Water Filtration

2. A special type of mixture where one substance dissolves completely into another (like salt in water).
4. Protecting and taking care of natural resources.
7. To soak up a liquid (like a sponge or plant roots).
8. Small particles like sand, dirt, or rocks that settle in water.
9. Underground layers of rock and soil that store water.
12. A process that removes particles from a liquid by passing it through materials.
13. A place where a plant or animal lives and gets what it needs to survive.
14. Two or more materials combined, but not chemically changed (you can often separate them).
16. A condition where a system (body or environment) is not working properly.
18. A community of living and nonliving things that interact with each other.
19. Water found beneath Earth’s surface in soil and rock.

1. Harmful substances added to the environment that make it unsafe or dirty.
3. Using resources in a way that does not harm the future.
5. When water soaks into the ground.
6. A tiny piece of matter (like dirt or sand).
8. A safe place that protects living things from weather, danger, or harm.
10. An area of land where all the water drains into the same place (river, lake, etc.).
11. Designing solutions to problems by copying ideas from nature.
15. a material tiny holes or spaces that allow liquids (like water) or gases to pass through it
17. To design and build something to solve a problem.