| A | B |
|---|
| Adaptation | a structure or behavior that helps an organism survive in its surroundings |
| Carnivore | an animal that eats other animals |
| Community | populations of different kinds of organisms that live in the same place at the same time |
| Consumer | an organism that gets energy by eating other organisms |
| Decomposer | an organism that gets energy by feeding on dead things and waste products |
| Ecosystem | all the living and nonliving things that interact with each other in an environment |
| Energy Pyramid | a diagram that shows the amount of energy passed on at each level of a food chain |
| Environment | the surroundings that and organism lives in |
| Food Chain | the transfer of food energy from one organism to another in a ecosystem |
| Food Web | the overlapping of food chains |
| Habitat | the place where a plant or animal lives |
| Herbivore | an animal that eats plants |
| Life Cycle | the stages of growth and development that an organism goes through in its lifetime |
| Nucleus of a cell | the structure in a cell that controls everything the cell does |
| Organ | a group of different tissues that work together to perform a particular function in an organism |
| Organism | a living thing |
| Photosynthesis | plants use the sun’s energy |
| Population | all the organisms of the same species that live in the same place at the same time |
| Predator | an animal that hunts |
| Prey | an animal that is hunted |
| Producer | an organism that makes its own food—plants are a type of producer—they make their own food by photosynthesis |
| Protist | a small cell |
| System | a group of things that work together or interact together |
| Tissue | a group of cells that work together in an organism to do a job |
| Deposition | ”when materials that are eroded by wind |
| Earthquake | shaking of the ground caused by rock slabs moving against each other |
| Equator | an imaginary line that circles the Earth halfway between the North and South poles |
| Erosion | ”the movement of weathered materials by water |
| Fault | a crack in Earth’s crust |
| Fossil | a plant or animal that died long ago and has been preserved in rock |
| Fossil Fuel | an energy source that formed from decaying plants and animals that lived long ago |
| Igneous Rock | rock formed from cooled magma or lava |
| Metamorphic Rock | rock deep inside Earth’s crust that is heated and squeezed to make another kind of rock |
| Nonrenewable | resources that nature cannot replace quickly enough to meet people’s needs fossil fuels are Resource nonrenewable |
| Pollution | anything in the environment that can harm living things or damage natural resources |
| Renewable | a resource that nature makes again and again—trees are a renewable resource |
| Sedimentary | rock formed when sediments are pressed and cemented together |
| Volcano | ”a mountain built up from hardened lava |
| Water Cycle | the change of water from one state to another as it moves between Earth’s surface and the atmosphere |
| Weathering | the breaking down and wearing away of rock |
| Atmosphere | the air and other gases that surround Earth |
| Axis | an imaginary line or pole that passes through the Earth’s center from North to South pole |
| Constellation | a star pattern or shape in the sky |
| Galaxy | a group of dust |
| Planet | a large object that orbits a star |
| Solar System | a star and all the objects that move around it |
| Star | an object in space that makes its own heat and light |
| Revolution | one complete trip of a planet around its sun |
| Rotation | the spinning of a planet or moon on its axis |
| Atom | the smallest particle of something that still has all its properties |
| Change of State | ”a physical change that happens when matter changes to a liquid |
| Chemical Change | a change in matter that makes a new substance—like when you make GAK |
| Compound | something that is made up of different elements and cannot be separated by ordinary means |
| Condensation | the process of changing from a gas to a liquid |
| Density | ”the amount of mass in a known volume of an object - how tightly packed molecules are in matter – two things can have the same volume or take up the same amount of space but one thing will be heavier that the other” |
| Electron | a particle that is in orbit around the nucleus of an atom and has a negative charge |
| Element | a pure substance made of only one kind of atom |
| Evaporation | changing from a liquid to a gas |
