Lesson 14 of 84 · Light and Sound

Experiment⭐ 30 XP⚡ Spark Lab

Sounds High and Low

🧪Lab Brief #14

Light and Sound.

🎯 Your mission

Set it up. Test it. Be amazed.

⚡ The twist

Energy never disappears — it just hides somewhere else.

🤯

Mind = Blown

🎢 You feel weightless on a roller coaster because you and the seat are falling at the same speed.

🔮

Make a hypothesis first

Before you start: which will move faster, and why?

What You'll Learn

The engineering design process: identify the problem, brainstorm ideas, build, test, and improve!

Key Words

design
build
plan

Materials Needed

cups
aluminum foil
ruler
markers
popsicle sticks
pennies

Safety First

Tie back long hair before starting the experiment.
Protect your work surface with newspaper or plastic.

Steps

Step 1 — Read

Look at the picture and read the labels.

Step 2 — Do

Make a parachute from a plastic bag and string. Drop it from a height and time how long it takes to land.

Step 3 — Observe

Draw a picture of what you observe.

Step 4 — Record

Share your results with a partner.

Check Your Understanding

Question 1

1 of 3

What tool do you use to measure how heavy something is?

How sure are you going to be?😐 maybe

🌍

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 card

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Send it to a parent who's looking for a 10-minute kitchen science win.

🖨️

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