Lesson 69 of 84 · Ecosystems
Experiment⭐ 30 XP🌿 Wild JungleHow Seeds Travel (Part 2)
Ecosystems.
🎯 Your mission
Predict it first. Then prove yourself right (or wrong).
⚡ The twist
What the body does in one minute is wilder than any cartoon.
Mind = Blown
🐙 An octopus has 9 brains and 3 hearts.
Make a hypothesis first
Guess: how does the body solve this problem?
What You'll Learn
Succession is the gradual change of an ecosystem over time. Primary succession begins on bare rock, while secondary succession occurs after a disturbance like a fire.
Key Words
- organism
- habitat
Materials Needed
- plastic wrap
- ruler
- magnifying glass
- paper towels
- markers
- tape
Safety First
- Do not look directly at the sun or bright lights.
- Clean up spills immediately to prevent slipping.
- Use materials only as directed in the experiment.
Steps
Read the introduction and identify the main idea of this lesson.
Set up a composting experiment: place food scraps in one sealed bag and leaves in another. Observe decomposition over two weeks and record changes.
Note any unexpected results and think about why they happened.
Share your findings with the class or a partner and discuss what you learned.
Check Your Understanding
Question 1
1 of 3What is the function of chloroplasts in plant cells?
Where you see this in real life
Your own body is doing this thousands of times every second.
Stretch Challenge
Try this in real life this week.
Find one thing about your body that's different from a friend's. Wonder why.
For the dinner table
“Tell me something you noticed about your own body today.”
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