42

Lesson 42 of 84 ยท Engineering and Design

Experimentโญ 30 XP๐Ÿ› ๏ธ Engineer Shop

Observing the World Around Us (Part 3)

๐ŸงชLab Brief #42

Engineering and Design.

๐ŸŽฏ Your mission

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

โšก The twist

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

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

Predict: which design will hold the most weight?

What You'll Learn

An experiment is a test to find out if something is true. You can do experiments at home!

Key Words

  • observe
  • question
  • test

Materials Needed

  • cups
  • aluminum foil
  • ruler
  • markers
  • popsicle sticks

Safety First

  • Do not taste any materials.
  • Wear safety goggles when mixing liquids.

Steps

Step 1 โ€” Read

Look at the new words. Can you say each one?

Step 2 โ€” Do

Design a boat from foil that can hold the most pennies without sinking.

Step 3 โ€” Observe

Use your senses to describe what you notice.

Step 4 โ€” Record

Write 1-2 sentences about what happened.

Check Your Understanding

Question 1

1 of 3

What is the first step when solving a problem?

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.

๐ŸŒก๏ธShare 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 2nd Grade

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

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