Lesson 38 of 84 · Forces
Experiment⭐ 30 XP⚡ Spark LabBuilding a Marble Run (Part 2)
Building a Marble Run (Part 2).
🎯 Your mission
Set it up. Test it. Be amazed.
⚡ The twist
Speed isn't the same as force. Don't mix them up.
Mind = Blown
🔥 A bolt of lightning is 5 times hotter than the surface of the sun.
Make a hypothesis first
Guess: where does the energy go?
What You'll Learn
A force is a push or a pull that can make things move, stop, or change direction.
Key Words
- attract
- repel
Materials Needed
- paper clips
- rubber bands
- blocks
- spring scale
- stopwatch
Safety First
- Do not taste any materials.
- Wear safety goggles when mixing liquids.
- Wash hands after handling materials.
Steps
Read the introduction. What is this lesson about?
Test a magnet on 10 objects around your house. Make a list of what sticks and what doesn't.
Look for something that changed. What is it?
Circle the correct answer on your worksheet.
Check Your Understanding
Question 1
1 of 3What is a push?
Where you see this in real life
This is why airplanes can fly and why rockets reach space.
Stretch Challenge
Try this in real life this week.
This week, find one thing in your house that turns one kind of energy into another.
For the dinner table
“Show me something at home that uses this kind of energy.”
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 Forces for 2nd Grade
Get the full Forces track as a printable PDF — all lessons, worksheets, and answer keys.