Lesson 9 of 84 ยท Spacetime
Lessonโญ 30 XP๐ StarbaseSeeds and Germination
Spacetime.
๐ฏ Your mission
Master the concept. Use it tomorrow.
โก The twist
The light you see now started its trip a long time ago.
Mind = Blown
๐ 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
Plants reproduce through seeds or spores. Flowering plants produce seeds inside fruits, while conifers produce seeds in cones. Ferns and mosses reproduce using tiny spores.
Key Words
- decomposer
- food web
Steps
Review the background information on Spacetime before starting.
Design a controlled experiment: grow plants under different light conditions (full sun, partial shade, no light). Water equally and measure growth daily for one week.
Watch carefully for any changes and note the time.
Create a data table to organize your measurements.
Check Your Understanding
Question 1
1 of 3What is germination?
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
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.
Checkout complete lesson on Spacetime for 9th Grade
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