Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
5th Science
| Term | Definition |
|---|---|
| Ecosystem | A system formed by the interaction of a community of organisms with their physical environment |
| Biome | A group of ecosystems with similar climates and organisms |
| producer | An organism that makes its own food through photosynthesis. |
| consumer | An organism that eats producers or other organisms for energy. |
| decomposer | An organism that gets energy by breaking down the remains of dead organisms or animal wastes and consuming or absorbing the nutrients. |
| herbivore | A consumer that eats only plants. |
| carnivore | A consumer that eats other consumers. |
| omnivore | A consumer that eats both producers and consumers. |
| population | A group of organisms of the same species who live in the same area at the same time. |
| community | All the different populations that live together in an area |
| biotic | Describes living factors in the environment |
| abiotic | A term that describes a nonliving factor in an ecosystem. |
| habitat | Place where an organism lives |
| niche | Organism's role, or job, in its habitat |
| organism | A living thing; anything that can carry out life processes independently. |
| interact | how organisms live together within an ecosystem, |
| extinct | A species dies out forever. |
| photosynthesis | A process plants use to turn sunlight into food |
| food chain | A series of events in which one organism eats another and obtains energy. |
| food web | A complex system of energy flow through overlapping food chains |
| predator | An animal that hunts other animals for food |
| prey | Animal hunted or caught for food |
| primary consumer | An organism that eats producers |
| secondary consumer | Consumer that eats primary consumers |
| tertiary consumer | A carnivore that eats other carnivores. |
| scavenger | A carnivore that feeds on the bodies of dead organisms |
| vertebrate | An organism with a backbone, ex: dog |
| invertebrate | An organism without a backbone, ex: worm |
| tropical rainforest | A biome near the equator characterized by large amounts of rain and sunshine |
| deciduous forest | A biome with four seasons, plants shed leaves in the fall and grow new ones in the spring. |
| temperate forest | Distinct seasons and moderate climate |
| coniferous forest | Cone bearing evergreen. Taiga. Largest terrestrial biome. Long, snowy winters and short wet summers. |
| tundra | A vast, level, treeless plain in the arctic regions. The ground beneath the surface of the tundras is frozen even in summer. |
| taiga | A biome that contains many coniferous trees and in which rainfall is moderate. |
| desert | An extremely dry area with little water and few plants |
| grasslands | A biome with tall grass, humid and very wet or short grass with a dry and hot summer and cold winters. Does not have many trees. |
| aquatic ecosystem | ecosystems found in fresh or salt water. |
| estuary | A habitat in which the fresh water of a river meets the salt water of the ocean. Baby fish can hide from predators in the grasses around an estuary. |
| salt marsh | It has tall, strong grasses and a rich, muddy bottom. |
| oceans | Are large bodies of salt water. Covers 3/4 of the earths surface. |
| ponds | Bodies of fresh water (shallow, allows sunlight to go all the way through the water and makes plants grow) |
| lakes | Body of water where plant life is limited to shore lines, because sunlight can reach the bottom. |
| adaptive characteristics | Changes that organisms learn to help them survive. ex: cactus can hold water in periods of little rain. |
| competition | In an ecosystem, occurs when more than one individual or population tries to make use of the same limited resources. |
| unicellular | A type of organism that is made up of a single cell |
| multicellular | A type of organism that is made up of many cells working together |
| cell | the smallest independently functioning unit in an organism |
| transport | An exchange of molecules across the boundary between adjacent layers of a fluid or across cell membranes. |
| digestive system | breaks down food so your body's cells can use it to make energy |
| digestive system organs | mouth, esophagus, stomach, intestines |
| nervous system | controls all of your bodies activities |
| nervous system organs | brain, spinal cord and nerves |
| brain | control center of the nervous system |
| skeletal system | made up of bones that support the rest of the body |
| bones | very hard tissue that forms our skeleton, protects vital organs, 206 in the human body |
| liagments | tissue that connects bones to bones |
| tissue | any of the distinct types of material that plants and animals are made of |
| tendons | bands of connective tissue that attaches muscle to bone |
| muscular system | system consisting of over 600 muscles that works with bones to allow the body to move |
| muscles | body tissues that let the body move by contracting and relaxing |
| cardiovascular system | of or relating to the heart and blood vessels |
| circulatory system: uses the heart to pump blood to all the cells in your body | |
| cardiovascular system | heart, blood, vessels |
| arteries | blood vessels that move oxygen rich blood away from the heart toward the body's cells |
| veins | blood vessels that carry blood from the body's cells toward the heart |
| blood circulation | movement of blood throughout the body |
| respiratory system | in charge of your breathing |
| respiratory system | nose, trachea, lungs |
| gravity | a force of attraction that exists between all objects with mass |
| mass | the amount of matter in an object |
| friction | the force that acts on an object and stops its motion |
| acceleration | the change in velocity of a moving object with time |
| motion | a change in an object's position |
| balanced force | forces that cancel each other out when acting together on a single object |
| unbalanced force | forces that do not cancel each other out when acting together on a single object |
| distance | the length between two points |
| force | a push or pull exerted by one object on another |
| net force | the combined effect of all the forces acting on an object |
| position | the location of an object compared with things around it |
| speed | how fast an object's postion changes |
| speed formula | speed = distance/time |
| velocity | the speed and direction of a moving object |
| weight | the force of gravity between Earth and any other object |
| inertia | the tendency of an object at rest to remain at rest and for an object in motion to remain in motion |
| thrust | a force that produces motion |
| slope | the distance covered while coming down from a height |
| lift | an upward force acting on an object |
