Lesson 24 of 84 · Light
Experiment⭐ 30 XP⚡ Spark LabMeasuring with Rulers and Scales (Part 2)
Measuring with Rulers and Scales (Part 2).
🎯 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
Tools like rulers, magnifying glasses, and thermometers help scientists measure and observe.
Key Words
- test
- measure
Materials Needed
- straws
- paper clips
- rubber bands
- string
- cups
- aluminum foil
Safety First
- Wear safety goggles when mixing liquids.
Steps
Look at the picture and read the labels.
Make a parachute from a plastic bag and string. Drop it from a height and time how long it takes to land.
Draw a picture of what you observe.
Share your results with a partner.
Check Your Understanding
Question 1
1 of 3What tool do you use to measure how heavy something is?
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.
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