Lesson 51 of 84 ยท Earth's History
Experimentโญ 30 XP๐ Rock RealmOcean Currents and Climate (Part 2)
Earth's History.
๐ฏ Your mission
Set it up. Test it. Be amazed.
โก The twist
Weather isn't random โ it's just complicated.
Mind = Blown
๐ There are 1,500 active volcanoes on Earth right now.
Make a hypothesis first
Before you observe: what shape will it leave?
What You'll Learn
Ocean currents distribute heat around the planet, affecting climate worldwide. Warm currents flow from the equator toward the poles, and cold currents flow from the poles toward the equator.
Key Words
- metamorphic
- sedimentary
Materials Needed
- rain gauge
- cotton balls
- food coloring
- clear container
- rocks
Safety First
- Adult supervision recommended.
- Do not taste any materials.
Steps
Read about Earth's History and write down three key facts.
Investigate soil layers: fill a jar with soil and water, shake it, and let it settle overnight. Identify the layers of clay, silt, sand, and organic matter.
Watch carefully for any changes and note the time.
Create a data table to organize your measurements.
Check Your Understanding
Question 1
1 of 3What causes wind?
Where you see this in real life
This is shaping the ground you walk on, slowly, every single day.
Stretch Challenge
Try this in real life this week.
Find a rock outside and try to guess how old it is.
For the dinner table
โWhat's the slowest change you can think of?โ
Next Smart Experiment
We'll pick an experiment that matches exactly how you're thinking right now.
Share this experiment
Send it to a parent who's looking for a 10-minute kitchen science win.
Checkout complete lesson on Earth's History for 4th Grade
Get the full Earth's History track as a printable PDF โ all lessons, worksheets, and answer keys.
