32
Lesson 32 of 84 · Weather and Climate
ExperimentTsunamis: Giant Waves
What You'll Learn
The water cycle describes how water moves through Earth's systems. Water evaporates from oceans, condenses into clouds, falls as precipitation, and flows back to the ocean.
Key Words
- soil
- rock cycle
- weather
Materials Needed
- thermometer
- rain gauge
- cotton balls
Safety First
- Do not taste any materials.
- Wear safety goggles when mixing liquids.
Steps
Step 1 — Read
Look at the vocabulary words and write a definition for each in your own words.
Step 2 — Do
Investigate soil layers: fill a jar with soil and water, shake it, and let it settle overnight. Identify the layers of clay, silt, sand, and organic matter.
Step 3 — Observe
Look for patterns in your observations.
Step 4 — Record
Make a graph or chart showing your results.
Check Your Understanding
Question 1
1 of 3What powers the water cycle?