Lesson 66 of 84 · Light Optics
Experiment⭐ 30 XP⚡ Spark LabEndangered Species and Conservation (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
Endangered species are at risk of extinction due to habitat loss, pollution, hunting, or climate change. Conservation efforts work to protect these species and their habitats.
Key Words
- invertebrate
- species
- organism
Materials Needed
- markers
- tape
- small pots
- cotton balls
- zip-lock bags
- labels
Safety First
- Do not taste any materials.
- Wear safety goggles when mixing liquids.
- Wash hands after handling materials.
Steps
Study the diagram and label the parts you recognize.
Design a controlled experiment: grow plants under different light conditions (full sun, partial shade, no light). Water equally and measure growth daily for one week.
Look for patterns in your observations.
Make a graph or chart showing your results.
Check Your Understanding
Question 1
1 of 3Which part of a plant captures sunlight?
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
“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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