| air resistance | friction caused by gas molecules in the air hitting an object and slowing it down |
| inherited traits | traits that are passed from parents to their offspring |
| heredity | the passing of traits from parents to offspring |
| instincts | traits that guide behavior and are passed form parents to offspring; ex. baby crying when it is hungry |
| learned behavior | a behavior that has been learned from experience or observation; may be learned from parent |
| physical characteristics | traits; aspects of physical appearance, such as body size, skin color, hair color and style, facial hair, and facial features |
| traits | individual features or details |
| recessive | the gene carrying the weaker trait |
| dominant | the gene carrying the stronger trait |
| gene | units of heredity, which transfer traits from one generation to the next |
| genetics | the field of science that studies how traits are passed on |
| offspring | young; children |
| Water cycle | the movement of water on Earth that moves between the air, the land, and the oceans; the process of evaporation, condensation and precipitation. |
| Evaporation | the process of liquid water changing into water vapor when heated. |
| Condensation | the process by which water vapor changes back into a liquid when cooled. |
| Water Vapor | water in the form of a gas |
| Matter | anything that has mass and volume; a solid, liquid or a gas. |
| Mass | amount of matter contained in an object, measured in grams and ounces; never changes |
| Volume | the amount of space an object takes up |
| Weight | the force of gravity on an object; can change depending on the pull of gravity on the object |
| Density | the measure of how heavy or light something is for it's size. |
| Solid | matter with definite volume and shape, molecules packed tightly together. |
| Liquid | matter with definite volume but no exact shape, molecules are loosely packed. |
| Gas | matter with no definite volume or shape, molecules are very loosely packed. |
| Physical Change | changes in size shape or physical state of matter. |
| Chemical Change | involves changes in the actual chemistry of the item, can not go back to it's original form. |
| Freezing Point | the temperature at which a liquid is cooled to a solid |
| Boiling Point | the temperature at which a liquid can turn to a gas |
| Closed Container | a container that is sealed and does not anything in or out |
| Open Container | a container that allows things in or out |
| Conduction | the transfer of heat between substances that are in direct contact with each other. The better the conductor, the more rapidly the heat will transfer. |
| Conductor | transfers heat, if a material conducts heat well it also conducts electricity well |
| Insulator | reduces the flow of heat, examples- styrofoam, glass, wood, plastic, rubber, and air |
| Convection | heat transfer through air or water. |
| Radiation | heat energy that is radiated or transmitted in the form of rays or waves or particles |
| Temperature | the measure of the average kinetic energy of the particles of matter |
| atmosphere | air around us made up of gases |
| barometer | device that measures the atmospheric pressure |
| convection cell | when warmer air rises and circles back down on the cooler surface |
| Coriolis Effect | the apparent deflection of objects (such as airplanes, wind, and ocean currents) moving in a straight path relative to the earth's surface. |
| Prevailing westerlies | Global winds that effect the United States- blow from west to east. |
| cirrus | wispy, high level clouds, associated with fair weather and approaching rain |
| cumulus | fluffy, white clouds that look like piles of cotton balls with flat bottoms. Usually fair weather but can produce light precipitation |
| stratus | flat, horizontal clouds that form in layers. (fog) Associated with long periods of precipitation. |
| air mass | large areas of air with the same temperature and moisture levels throughout |
| weather | the state of the atmosphere at a certain time and place |
| climate | the average weather conditions over a very long period of time |
| cold front | forms when a cold air mass moves under a warm air mass. Heavy rains, thunderstorms, snow. |
| warm front | forms when a warm air mass moves up and over a cold air mass. Rainy, drizzly weather conditions followed by warm, clear weather. |
| stationary front | occurs when a warm air mass and a cold air mass meet, but neither front has enough energy to push against the other. Many days of overcast, rainy weather |
| occluded front | forms when a warm air mass is caught between two cold air masses. Cool temperatures and plenty of rain and snow |
| air pressure | the weight of the air in an area |
| temperature | the amount of heat in the air |
| humidity | the amount of water vapor in the air |
| low pressure | normally produce clouds, precipitation, and other bad weather such as tropical storms and cyclones |
| high pressure | an area where the atmospheric pressure is greater than that of the surrounding area, usually associated with clear skies and calm weather. |
| wind vane | measures the direction the wind is blowing |
| anemometer | measures wind speed |
| rain gauge | measures the amount of rain that falls |
| precipitation | any form of water that falls from the sky |
| evaporation | the process of liquid water changing into water vapor |
| condensation | the change of a substance from the gaseous to the liquid state, such as when water vapor forms small drops of water |
| Transpiration | the process of evaporation of water vapor through the pores on leaves of plants. |
| Surface Run-off | water that stays on top of the land and flows back to a water source. |
| Sub-surface Run-off | water that filters through the ground and eventually flows back to a water source underground. |
| jet stream | an air current that flows from west to east. When the jet stream dips south, it brings cold artic air down into the United States. When the jet stream bends north, it carries warm air from the south. |
| Gulf Stream | A warm ocean current of the Atlantic Ocean that carries warm waters out across the Atlantic Ocean toward the north, keeps the weather along the coast mild. |
| La Nina | the unusual cooling of surface waters in the Pacific Ocean |
| El Nino | the unusual warming of surface waters in the Pacific Ocean |
| cumulus | Fluffy, white clouds, usually with flat bottoms, that look like rounded piles of cotton. |
| cumulonimbus | A type of cumulus cloud that is tall and gray, and associated with thunderstorms. |
| cirrus | a wispy white cloud (usually of fine ice crystals) at a high altitude (4 to 8 miles) |
| stratus | Clouds that form in flat layers and often cover much of the sky. |
| fog | A stratus cloud located on the ground |
Created by:
MrLalanne
Popular Physical Science sets