Lesson 53 of 84 ยท Light Optics
Experimentโญ 30 XPโก Spark LabPredator and Prey Relationships (Part 2)
Light Optics.
๐ฏ Your mission
Predict it first. Then prove yourself right (or wrong).
โก The twist
The opposite of what you expect is often what happens.
Mind = Blown
๐ฅ A bolt of lightning is 5 times hotter than the surface of the sun.
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
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
This is why airplanes can fly and why rockets reach space.
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.
For the dinner table
โShow me something at home that uses this kind of energy.โ
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.
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