53

Lesson 53 of 84 ยท Light Optics

Experimentโญ 30 XPโšก Spark Lab

Predator and Prey Relationships (Part 2)

๐ŸงชLab Brief #53

Light Optics.

๐ŸŽฏ Your mission

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

โšก The twist

The opposite of what you expect is often what happens.

๐Ÿคฏ

Mind = Blown

๐Ÿ”ฅ A bolt of lightning is 5 times hotter than the surface of the sun.

๐Ÿ”ฎ

Make a hypothesis first

Predict: what happens if you double the force?

What You'll Learn

Predator-prey relationships help keep ecosystems balanced. When prey populations increase, predator populations grow too. When predators reduce prey numbers, predator populations then decline.

Key Words

  • adaptation
  • metamorphosis

Materials Needed

  • soil
  • cups
  • water
  • plastic wrap
  • ruler

Safety First

  • Do not mix unknown chemicals together.

Steps

Step 1 โ€” Read

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

Step 2 โ€” Do

Set up a composting experiment: place food scraps in one sealed bag and leaves in another. Observe decomposition over two weeks and record changes.

Step 3 โ€” Observe

Draw a detailed diagram of what you observe.

Step 4 โ€” Record

Write a conclusion: what did your results show? Did they match your prediction?

Check Your Understanding

Question 1

1 of 3

What is the difference between a predator and prey?

๐ŸŒ

Where you see this in real life

This is why airplanes can fly and why rockets reach space.

๐Ÿ†

Stretch Challenge

Try this in real life this week.

This week, find one thing in your house that turns one kind of energy into another.

๐Ÿ‘จโ€๐Ÿ‘ฉโ€๐Ÿ‘ง

For the dinner table

โ€œShow me something at home that uses this kind of energy.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 Light Optics for 9th Grade

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Predator and Prey Relationships (Part 2) โ€” Light Optics | 9th Grade Science | LittleActivity | LittleActivity