Lesson 42 of 84 · The Human Body
Experiment⭐ 30 XP🌿 Wild JungleHow Your Eyes See (Part 3)
The Human Body.
🎯 Your mission
Run the experiment. Find out what really happens.
⚡ The twist
Every species solves the same problem differently.
Mind = Blown
🌳 Trees can talk to each other through underground fungus networks.
Make a hypothesis first
Before you watch: what do you think it'll do?
What You'll Learn
Reflexes are automatic responses that happen without conscious thought. When you touch something hot, your hand pulls away before your brain even registers the pain.
Key Words
- organ system
- tissue
- cell
Materials Needed
- tape
- mirror
- stethoscope (toy)
- sponge
Safety First
- Work in a well-ventilated area when using vinegar or other strong-smelling substances.
- 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.
Test reaction time: have a partner drop a ruler and catch it. Record the centimeter mark 10 times. Calculate your average reaction time.
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 the largest organ of the human body?
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.”
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