25

Lesson 25 of 84 ยท Human Impacts on Earth

Experimentโญ 30 XP๐ŸŒฟ Wild Jungle

Forming a Hypothesis (Part 2)

๐ŸงชLab Brief #25

Human Impacts on Earth.

๐ŸŽฏ Your mission

Set it up. Test it. Be amazed.

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

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
  • control

Materials Needed

  • straws
  • paper clips
  • rubber bands
  • string
  • cups

Safety First

  • Clean up spills immediately to prevent slipping.
  • Use materials only as directed in the experiment.
  • Keep small objects away from young children.

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?

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.

View in Shop

Your Cart (0)

Your cart is empty

Browse our shop to find activities your kids will love

Forming a Hypothesis (Part 2) โ€” Human Impacts on Earth | 8th Grade Science | LittleActivity | LittleActivity