Lesson 31 of 84 ยท Engineering and Design
Experimentโญ 30 XP๐ ๏ธ Engineer ShopConservation: Protecting Our Resources (Part 2)
Engineering and Design.
๐ฏ Your mission
Set it up. Test it. Be amazed.
โก The twist
Every solution creates a new problem. That's good โ that's the next project.
Mind = Blown
๐ The Saturn V rocket burned 20 tons of fuel per second at liftoff.
Make a hypothesis first
Predict: which design will hold the most weight?
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
- rubber bands
- string
- cups
- aluminum foil
- ruler
- markers
Safety First
- Use materials only as directed in the experiment.
- Keep small objects away from young children.
- Work in a well-ventilated area when using vinegar or other strong-smelling substances.
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 โ all designed with this idea.
Stretch Challenge
Try this in real life this week.
Build something โ anything โ out of stuff in your recycling bin.
For the dinner table
โWhat's something around the house you'd redesign โ and how?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.
Checkout complete lesson on Engineering and Design for 4th Grade
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