Lesson 14 of 84 ยท Spacetime
Experimentโญ 30 XP๐ StarbaseClassifying Living Things
Spacetime.
๐ฏ Your mission
Run the experiment. Find out what really happens.
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
Living things are organized into levels: cells form tissues, tissues form organs, organs form organ systems, and organ systems make up a complete organism.
Key Words
- metamorphosis
- germination
Materials Needed
- paper towels
- markers
- tape
- small pots
- cotton balls
Safety First
- Wear safety goggles when mixing liquids.
- Wash hands after handling materials.
- Be careful with scissors โ ask an adult for help if needed.
Steps
Review the background information on Spacetime before starting.
Compare the skeletal structures of a bird wing, human arm, and whale flipper using diagrams. Identify homologous bones and write what this tells us about common ancestry.
Note any unexpected results and think about why they happened.
Share your findings with the class or a partner and discuss what you learned.
Check Your Understanding
Question 1
1 of 3What do all living things have in common?
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
Get the full Spacetime track as a printable PDF โ all lessons, worksheets, and answer keys.
