Lesson 36 of 84 · Cells
Experiment⭐ 30 XP🌿 Wild JungleCell Organelles and Their Jobs (Part 2)
Cell Organelles and Their Jobs (Part 2).
🎯 Your mission
Set it up. Test it. Be amazed.
⚡ The twist
Every species solves the same problem differently.
Mind = Blown
🐙 An octopus has 9 brains and 3 hearts.
Make a hypothesis first
Before you watch: what do you think it'll do?
What You'll Learn
Mutations are changes in DNA sequence that can occur randomly. Most mutations have no effect, some are harmful, and a few may be beneficial and help a species adapt.
Key Words
- fossil record
- species
- heredity
Materials Needed
- microscope (or magnifying glass)
- slides
- onion skin
- iodine stain
Safety First
- Dispose of materials properly after the experiment.
- Handle glass items carefully to avoid breakage.
Steps
Look at the vocabulary words and write a definition for each in your own words.
Prepare a wet-mount slide of an onion skin and observe it under a microscope (or magnifying glass). Draw and label the cell wall, cell membrane, and nucleus.
Use your senses (except taste) to describe what you notice.
Write a summary of your findings in 3-5 sentences.
Check Your Understanding
Question 1
1 of 3What organelle produces energy for the cell?
Where you see this in real life
Your own body is doing this thousands of times every second.
Stretch Challenge
Try this in real life this week.
Find one thing about your body that's different from a friend's. Wonder why.
For the dinner table
“Tell me something you noticed about your own body today.”
Next Smart Experiment
We'll pick an experiment that matches exactly how you're thinking right now.
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Send it to a parent who's looking for a 10-minute kitchen science win.
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