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Lesson 52 of 84 ยท Human Impacts on Earth

Lessonโญ 30 XP๐ŸŒฟ Wild Jungle

Types of Waves: Transverse and Longitudinal (Part 3)

๐ŸงชLab Brief #52

Human Impacts on Earth.

๐ŸŽฏ Your mission

Understand the idea. Then look for it everywhere.

โšก The twist

Living things break the rules of non-living things โ€” find the rule they break.

๐Ÿคฏ

Mind = Blown

๐Ÿฆ  You have more bacterial cells in your body than human cells.

๐Ÿ”ฎ

Make a hypothesis first

Predict: what will happen to the plant if you change the water?

What You'll Learn

The electromagnetic spectrum includes radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays, ordered by increasing frequency and energy.

Key Words

  • conclusion
  • evidence

Steps

Step 1 โ€” Read

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

Step 2 โ€” Do

Conduct a design challenge: build a car powered only by a balloon. Measure how far it travels and iterate on your design at least twice.

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 type of wave is sound?

๐ŸŒ

Where you see this in real life

This is why plants grow toward windows and why scabs form.

๐Ÿ†

Stretch Challenge

Try this in real life this week.

Watch a plant or pet for 5 minutes today and write down what you noticed.

๐Ÿ‘จโ€๐Ÿ‘ฉโ€๐Ÿ‘ง

For the dinner table

โ€œTell me something you noticed about your own body today.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 Human Impacts on Earth for 8th Grade

Get the full Human Impacts on Earth track as a printable PDF โ€” all lessons, worksheets, and answer keys.

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Types of Waves: Transverse and Longitudinal (Part 3) โ€” Human Impacts on Earth | 8th Grade Science | LittleActivity | LittleActivity