science vocabulary
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| adaptation | a feature that helps a living thing survive in its environment
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| air mass | a large body of air with the same temperature and humidity throughout
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| air pressure | the weight of the atmosphere pressing in all directions at a certain place
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| altitude | an object’s height above Earth’s surface
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| analyze | to study something carefully in order to understand what it means
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| anemometer | a tool used to measure wind speed
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| Aristotle | a Greek philosopher who made many discoveries in life science, astronomy, and physics
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| atmosphere | the blanket of air that surrounds Earth
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| attract |
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| axis | an imaginary line that runs through Earth’s center from the North Pole to the South Pole
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| bar graph | a graph that shows numbers as bars of different lengths
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| barometer | a tool used to measure air pressure
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| behavior | a way in which a living thing acts or responds to its surroundings
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| biofuel | a fuel made from living things
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| boiling | the bubbling that takes place in a liquid when enough heat is added to change the liquid quickly into a gas
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| boiling point | the temperature at which a liquid boils
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| camouflage | a pattern or coloring that helps a living thing blend in with its surroundings
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| canyon | a deep, narrow valley with steep sides
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| carbon dioxide-oxygen cycle | the movement of carbon dioxide and oxygen gas through the environment of Earth
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| carnivore |
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| characteristic | a body feature that helps an organism survive in its environment
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| characteristic properties | properties of matter that do not change
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| circle graph | a graph that shows the parts of a whole as the parts of a circle
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| climate | the average weather of an area over a long period of time
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| closed circuit | a complete path for the flow of electricity
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| communicate | to share ideas and information
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| community | all the populations of organisms living in an ecosystem
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| competition | the struggle between two organisms to obtain the same resource in an ecosystem
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| compression | a region in which particles in air are bunched together
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| complete metamorphosis | the total change of form that some insects go through as they become adults
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| conclusion | a statement about what data seem to mean and observations
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| condensation | the change from a gas to a liquid
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| conduct | to transfer heat or electricity
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| conductor | a material that lets electricity or heat pass through it easily
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| conserve | to use something wisely, to avoid using it up
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| conservation | the careful use and protection of natural resources
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| consumer | 1) an organism that gets energy by eating other organisms 2) a person who buys merchandise
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| control | a feature that does not change in an experiment
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| continent | an enormous, slowly moving landmass that floats on Earth’s surface
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| crater | a large, hollow pit in the surface of the moon (or a planet)
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| data | pieces of information gathered during an investigation or experiment
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| decomposer | an organism that gets energy by breaking down dead organisms
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| delta | an area of sediment that builds up to form a flat piece of land where a river flows into an ocean or lake
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| density | the amount of matter in a certain amount of space
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| deposition | the process by which eroded rock is dropped in a new place
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| direction | the path that a moving object follows
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| dissolve | to mix evenly in a liquid. When a substance dissolves, it breaks into tiny pieces that seem to disappear.
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| drought | a long period of time of dryness that may occur when precipitation is less than normal
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| dune | a hill of sand deposited by wind
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| earthquake | the shaking that happens when rock in Earth’s crust breaks and slips
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| ecosystem | all the living and nonliving things in an area
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| electric current | a flow of electric charges through a circuit
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| electrical circuit | the path that an electrical current takes
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| electrical energy | the energy of moving electric charges
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| electromagnet | a magnet made by sending current through a wire wrapped around a metal object, such as a nail
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| empirical evidence | data or conclusions collected through personal observation or experience that can prove that a hypothesis is correct or incorrect
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| energy | the ability to make things move or change
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| environment | a living thing’s surroundings
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| erosion | the process by which weathered rock is picked up and moved
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| evaporation | the change from a liquid to a gas at the surface of the liquid
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| evolution | (the theory of) the series of gradual changes in a species over time
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| experiment | a controlled test to answer a scientific question
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| extinct | no longer found living on Earth
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| extinction | occurs when all the members of a species die off
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| flexible | easy to bend
