56

Lesson 56 of 84 ยท Fossils

Experiment

Glaciers: Rivers of Ice (Part 2)

What You'll Learn

River systems shape the land over time. Young rivers have steep, V-shaped valleys. Mature rivers meander across floodplains. Old rivers have wide, flat valleys and deltas.

Key Words

  • mineral
  • climate
  • atmosphere

Materials Needed

  • food coloring
  • clear container
  • rocks
  • sand
  • clay
  • water

Safety First

  • Do not mix unknown chemicals together.

Steps

Step 1 โ€” Read

Read about Fossils and write down three key facts.

Step 2 โ€” Do

Set up a weather station: use a thermometer, rain gauge (a jar with a ruler), and wind sock (a plastic bag on a stick). Record data for one week.

Step 3 โ€” Observe

Note any unexpected results and think about why they happened.

Step 4 โ€” Record

Share your findings with the class or a partner and discuss what you learned.

Check Your Understanding

Question 1

1 of 3

What is a volcano?