Lesson 37 of 84 · Acids Bases
Experiment⭐ 30 XPThe Human Circulatory System
Acids Bases.
🎯 Your mission
Run the experiment. Find out what really happens.
⚡ The twist
Nature loves to surprise the careful watcher.
Mind = Blown
🔬 The more you look, the more nature shows you.
Make a hypothesis first
Before you start: write down what you think will happen, and why.
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.
Materials Needed
- plastic wrap
- ruler
- magnifying glass
Safety First
- Use materials only as directed in the experiment.
- Keep small objects away from young children.
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
This shows up in your everyday life more than you'd think.
Stretch Challenge
Try this in real life this week.
Try one experiment in real life this week — even a tiny one.
For the dinner table
“What's the most surprising thing you learned today?”
Next Smart Experiment
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