14
Lesson 14 of 84 · Weather
ExperimentSand, Clay, and Soil
What You'll Learn
Sand at the beach was once big rocks that broke down over millions of years.
Key Words
- rock
- soil
Materials Needed
- rain gauge
- cotton balls
- food coloring
- clear container
- rocks
- sand
Safety First
- Do not taste any materials.
- Wear safety goggles when mixing liquids.
- Wash hands after handling materials.
Steps
Step 1 — Read
Look at the picture and read the labels.
Step 2 — Do
Pour water on a pile of sand and a pile of rocks. Watch how the water flows differently.
Step 3 — Observe
Draw a picture of what you observe.
Step 4 — Record
Share your results with a partner.
Check Your Understanding
Question 1
1 of 3What is a volcano?