Lesson 79 of 84 · Engineering and Design

Experiment⭐ 30 XP🛠️ Engineer Shop

Solving Problems Step by Step (Part 4)

🧪Lab Brief #79

Engineering and Design.

🎯 Your mission

Predict it first. Then prove yourself right (or wrong).

⚡ The twist

Every solution creates a new problem. That's good — that's the next project.

🤯

Mind = Blown

🌉 The Eiffel Tower can grow 6 inches taller in summer because metal expands when hot.

🔮

Make a hypothesis first

Predict: which design will hold the most weight?

What You'll Learn

A model is a smaller or simpler version of something that helps you understand the real thing.

Key Words

solution
try again

Materials Needed

straws
paper clips
rubber bands

Safety First

Wear safety goggles when mixing liquids.

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 does a magnifying glass do?

How sure are you going to be?😐 maybe

🌍

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 card

Share this experiment

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

🖨️

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