Lesson 5 of 84 ยท Space
Lessonโญ 30 XP๐ StarbaseStars: Balls of Hot Gas
Stars: Balls of Hot Gas.
๐ฏ Your mission
Learn the rule. Then catch nature using it.
โก The twist
Gravity is invisible โ but it shapes everything.
Mind = Blown
๐ 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
Stars are massive balls of hot gas that produce light and heat through nuclear fusion. Our sun is a medium-sized star that provides the energy needed for life on Earth.
Key Words
- galaxy
- star
- planet
Steps
Study the diagram and label the parts you recognize.
Model Earth's tilt and seasons: hold a globe tilted at 23.5ยฐ and walk it around a lamp (the sun). Observe which hemisphere gets more direct light at each position.
Draw a detailed diagram of what you observe.
Write a conclusion: what did your results show? Did they match your prediction?
Check Your Understanding
Question 1
1 of 3What is a constellation?
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
โIf you could visit any planet, which would you pick and why?โ
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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