Lesson 73 of 84 · Engineering and Design
Experiment⭐ 30 XP🛠️ Engineer ShopHow Mirrors Reflect Light (Part 4)
Engineering and Design.
🎯 Your mission
Run the experiment. Find out what really happens.
⚡ The twist
The first design always fails. That's the point.
Mind = Blown
🚀 The Saturn V rocket burned 20 tons of fuel per second at liftoff.
Make a hypothesis first
Guess: what's the weakest part of this build?
What You'll Learn
Mirrors reflect light. When light hits a mirror, it bounces off like a ball bouncing off a wall.
Key Words
Tap a word to see its definition.
Materials Needed
- cups
- aluminum foil
- ruler
- markers
- popsicle sticks
- pennies
Safety First
- Handle glass items carefully to avoid breakage.
Steps
Read the introduction. What is this lesson about?
Build a tower from spaghetti and marshmallows. Measure how tall you can make it.
Look for something that changed. What is it?
Circle the correct answer on your worksheet.
Check Your Understanding
Question 1
1 of 3Why do we record what happens in experiments?
Where you see this in real life
Every bridge, building, and gadget you've ever used started with this.
Stretch Challenge
Try this in real life this week.
Find something that's broken at home and try to figure out *why* it broke.
For the dinner table
“What's something around the house you'd redesign — and how?”
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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