Lesson 76 of 84 ยท Spacetime
Experimentโญ 30 XP๐ StarbaseNatural Selection and Evolution (Part 2)
Spacetime.
๐ฏ Your mission
Set it up. Test it. Be amazed.
โก The twist
Up there, the rules of down here stop working.
Mind = Blown
๐ช A day on Venus is longer than a year on Venus.
Make a hypothesis first
Predict: what would happen on the moon vs. on Earth?
What You'll Learn
Natural selection is the process in which organisms with helpful traits survive and reproduce more successfully than those without them. Over many generations this can lead to evolution, such as when moths with darker wings became common in soot-covered forests.
Key Words
Tap a word to see its definition.
Materials Needed
- ruler
- magnifying glass
- paper towels
- markers
Safety First
- Use materials only as directed in the experiment.
Steps
Study the diagram and label the parts you recognize.
Dissect a flower (lily or tulip works well). Identify and label the sepals, petals, stamen, pistil, and ovary. Tape each part to paper.
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 hibernating animals do?
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
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Send it to a parent who's looking for a 10-minute kitchen science win.
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