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| flood | an overflow of water onto land that is normally dry
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| food chain | a model that shows the path of energy as it flows from one living thing to the next
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| food web | a diagram showing several food chains linked together
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| force | a push or pull
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| fossil | the remains or trace of an organism that lived in the past
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| fossil fuel | an energy resource that formed from the remains of plants or animals that died millions or years ago
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| freezing | the change from a liquid to a solid
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| freezing point | the temperature at which liquid freezes
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| friction | a force that acts between two objects that touch each other or rub together
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| front | a place where two different air masses meet
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| full moon | the phase of the moon that we see when the whole lit side of the moon faces toward Earth
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| gas | matter that does not have a fixed volume or shape
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| geologist | a scientist who studies Earth and its history
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| geothermal energy |
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| global warming | the thought increase in the average temperature of Earth
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| graduated cylinder | a tool used to measure the volume of a liquid
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| gravity | a force that pulls all objects toward each other
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| habitat | the place where a living thing is found naturally
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| hazard | anything that can be dangerous
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| heat | thermal energy moving from one object or substance to another
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| herbivore | an animal that eats only plants
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| hibernate | to go into a sleep-like state during winter
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| horizon | the line where the sky and Earth’s surface seem to meet
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| humus | a dark material in soil, formed from the remains of living things
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| hydroelectric energy | the energy of moving water used to make electricity
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| hypothesis | a possible answer to a scientific question
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| incomplete metamorphosis | the partial change of form that some insects go through as they become adults
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| inference | an explanation of something observed, based on knowledge
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| inherited trait | a characteristic that a living thing gets from its parents
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| insulator | a material that blocks the flow of electricity or heat
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| investigation | a careful study of something to answer a question about it
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| inexhaustible resource | a resource like sunlight that cannot be used up
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| landform | a feature of Earth’s surface
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| landslide | The sudden movement of rocks and soil down the side of a hill
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| larva | the early, immature stage in the life cycle of some animals
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| lava | Melted rock on Earth’s surface
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| learned behavior | A skill that an animal develops after it is born
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| length | A measure of how long something is, or the distance between two points
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| lens | an object used to refract light
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| life cycle | All the stages of a living thing from the beginning of life to death
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| light energy | Energy that we can see
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| line graph | a graph that uses a line to represent change
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| liquid | Matter that has a fixed volume but not a fixed shape
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| load | Any device that uses electricity
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| logical reasoning | a way of thinking that reviews information to draw conclusions
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| magnet | A metal object that can pull certain other metal objects toward itself
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| magnetic field | The area around a magnet where it can pull or push
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| magnetism | The attraction of magnets to objects that contain certain metals, such as iron
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| map | a type of illustration used to display locations
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| mass | The amount of matter that makes up an object
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| matter | Anything that has mass and takes up space
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| mechanical energy | The energy of moving objects
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| medium | A material through which light travels
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| melting | The change from a solid to a liquid
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| metamorphosis | The change in form that some animals go through as they become adults
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| meteorologist | A scientist who studies weather
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| microscope | a tool used to observe very small objects
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| migrate | To move from one place to another in a pattern
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| mirror | An object with a very smooth surface that forms images by reflecting light
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| mineral | nonliving natural materials with a regular structure, including metals, metal ores, and some kinds of rocks
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| mixture | Matter made up of two or more substances, each of which keeps its own properties
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| model | Something that represents a real object, event, or process
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| moon | A natural object that moves in an orbit around a planet
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| motion | A change in position over time
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| natural resource | Anything found in nature that is useful to people
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| new moon | The phase of the moon that we see when the whole lit side of the moon faces away from Earth
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| Newton | (Isaac Newton 1642 - 1727) was an English physicist and mathematician who made great contributions on laws of motion and gravity.
