Lesson 79 of 84 · Energy Transfer
Lesson⭐ 30 XP⚡ Spark LabWork and Power (Part 3)
Energy Transfer.
🎯 Your mission
Understand the idea. Then look for it everywhere.
⚡ The twist
Speed isn't the same as force. Don't mix them up.
Mind = Blown
🔥 A bolt of lightning is 5 times hotter than the surface of the sun.
Make a hypothesis first
Guess: where does the energy go?
What You'll Learn
Work in science means using a force to move an object a distance. If you push a box across the floor, you do work. If you push a wall and it doesn't move, no work is done.
Key Words
- voltage
- current
- resistance
Steps
Look at the vocabulary words and write a definition for each in your own words.
Build a simple circuit using a battery, wire, and light bulb. Then add a switch and test what happens when you open and close it.
Use your senses (except taste) to describe what you notice.
Write a summary of your findings in 3-5 sentences.
Check Your Understanding
Question 1
1 of 3What is work in science?
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
“Show me something at home that uses this kind of energy.”
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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