Lesson 26 of 84 · The Human Body
Experiment⭐ 30 XP🌿 Wild JungleThe Brain: Your Command Center (Part 2)
The Human Body.
🎯 Your mission
Set it up. Test it. Be amazed.
⚡ The twist
Living things break the rules of non-living things — find the rule they break.
Mind = Blown
🦠 You have more bacterial cells in your body than human cells.
Make a hypothesis first
Predict: what will happen to the plant if you change the water?
What You'll Learn
The brain is the control center of the nervous system. It processes information from the senses, controls movement, stores memories, and manages body functions like breathing.
Key Words
- neuron
- receptor
- stimulus
Materials Needed
- sponge
- water
- blindfold
- cotton balls
Safety First
- Wash hands after handling materials.
- Be careful with scissors — ask an adult for help if needed.
Steps
Read about The Human Body and write down three key facts.
Build a model arm using cardboard tubes, string (tendons), and rubber bands (muscles). Show how muscles work in pairs to bend and straighten the elbow.
Compare the before and after states.
Write your conclusion: did the results match your hypothesis? What would you change next time?
Check Your Understanding
Question 1
1 of 3How many bones does an adult human have?
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.
Share this experiment
Send it to a parent who's looking for a 10-minute kitchen science win.
Checkout complete lesson on The Human Body for 6th Grade
Get the full The Human Body track as a printable PDF — all lessons, worksheets, and answer keys.