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Lesson 33 of 84 ยท Engineering and Design

Simulationโญ 30 XP๐Ÿ› ๏ธ Engineer Shop

Building a Scientific Argument (Part 2)

๐ŸงชLab Brief #33

Engineering and Design.

๐ŸŽฏ Your mission

Play with the model. Break it. Understand it.

โšก The twist

Constraints make you more creative, not less.

๐Ÿคฏ

Mind = Blown

๐ŸŒ‰ The Eiffel Tower can grow 6 inches taller in summer because metal expands when hot.

๐Ÿ”ฎ

Make a hypothesis first

Before you test: how many tries until it works?

What You'll Learn

Scientific arguments require a claim, evidence, and reasoning. The claim states what you believe, evidence provides data supporting it, and reasoning explains how the evidence supports the claim.

Key Words

  • model
  • prototype

Steps

Step 1 โ€” Read

Read about Engineering and Design and write down three key facts.

Step 2 โ€” Do

Design a device that can protect an egg from a 2-meter drop. You may use paper, tape, straws, and cotton. Test it and improve your design.

Step 3 โ€” Observe

Look for patterns in your observations.

Step 4 โ€” Record

Make a graph or chart showing your results.

Check Your Understanding

Question 1

1 of 3

What does a prism do to white light?

๐ŸŒ

Where you see this in real life

Your phone, your bike, your shoes โ€” all designed with this idea.

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Stretch Challenge

Try this in real life this week.

Build something โ€” anything โ€” out of stuff in your recycling bin.

๐Ÿ‘จโ€๐Ÿ‘ฉโ€๐Ÿ‘ง

For the dinner table

โ€œWhat's something around the house you'd redesign โ€” and how?โ€

๐ŸŽฏ

Next Smart Experiment

We'll pick an experiment that matches exactly how you're thinking right now.

๐ŸชจShare card

Share this experiment

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

๐Ÿ–จ๏ธ

Checkout complete lesson on Engineering and Design for 8th Grade

Get the full Engineering and Design track as a printable PDF โ€” all lessons, worksheets, and answer keys.

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