47

Lesson 47 of 84 ยท Engineering and Design

Experimentโญ 30 XP๐Ÿ› ๏ธ Engineer Shop

Forming a Hypothesis (Part 3)

๐ŸงชLab Brief #47

Engineering and Design.

๐ŸŽฏ Your mission

Set it up. Test it. Be amazed.

โšก The twist

Every solution creates a new problem. That's good โ€” that's the next project.

๐Ÿคฏ

Mind = Blown

๐Ÿš€ The Saturn V rocket burned 20 tons of fuel per second at liftoff.

๐Ÿ”ฎ

Make a hypothesis first

Predict: which design will hold the most weight?

What You'll Learn

A hypothesis is a testable prediction about what will happen in an experiment. A good hypothesis is specific and based on prior knowledge or observations.

Key Words

  • variable
  • experiment

Materials Needed

  • string
  • cups
  • aluminum foil
  • ruler

Safety First

  • Use materials only as directed in the experiment.

Steps

Step 1 โ€” Read

Read the introduction and identify the main idea of this lesson.

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

Use your senses (except taste) to describe what you notice.

Step 4 โ€” Record

Write a summary of your findings in 3-5 sentences.

Check Your Understanding

Question 1

1 of 3

What is the dependent variable?

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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€

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Next Smart Experiment

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

๐ŸงฌShare 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 3rd Grade

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

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