Polluted water contains harmful substances that make it unsafe for drinking and for the environment. Cleaning polluted water is important to protect living things. One way to clean water is by building a simple filter that removes dirt and other particles. This activity demonstrates how different materials can be used to filter water and make it cleaner. It's a fun way to learn about water conservation and environmental science!
Match the words with their meanings:
| Word | Definition |
|---|---|
| 1. Filter | a. Material that traps particles |
| 2. Polluted | b. To pass liquid through a device to remove unwanted substances |
| 3. Sediment | c. Containing harmful substances |
| 4. Contaminant | d. Solid particles that settle at the bottom of a liquid |
| 5. Filtration | e. A substance that makes something impure |
Use the words below to complete the sentences.
(sand, clean, gravel, water, filter)
If you had to design a water filter for a community that only had access to dirty river water, what materials would you use and why? Explain your reasoning.
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