Lesson 22 Science Vocabulary

Waves

1. Water is more dense than oil.

2. Oil floats on water because it is less dense than water.

3. Oil and water are both liquids.

4. Waves can contain powerful amounts of energy.

5. Liquids do NOT always mix easily and often form layers.

6. Moving water can cause erosion.

7. The energy for this activity came directly from your muscles.

8. When you pour liquid more dense than water into water, the water will float on the dense liquid.

9. A major source of energy for ocean waves is wind.

10. Ocean waves carry an enormous amount of energy.