Lesson 36 of 84 · Spacetime
Lesson⭐ 30 XP🚀 StarbaseClassifying Life into Kingdoms
Spacetime.
🎯 Your mission
Master the concept. Use it tomorrow.
⚡ The twist
The light you see now started its trip a long time ago.
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
Guess: how big does that look from here vs. from there?
What You'll Learn
Scientists classify living things into groups based on shared features, starting with broad kingdoms such as animals, plants, fungi, and bacteria. Every organism also receives a two-part scientific name, like Homo sapiens for humans.
Key Words
Tap a word to see its definition.
Steps
Read about Spacetime and write down three key facts.
Set up a composting experiment: place food scraps in one sealed bag and leaves in another. Observe decomposition over two weeks and record changes.
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 gas do plants release during photosynthesis?
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.
Checkout complete lesson on Spacetime for 9th Grade
Get the full Spacetime track as a printable PDF — all lessons, worksheets, and answer keys.