Lesson 48 of 84 · Space
Experiment⭐ 30 XP🚀 StarbaseGalaxies: Islands of Stars (Part 3)
Galaxies: Islands of Stars (Part 3).
🎯 Your mission
Predict it first. Then prove yourself right (or wrong).
⚡ The twist
The light you see now started its trip a long time ago.
Mind = Blown
🌌 If you could drive a car straight up at highway speed, you'd reach space in under an hour.
Make a hypothesis first
Guess: how big does that look from here vs. from there?
What You'll Learn
Galaxies are enormous collections of stars, gas, and dust held together by gravity. Our Milky Way galaxy contains hundreds of billions of stars and is a spiral galaxy.
Key Words
- planet
- asteroid
- comet
Materials Needed
- string
- tape
- pencil
Safety First
- Handle glass items carefully to avoid breakage.
Steps
Read the introduction and identify the main idea of this lesson.
Build a scale model of the inner solar system using different-sized balls. Research the relative sizes and distances of the planets.
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 3What is a galaxy?
Where you see this in real life
Every sunrise and every shadow is this idea in action.
Stretch Challenge
Try this in real life this week.
Look at the moon tonight. Notice its shape. Look again in 3 days.
For the dinner table
“If you could visit any planet, which would you pick and why?”
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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