Lesson 53 of 84 · Life Cycles
Experiment⭐ 30 XP🌿 Wild JunglePredator and Prey Relationships (Part 2)
Life Cycles.
🎯 Your mission
Run the experiment. Find out what really happens.
⚡ The twist
What the body does in one minute is wilder than any cartoon.
Mind = Blown
🦠 You have more bacterial cells in your body than human cells.
Make a hypothesis first
Guess: how does the body solve this problem?
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
- germination
Materials Needed
- cups
- water
- plastic wrap
- ruler
Safety First
- Adult supervision recommended.
Steps
Look at the vocabulary words and write a definition for each in your own words.
Set up a composting experiment: place food scraps in one sealed bag and leaves in another. Observe decomposition over two weeks and record changes.
Draw a detailed diagram of what you observe.
Write a conclusion: what did your results show? Did they match your prediction?
Check Your Understanding
Question 1
1 of 3What is the difference between a predator and prey?
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.”
Next Smart Experiment
We'll pick an experiment that matches exactly how you're thinking right now.
Share this experiment
Send it to a parent who's looking for a 10-minute kitchen science win.
Checkout complete lesson on Life Cycles for 3rd Grade
Get the full Life Cycles track as a printable PDF — all lessons, worksheets, and answer keys.