Lesson 78 of 84 · Ecosystems
Lesson⭐ 30 XP🌿 Wild JungleThe Human Circulatory System (Part 2)
Ecosystems.
🎯 Your mission
Master the concept. Use it tomorrow.
⚡ The twist
Living things break the rules of non-living things — find the rule they break.
Mind = Blown
🌳 Trees can talk to each other through underground fungus networks.
Make a hypothesis first
Predict: what will happen to the plant if you change the water?
What You'll Learn
The circulatory system moves blood throughout the body to deliver oxygen and nutrients and to carry away waste. The heart works as a pump, pushing blood through a network of arteries, veins, and tiny capillaries.
Key Words
Tap a word to see its definition.
Steps
Look at the vocabulary words and write a definition for each in your own words.
Build a model ecosystem in a jar using soil, small plants, and water. Seal it and observe how the water cycle works inside it for one week.
Watch carefully for any changes and note the time.
Create a data table to organize your measurements.
Check Your Understanding
Question 1
1 of 3Which stage comes after a caterpillar in metamorphosis?
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.
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