Lesson 28 of 84 · Space
Lesson⭐ 30 XP🚀 StarbaseGalaxies: Islands of Stars (Part 2)
Galaxies: Islands of Stars (Part 2).
🎯 Your mission
Master the concept. Use it tomorrow.
⚡ The twist
Up there, the rules of down here stop working.
Mind = Blown
🌟 The light from the closest star (after the sun) takes 4 years to reach you.
Make a hypothesis first
Predict: what would happen on the moon vs. on Earth?
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
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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