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| niche | the role an organism has in its ecosystem
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| nonrenewable resource | A natural resource that cannot be replaced easily
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| observation | information gathered with the senses
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| omnivore | an animal that eats both plants and animals
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| open circuit | an incomplete path for the flow of electricity
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| orbit | the curved path that a planet or other space body follows as it moves around another body in space
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| organism | a complete, individual living thing
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| paleontologist | a scientist who studies fossils
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| pan balance | a tool used to measure mass
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| pattern | a trend, or a change that repeats itself
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| phases | the different shapes of the lit half of the moon as seen from Earth during the lunar cycle
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| photosynthesis | the process by which plants, algae, and some bacteria use energy from sunlight to make their own food (change carbon dioxide and water into sugar and oxygen)
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| physical property | a feature of an object or substance that can be observed directly or measured with a tool
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| planet | a large round body in space that moves around a star
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| Plato | a Greek philosopher who believed that everything was made of four elements: earth, water, air, and fire
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| pole | a region of a magnet where the magnetic force is strongest
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| pollution | the release of harmful substances into the air, water, or soil
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| population | a group of organisms of the same kind that live in an ecosystem
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| position | the place where an object is located
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| precaution | something that is done to prevent an accident
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| precipitation | water that falls from the atmosphere as rain, snow, hail, or sleet
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| predator | an animal that hunts other animals for food
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| prediction | a statement about what is likely to happen in the future
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| prey | an animal that is hunted by other animals
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| prism | a clear, or see-through, object that separates white light into all the colors of the rainbow
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| producer | an organism that makes its own food by photosynthesis
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| pupa | a stage in metamorphosis when the organism is changing from larva to adult
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| quarter moon | the phase of the moon in which we see half of the lit side of the moon
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| rain gauge | a tool used to measure the amount of rain that falls
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| recycling | processing used materials to make new products, or to reuse materials
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| refraction | the bending of light that occurs when light passes from one material into another
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| renewable resource | a natural resource that can be replaced as it is used
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| repel | to push away
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| resistance | a physical property that opposes the flow of electric current
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| resource | any material that an organism needs for survival and obtains from its habitat
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| reproduce | to make new living things of the same kind
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| revolve | to move in a path around another space body, such as the sun
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| revolution | the movement of one object around another
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| rotate | to spin on an axis
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| rotation | the turning or spinning of an object around a central line, or axis
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| runoff | water that flows over the surface of the ground
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| scale model | shows an object at an exact fraction of its actual size
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| scavenger | an animal that feeds on the dead bodies of other animals
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| scientific method | a collection of steps used to explore questions and investigate the natural world
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| scientific process | see scientific method repeat
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| sediment | material that is eroded and deposited
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| sedimentary rock | rock that forms from layers of sediment that are compacted and cemented together
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| shadow | a dark area that forms when an object blocks light
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| soil | the thin layer of material on Earth’s surface in which plants can grow
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| solar energy | energy from the sun
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| solar system | the sun and all the planets and other objects that move around it
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| solid | matter that has a fixed volume and a fixed shape
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| solution | a mixture in which one substance dissolves in another
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| sound energy | energy that we can hear
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| sound wave | an alternating area of high and low air pressure that transmits energy through a medium, such as a solid, liquid, or gas
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| speed | a measure of how far an object moves in a certain amount of time
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| species | a group of one type of organism that can mate and produce fertile offspring
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| spring scale | a tool for measuring weight
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| star | a huge ball of hot gases that gives off its own light
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| state of matter | the form that matter has, such as solid, liquid, or gas
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| static electricity | a buildup of charge within an object that occurs when there are unequal positive and negative electric charges within a material
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| sunrise | the time of day when the sun appears to come up over the horizon
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| sunset | the time of day when the sun appears to fall below the horizon
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| support | to provide evidence in favor of something or helps one prove their inference.
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| survive | to stay alive
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| system | a group of parts that work together
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| symmetry | the sameness of form in the halves of an object
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| table | an arrangement used to display a large amount of information
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| temperature | a measure of how warm something – how much heat it contains
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| testable | able to be observed and measured
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| theory | an explanation of why something happens in nature
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| thermal energy | the energy of the moving particles that make up all matter
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| thermometer | a tool used to measure temperature
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| tide | a rise or fall of ocean water
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| time | a period that can be measured using a stopwatch, clock, and sometimes calendar
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| trait | a quality or characteristic of a living thing
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| trial | a single completed investigation
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| triple beam balance | a tool used to measure mass
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| validity | truthfulness
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| variable | anything that can change, or the characteristic that is tested in an experiment
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| variation | differences in members of a species due to inherited traits
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| vibration | the back-and-forth movement of an object
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| volume | the measurable amount of space any substance fills
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| volcanic eruption | the sudden escape of melted rock and gases at a volcano
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| volcano | an opening in Earth’s surface through which hot, melted rock and gases escape
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| waning | getting smaller, as in the lit part of the moon we see from Earth
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| water cycle | the movement of water between Earth’s surface and atmosphere
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| waxing | getting bigger, as in the lit part of the moon we see from Earth
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| weather | the condition of the atmosphere at a certain time and place
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| weathering | a process of the breaking down of rock into smaller pieces
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| weight | a measure of the pull of gravity on an object
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| wind energy | the energy of moving air
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| wind vane | a tool used to show wind direction
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
Shebro