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Lesson 83 of 84 · Weather
ExperimentCollecting Rocks (Part 3)
What You'll Learn
Rocks are always changing! Wind, water, and ice break them down very slowly.
Key Words
- mountain
- river
Materials Needed
- plastic tray
- magnifying glass
- newspaper
- spray bottle
- cups
- thermometer
Safety First
- Dispose of materials properly after the experiment.
- Handle glass items carefully to avoid breakage.
- Do not mix unknown chemicals together.
Steps
Step 1 — Read
Read and learn: Rocks are always changing! Wind, water, and ice break them down very slowly.
Step 2 — Do
Sort, group, or arrange the items as shown.
Step 3 — Observe
Look for something that changed. What is it?
Step 4 — Record
Circle the correct answer on your worksheet.
Check Your Understanding
Question 1
1 of 3What does a thermometer measure?