Lesson 2 of 12 · Space
Lesson⭐ 30 XP🚀 StarbaseGalaxies and the Milky Way
Galaxies and the Milky Way.
🎯 Your mission
Understand the idea. Then look for it everywhere.
⚡ The twist
Gravity is invisible — but it shapes everything.
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
Before you check: which is closer?
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
Tap a word to see its definition.
Steps
Look at the vocabulary words and write a definition for each in your own words.
Calculate your weight on different planets by multiplying your Earth weight by each planet's gravity factor. Make a bar graph of the results.
Look for patterns in your observations.
Make a graph or chart showing your results.
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.
Ready?
Galaxies and the Milky Way
Understand the idea. Then look for it everywhere.
Full screen — no distractions
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