Lesson 68 of 84 ยท Engineering and Design
Experimentโญ 30 XP๐ ๏ธ Engineer ShopComparing Our Results (Part 4)
Engineering and Design.
๐ฏ Your mission
Run the experiment. Find out what really happens.
โก The twist
The first design always fails. That's the point.
Mind = Blown
๐ The Saturn V rocket burned 20 tons of fuel per second at liftoff.
Make a hypothesis first
Guess: what's the weakest part of this build?
What You'll Learn
Good scientists repeat their experiments to make sure the results are the same each time.
Key Words
- record
- predict
- tool
Materials Needed
- pennies
- plastic wrap
- cardboard
Safety First
- Dispose of materials properly after the experiment.
- Handle glass items carefully to avoid breakage.
Steps
Read the introduction. What is this lesson about?
Build a tower from spaghetti and marshmallows. Measure how tall you can make it.
Look for something that changed. What is it?
Circle the correct answer on your worksheet.
Check Your Understanding
Question 1
1 of 3Is it okay to make mistakes in science?
Where you see this in real life
Every bridge, building, and gadget you've ever used started with this.
Stretch Challenge
Try this in real life this week.
Find something that's broken at home and try to figure out *why* it broke.
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.
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