Lesson 6 of 10 · Space
Lesson⭐ 30 XP🚀 StarbaseThe Big Bang
The Big Bang.
🎯 Your mission
Learn the rule. Then catch nature using it.
⚡ The twist
Gravity is invisible — but it shapes everything.
Mind = Blown
🌟 The light from the closest star (after the sun) takes 4 years to reach you.
Make a hypothesis first
Before you check: which is closer?
What You'll Learn
Scientists believe the universe began about 13.8 billion years ago in an event called the Big Bang. Since then, space itself has been expanding, carrying galaxies farther and farther apart over time.
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.
Time how long it takes for a shadow to move 10 cm. Use this to calculate how fast Earth is rotating.
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 2What is a light-year?
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.
Ready?
The Big Bang
Learn the rule. Then catch nature using it.
Full screen — no distractions
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