Lesson 83 of 84 · Gravity
Experiment⭐ 30 XPHow Machines Help Us (Part 3)
How Machines Help Us (Part 3).
🎯 Your mission
Set it up. Test it. Be amazed.
⚡ The twist
Nature loves to surprise the careful watcher.
Mind = Blown
🔬 The more you look, the more nature shows you.
Make a hypothesis first
Before you start: write down what you think will happen, and why.
What You'll Learn
A force is a push or pull that can change an object's motion, shape, or direction. Forces are measured in Newtons and can act through contact or at a distance.
Key Words
- resistance
- gravity
- friction
Materials Needed
- marbles
- paper clips
- rubber bands
- blocks
- spring scale
- stopwatch
Safety First
- Wear safety goggles when mixing liquids.
Steps
Read about Gravity and write down three key facts.
Set up a pendulum with string and a washer. Change the string length and count swings per minute for each. Graph your results.
Note any unexpected results and think about why they happened.
Share your findings with the class or a partner and discuss what you learned.
Check Your Understanding
Question 1
1 of 3Which is an example of potential energy?
Where you see this in real life
This shows up in your everyday life more than you'd think.
Stretch Challenge
Try this in real life this week.
Try one experiment in real life this week — even a tiny one.
For the dinner table
“What's the most surprising thing you learned today?”
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 Gravity for 5th Grade
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