Lesson 15 of 84 ยท Forces
Lessonโญ 30 XPโก Spark LabPulleys Pull Things Up
Pulleys Pull Things Up.
๐ฏ Your mission
Learn the rule. Then catch nature using it.
โก The twist
Speed isn't the same as force. Don't mix them up.
Mind = Blown
โก Static electricity is the same physics as lightning, just smaller.
Make a hypothesis first
Guess: where does the energy go?
What You'll Learn
Things roll, slide, bounce, or spin depending on their shape and the forces acting on them.
Key Words
- simple machine
- lever
Steps
Talk about what you already know about Forces.
Build a simple lever with a ruler and pencil. Try lifting objects on one end by pushing the other.
Compare what happened to what you predicted.
Tell the class one thing you learned today.
Check Your Understanding
Question 1
1 of 3Does a seesaw use a lever?
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
โShow me something at home that uses this kind of energy.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 Forces for 1st Grade
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