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Lesson 66 of 84 ยท Engineering and Design

Simulationโญ 30 XP๐Ÿ› ๏ธ Engineer Shop

Testing and Improving Prototypes (Part 3)

๐ŸงชLab Brief #66

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

The scientific method is a systematic approach to investigating questions. It involves making observations, forming hypotheses, conducting experiments, analyzing data, and drawing conclusions.

Key Words

  • record
  • hypothesis

Steps

Step 1 โ€” Read

Look at the vocabulary words and write a definition for each in your own words.

Step 2 โ€” Do

Design an experiment to test a hypothesis. Identify your independent variable, dependent variable, and controls. Run the experiment and present results.

Step 3 โ€” Observe

Observe what happens and describe it in detail.

Step 4 โ€” Record

Record your observations in your science journal with measurements and descriptions.

Check Your Understanding

Question 1

1 of 3

What is a hypothesis?

๐ŸŒ

Where you see this in real life

Every bridge, building, and gadget you've ever used started with this.

๐Ÿ†

Stretch Challenge

Try this in real life this week.

Find something that's broken at home and try to figure out *why* it broke.

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.

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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Testing and Improving Prototypes (Part 3) โ€” Engineering and Design | 3rd Grade Science | LittleActivity | LittleActivity