20

Lesson 20 of 84 ยท Ecosystems

Experimentโญ 30 XP๐ŸŒฟ Wild Jungle

Desert Survival Adaptations

๐ŸงชLab Brief #20

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

Biomes are large regions with similar climate, plants, and animals. Major biomes include tropical rainforest, desert, grassland, tundra, and temperate forest.

Key Words

  • photosynthesis
  • vertebrate

Materials Needed

  • zip-lock bags
  • labels
  • seeds

Safety First

  • Be careful with scissors โ€” ask an adult for help if needed.

Steps

Step 1 โ€” Read

Study the diagram and label the parts you recognize.

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

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 is a food web?

๐ŸŒ

Where you see this in real life

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

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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

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๐ŸงฒShare card

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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.

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