12
Lesson 12 of 84 · Plate Tectonics
ExperimentVolcanoes: Mountains of Fire
What You'll Learn
Volcanoes form where magma from the mantle reaches Earth's surface. Shield volcanoes have gentle slopes with flowing lava, while composite volcanoes are steep with explosive eruptions.
Key Words
- anemometer
- rock cycle
- aquifer
Materials Needed
- thermometer
- rain gauge
- cotton balls
- food coloring
Safety First
- Work in a well-ventilated area when using vinegar or other strong-smelling substances.
- Dispose of materials properly after the experiment.
- Handle glass items carefully to avoid breakage.
Steps
Step 1 — Read
Read and learn: Volcanoes form where magma from the mantle reaches Earth's surface. Shield volcanoes have gentle slopes with flowing lava, while composite volcanoes are steep with explosive eruptions.
Step 2 — Do
Conduct the experiment by following the instructions.
Step 3 — Observe
Draw a picture of what you observe.
Step 4 — Record
Answer the questions based on your data.
Check Your Understanding
Question 1
1 of 3What is the difference between weather and climate?