74

Lesson 74 of 84 ยท Fossils

Experimentโญ 30 XP

Erosion: Moving Earth's Surface (Part 3)

๐ŸงชLab Brief #74

Erosion: Moving Earth's Surface (Part 3).

๐ŸŽฏ Your mission

Set it up. Test it. Be amazed.

โšก The twist

Nature loves to surprise the careful watcher.

๐Ÿคฏ

Mind = Blown

๐Ÿ”ฌ The more you look, the more nature shows you.

๐Ÿ”ฎ

Make a hypothesis first

Before you start: write down what you think will happen, and why.

What You'll Learn

Wind forms when the sun heats Earth's surface unevenly, creating pressure differences. Air moves from high pressure to low pressure areas, and Earth's rotation curves the wind paths.

Key Words

  • evaporation
  • condensation
  • precipitation

Materials Needed

  • clay
  • water
  • plastic tray
  • magnifying glass
  • newspaper
  • spray bottle

Safety First

  • Do not look directly at the sun or bright lights.

Steps

Step 1 โ€” Read

Review the background information on Fossils before starting.

Step 2 โ€” Do

Build a working model of a volcano using baking soda and vinegar. Observe the eruption and explain what causes real volcanic eruptions.

Step 3 โ€” Observe

Look for patterns in your observations.

Step 4 โ€” Record

Make a graph or chart showing your results.

Check Your Understanding

Question 1

1 of 3

What is erosion?

๐ŸŒ

Where you see this in real life

This shows up in your everyday life more than you'd think.

๐Ÿ†

Stretch Challenge

Try this in real life this week.

Try one experiment in real life this week โ€” even a tiny one.

๐Ÿ‘จโ€๐Ÿ‘ฉโ€๐Ÿ‘ง

For the dinner table

โ€œWhat's the most surprising thing you learned today?โ€

๐ŸŽฏ

Next Smart Experiment

We'll pick an experiment that matches exactly how you're thinking right now.

๐Ÿ”ญShare card

Share this experiment

Send it to a parent who's looking for a 10-minute kitchen science win.

๐Ÿ–จ๏ธ

Checkout complete lesson on Fossils for 3rd Grade

Get the full Fossils track as a printable PDF โ€” all lessons, worksheets, and answer keys.

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Erosion: Moving Earth's Surface (Part 3) โ€” Fossils | 3rd Grade Science | LittleActivity | LittleActivity