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Science
G5 Realize Glossary
| Term | Definition |
|---|---|
| acceleration | a change in an object’s direction or speed |
| air pressure | the downward force of air that affects weather |
| apparent | how something looks |
| aquifer | large supplies of underground water |
| asteroid | chunks of rocks in space |
| atom | a particle that is the smallest and most basic part of an element |
| atomic theory | the idea that everything is made of small particles |
| balanced | when two equal forces acting on an object cancel out each other’s effect on the object |
| bladder | an organ that stores urine in the body |
| brain | an organ that can recognize senses and causes the rest of the body to react |
| characteristic | a trait that can help identify something |
| chemical change | the process where one or more kinds of matter changes into one or more different kinds of matter |
| chemical reaction | a change where one or more substances are turned into one or more different substances, usually caused by heat or mixing new substance |
| circulation (air) | air moving heat in a circular motion |
| circulation (water) | a swirling movement that moves ocean water around the globe |
| classify | to sort objects or living things into groups based on shared traits |
| climate | the average weather patterns of a place found by studying years of weather |
| comet | chunks of rock and ice that orbit the sun |
| compound | a matter made of two or more elements, such as water, oxygen, and salt |
| compute | to find or calculate |
| conclude | to make a statement with data and facts |
| condensation | the process where a gas cools and becomes a liquid |
| conductor | a material that energy can easily flow through |
| connect | to attach or put together |
| conservation of matter | the scientific law that matter cannot be made or destroyed, only transferred and changed |
| contact force | a push or pull that moves or changes an object when two objects touch |
| convection current | a circular motion created when air rises and sinks because of heating and cooling |
| cuticle | a waxy outer coating on leaves that helps a plant store water |
| cycle | a series of events that repeats itself |
| deduce | to form an idea based on evidence |
| determine | to control or cause something |
| diaphragm | a muscle below the lungs that helps lungs take air in and push it out |
| differentiate | to identify the differences between two or more objects |
| distribution | how something is spread out |
| electric charge | a force caused by the movement of negative and positive particles |
| electric current | a flow of particles caused by negative and positive charges |
| elevation | the height above sea level |
| energy | the ability to do work or cause a change |
| establish | to show an idea |
| evaporation | the process where a substance warms and changes from a liquid into a gas |
| evident | describes something easily observed that can be used to confirm or deny an idea |
| excretory system | the organs that remove waste from the human body. |
| exoskeleton | a hard covering on invertebrates used to maintain their shape and protect their organs |
| extend | to stretch |
| external | something that is on the outside of an organism or object |
| extinct | the death of all organisms in a species |
| force | a push or pull that can act on or change an object |
| formula | a math problem that shows a scientific fact |
| friction | an opposing force caused by two objects touching each other |
| function | the main action that something is made to do |
| galaxy | a massive group of stars, gas, and dust in space |
| gas | a form of matter that does not have a definite shape or volume |
| gills | the organ in fish and young amphibians that takes in oxygen from water |
| glacier | snow and ice gathered in one area over many years |
| gravity | a force that pulls masses toward large objects, such as the Earth and the sun |
| hail | precipitation formed when rain is repeatedly blown back up into the cloud and freezes in layers |
| heart | an organ that moves blood to and from different areas of the body |
| humidity | the amount of water vapor in the air |
| hypothesize | to form a scientific idea that is often tested in an experiment |
| illustrate | to explain with an example |
| impact | to directly affect something |
| inertia | an object’s ability to oppose a change in motion |
| inner planets | the four rocky planets closest to the sun: Mercury, Venus, Earth, Mars. |
| insulator | a material that stops the flow of electricity |
| internal | something that is on the inside of an organism or object |
| interpret | to explain an idea |
| kidneys | two organs that filter waste |
| kinetic energy | the energy of motion |
| large intestine | the organ that takes in water from food and helps get rid of waste |
| latitude | parallel lines on a map or globe that shows how far away from the equator a place is |
| liquid | matter with a definite volume but no definite shape |
| liver | an organ that breaks down fats and helps with digestion |
| lungs | an organ that takes in and releases air |
| mass | the amount of matter an object has |
| milky way | the galaxy that our solar system is in |
| mixture | a substance where different materials are put together but each keeps its own properties |
| molecule | the smallest particle of a compound that is made out of atoms |
| moon | a large, round piece of rock that revolves around a planet |
| muscle | a tissue that helps make a body move |
| natural disaster | a destructive change that is not caused by people |
| non-contact force | a force that does not need to touch an object to affect it, such as gravity |
| orbit | the circular movement of an object, such as a planet or moon, around an object that can hold it in place with gravity, such as a sun or large planet |
| organ | parts of a body that make a body live and move |
| organ system | a group of organs that work together to take care of a specific need of the body |
| organize | to arrange something to make it easier to understand |
| outer planet | the four large planets farthest from the sun that are made of ice and gases: Jupiter, Saturn, Uranus, Neptune. |
| ovary | the part of the flower that holds the eggs needed for a flower to make seeds |
| pancreas | the organ that manages sugar in the body |
| parallel circuit | a path for an electric current that has multiple loops |
| pattern | an observable event that happens in the same way again and again |
| physical change | a change in traits—such as color, size, and shape— that does not change what the substance is made of |
| pistil | the part of a flower that receives pollen to make a seed |
| potential energy | stored energy |
| precipitation | water in the atmosphere that falls to earth as rain, sleet, snow, or hail |
| primary | the original or most important part |
| reservoir | a place to store water made by humans |
| respond | to react to a change or action |
| salinity | the amount of salt in water |
| sensory organ | an organ that collects information about the body’s surroundings, such as eyes, ears, nose, skin, and tongue |
| sepal | green, leaf-like structures that protect a flower before it blooms |
| series circuit | a path for electric energy made out of a single loop |
| severe weather | dangerous weather, such as tornadoes and hurricanes |
| skeletal system | the bones in the human body that interact to move, protect the body, and give it shape |
| skeleton | an inner support in vertebrates made of bones |
| skin | the organ that surrounds and protects the body |
| sleet | raindrops that freeze before they land |
| small intestine | the organ where most of digestion occurs |
| solar system | the planets, asteroids, and comets that orbit the sun, as well as the planets’ moons |
| solid | matter with a definite shape and volume that is made of vibrating particles |
| solution | a mixture where the substances are evenly spread out |
| sound energy | energy that can be heard |
| stamen | the part of the flower that makes pollen |
| star | a giant ball of hot, glowing gases |
| stimulus | an action or change that causes a certain reaction in an animal |
| stomach | the organ that breaks down food for the body to use |
| strategy | a plan |
| structure | an arrangement of particles for a specific purpose |
| supports | to back up a theory with evidence or data |
| temperature | the measure of how hot or cold something is |
| tides | a pattern of rising and falling movement in the ocean caused by gravity |
| tissue | cells that make up an organ |
| trace | a small amount |
| vascular system | tube-like parts of a plant that transport water and sugar around the plant |
| volume | the amount of space an object takes up |
| water cycle | the pattern of water moving on earth from the ocean, to the sky, to rain, to a river, and back to the ocean |
| weather | the condition in a place's atmosphere, such as sunny, rainy, or snowy. |
Created by:
Mr OBerc
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