Lesson 23 of 84 · Forces
Experiment⭐ 30 XP⚡ Spark LabWhat Makes Things Move?
What Makes Things Move?.
🎯 Your mission
Run the experiment. Find out what really happens.
⚡ The twist
The opposite of what you expect is often what happens.
Mind = Blown
🎢 You feel weightless on a roller coaster because you and the seat are falling at the same speed.
Make a hypothesis first
Predict: what happens if you double the force?
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
- wedge
- magnet
- attract
Materials Needed
- pencils
- toy cars
- ramps
- string
- weights
Safety First
- Do not mix unknown chemicals together.
- Tie back long hair before starting the experiment.
Steps
Read the introduction and identify the main idea of this lesson.
Create a Rube Goldberg machine with at least 5 steps that demonstrates energy transfer from one form to another.
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 form of energy does food contain?
Where you see this in real life
You use this every time you flip a light switch, ride a bike, or kick a ball.
Stretch Challenge
Try this in real life this week.
Time how long a small ball rolls down something, then change the slope and try again.
For the dinner table
“Show me something at home that uses this kind of energy.”
Next Smart Experiment
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