Lesson 9 of 84 · Engineering and Design
Experiment⭐ 30 XP🛠️ Engineer ShopConservation: Protecting Our Resources
Engineering and Design.
🎯 Your mission
Run the experiment. Find out what really happens.
⚡ The twist
Constraints make you more creative, not less.
Mind = Blown
🌉 The Eiffel Tower can grow 6 inches taller in summer because metal expands when hot.
Make a hypothesis first
Before you test: how many tries until it works?
What You'll Learn
Conservation efforts protect natural resources and biodiversity. Reducing waste, recycling, protecting habitats, and using renewable energy all help preserve Earth's resources.
Key Words
- conclusion
- evidence
Materials Needed
- paper clips
- rubber bands
- string
- cups
Safety First
- Protect your work surface with newspaper or plastic.
- Adult supervision recommended.
- Do not taste any materials.
Steps
Review the background information on Engineering and Design before starting.
Design and build a bridge from newspaper and tape that can hold a textbook. Test it and redesign to make it stronger.
Watch carefully for any changes and note the time.
Create a data table to organize your measurements.
Check Your Understanding
Question 1
1 of 3What is the independent variable?
Where you see this in real life
Your phone, your bike, your shoes — all designed with this idea.
Stretch Challenge
Try this in real life this week.
Build something — anything — out of stuff in your recycling bin.
For the dinner table
“What's something around the house you'd redesign — and how?”
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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