| Question | Answer |
| an organism that gets energy by feeding on other organisms, or a person who buys goods or services | consumer |
| a community of living organisms and their environment | ecosystem |
| the surroundings that influence living things | environment |
| information that is known to be true | fact |
| water that soaks into the soil and is found in underground aquifers | groundwater |
| an underground layer of soil or stone that contains water | aquifer |
| a word that describes something found in still water | lentic |
| a word that describes something found in moving water | lotic |
| a representation of something that helps us understand it better | model |
| substances that cannot be replaced once they have been used | nonrenewable resources |
| an organism that competes with humans for resources | pest |
| energy or materials found in nature that will be replenished over time | renewable resources |
| a tool that compares one thing to another by using measurement | scale |
| studying the natural world by using inquiry and experimentation | science |
| a group of objects that work together | system |
| any device used to help humans do work | tool |
| the land from which water runs off and drains into larger bodies of water (also called a drainage basin) | watershed |
| land where water has a greater effect than any other factor on the land's soil, plants, and animals | wetlands |
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500 Words
