Lesson 68 of 84 · Space
Lesson⭐ 30 XP🚀 StarbaseGalaxies: Islands of Stars (Part 4)
Galaxies: Islands of Stars (Part 4).
🎯 Your mission
Learn the rule. Then catch nature using it.
⚡ The twist
The light you see now started its trip a long time ago.
Mind = Blown
🪐 A day on Venus is longer than a year on Venus.
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
- inner planets
- outer planets
- atmosphere
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
GPS, weather forecasts, and the seasons all rely on this.
Stretch Challenge
Try this in real life this week.
Find a constellation in the sky. Look it up. Tell someone its story.
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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