Third Grade Science Vocabulary Review

Food Chain The way that energy is passed from one organism to another

Predator An animal that hunts another animal

Prey An animal that is hunted by another animal

Producer A GREEN PLANT that makes its own food

Consumer Eats other things ANIMALS

Herbivore Eats only plants

Carnivore Eats only meat

Omnivore Eats BOTH meat and plants

Decomposer Breaks down dead things Bacteria or Fungi

Migration Flying South for the winter

Hibernation Animals going into a deep sleep for the winter

Mimicry Copying another animals’ looks

Camouflage An animal blending into its surroundings

Ecosystem All of the living and nonliving things in an environment

Community All of the living things in an environment

Population 1 certain type of organism

Evaporation When water is heated and changes in water vapor. Liquid  gas

Condensation When water vapor cools and turns into liquid CLOUDS ARE FORMED

Precipitation When clouds get heavy and liquid water falls to Earth Rain, snow, sleet, hail

Solid Has a definite shape and mass

Liquid Has a definite mass and does NOT have a definite shape

Gas Has NO definite mass or shape.

Natural Resource Things that grow on the Earth

Renewable Resource Can be replaced or reused Plants and animals Sun, wind, water

Nonrenewable Resource Can not be replaced easily Oil, coal, natural gas, metals, minerals

5 Components of Soil Humus Rock Fragments Sand Clay Silt

Layers of the Soil Topsoil Subsoil Bedrock

Magnets They are attracted to iron, steel, or cobalt. There is a north and south pole. Like poles repel, or push apart. Opposites attract, or pull together.