Lesson 72 of 84 · Light Optics
Experiment⭐ 30 XP⚡ Spark LabCellular Respiration (Part 2)
Light Optics.
🎯 Your mission
Set it up. Test it. Be amazed.
⚡ The twist
Energy never disappears — it just hides somewhere else.
Mind = Blown
🎢 You feel weightless on a roller coaster because you and the seat are falling at the same speed.
Make a hypothesis first
Before you start: which will move faster, and why?
What You'll Learn
Cellular respiration is how cells release energy from food by combining glucose with oxygen. This process takes place mainly in the mitochondria and produces carbon dioxide and water as waste, along with the energy cells need to work.
Key Words
Tap a word to see its definition.
Materials Needed
- seeds
- soil
- cups
- water
- plastic wrap
- ruler
Safety First
- Protect your work surface with newspaper or plastic.
- Adult supervision recommended.
Steps
Read about Light Optics and write down three key facts.
Collect and classify 10 organisms from your yard into kingdoms, phyla, or groups. Use a dichotomous key if available.
Use your senses (except taste) to describe what you notice.
Write a summary of your findings in 3-5 sentences.
Check Your Understanding
Question 1
1 of 3What is pollination?
Where you see this in real life
You use this every time you flip a light switch, ride a bike, or kick a ball.
Stretch Challenge
Try this in real life this week.
Time how long a small ball rolls down something, then change the slope and try again.
For the dinner table
“Show me something at home that uses this kind of energy.”
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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