47

Lesson 47 of 84 ยท Ecosystems

Experimentโญ 30 XP๐ŸŒฟ Wild Jungle

Photosynthesis: How Plants Make Food (Part 2)

๐ŸงชLab Brief #47

Ecosystems.

๐ŸŽฏ Your mission

Run the experiment. Find out what really happens.

โšก The twist

Every species solves the same problem differently.

๐Ÿคฏ

Mind = Blown

๐ŸŒณ Trees can talk to each other through underground fungus networks.

๐Ÿ”ฎ

Make a hypothesis first

Before you watch: what do you think it'll do?

What You'll Learn

A food chain shows how energy passes from one organism to another. Producers like plants capture energy from the sun, herbivores eat the plants, and carnivores eat the herbivores.

Key Words

  • consumer
  • decomposer
  • food web

Materials Needed

  • plastic wrap
  • ruler
  • magnifying glass
  • paper towels
  • markers
  • tape

Safety First

  • Work in a well-ventilated area when using vinegar or other strong-smelling substances.

Steps

Step 1 โ€” Read

Read about Ecosystems and write down three key facts.

Step 2 โ€” Do

Compare the skeletal structures of a bird wing, human arm, and whale flipper using diagrams. Identify homologous bones and write what this tells us about common ancestry.

Step 3 โ€” Observe

Compare the before and after states.

Step 4 โ€” Record

Write your conclusion: did the results match your hypothesis? What would you change next time?

Check Your Understanding

Question 1

1 of 3

What gas do plants release during photosynthesis?

๐ŸŒ

Where you see this in real life

Your own body is doing this thousands of times every second.

๐Ÿ†

Stretch Challenge

Try this in real life this week.

Find one thing about your body that's different from a friend's. Wonder why.

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.

๐ŸงฒShare 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 Ecosystems for 4th Grade

Get the full Ecosystems 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