Lesson 8 of 84 · Simple Electricity
Experiment⭐ 30 XP⚡ Spark LabSimple Machines: Inclined Planes
Simple Electricity.
🎯 Your mission
Predict it first. Then prove yourself right (or wrong).
⚡ The twist
The opposite of what you expect is often what happens.
Mind = Blown
🔥 A bolt of lightning is 5 times hotter than the surface of the sun.
Make a hypothesis first
Predict: what happens if you double the force?
What You'll Learn
Electromagnets are temporary magnets created by running electricity through a coiled wire. They can be turned on and off and are used in motors, speakers, and MRI machines.
Key Words
- direction
- force
- energy
Materials Needed
- marbles
- paper clips
- rubber bands
Safety First
- Clean up spills immediately to prevent slipping.
- Use materials only as directed in the experiment.
Steps
Read the introduction and identify the main idea of this lesson.
Test Newton's Third Law: blow up a balloon, attach it to a straw on a string, and release. Measure how far it travels with different amounts of air.
Observe what happens and describe it in detail.
Record your observations in your science journal with measurements and descriptions.
Check Your Understanding
Question 1
1 of 3Which simple machine is a ramp?
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.”
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