Lesson 13 of 20 · Days and Seasons
Experiment⭐ 30 XPHow Big Is the Sun?
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Days and Seasons.
🎯 Your mission
Set it up. Test it. Be amazed.
⚡ The twist
Nature loves to surprise the careful watcher.
Mind = Blown
🔬 The more you look, the more nature shows you.
Make a hypothesis first
Before you start: write down what you think will happen, and why.
What You'll Learn
The sun is much bigger than Earth. Over a million Earths could fit inside the sun!
Key Words
Tap a word to see its definition.
Materials Needed
- flashlight
- ball (Earth)
- small ball (moon)
Safety First
- Have an adult check your set-up before you start, and tidy everything away afterwards.
Steps
Look at the new words. Can you say each one?
Use a flashlight and a ball to show how the Earth's spin creates day and night.
Compare what happened to what you predicted.
Tell the class one thing you learned today.
Check Your Understanding
Question 1
1 of 3What is the closest star to Earth?
Where you see this in real life
This shows up in your everyday life more than you'd think.
Stretch Challenge
Try this in real life this week.
Try one experiment in real life this week — even a tiny one.
For the dinner table
“What's the most surprising thing you learned today?”
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.
Ready?
How Big Is the Sun?
Set it up. Test it. Be amazed.
Full screen — no distractions
Checkout complete lesson on Days and Seasons for 1st Grade
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