37

Lesson 37 of 84 ยท Spacetime

Lessonโญ 30 XP๐Ÿš€ Starbase

The Human Circulatory System

๐ŸงชLab Brief #37

Spacetime.

๐ŸŽฏ Your mission

Understand the idea. Then look for it everywhere.

โšก The twist

Up there, the rules of down here stop working.

๐Ÿคฏ

Mind = Blown

๐Ÿช A day on Venus is longer than a year on Venus.

๐Ÿ”ฎ

Make a hypothesis first

Predict: what would happen on the moon vs. on Earth?

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

Step 1 โ€” Read

Look at the vocabulary words and write a definition for each in your own words.

Step 2 โ€” Do

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.

Step 3 โ€” Observe

Watch carefully for any changes and note the time.

Step 4 โ€” Record

Create a data table to organize your measurements.

Check Your Understanding

Question 1

1 of 3

Which stage comes after a caterpillar in metamorphosis?

๐ŸŒ

Where you see this in real life

GPS, weather forecasts, and the seasons all rely on this.

๐Ÿ†

Stretch Challenge

Try this in real life this week.

Find a constellation in the sky. Look it up. Tell someone its story.

๐Ÿ‘จโ€๐Ÿ‘ฉโ€๐Ÿ‘ง

For the dinner table

โ€œIf you could visit any planet, which would you pick and why?โ€

๐ŸŽฏ

Next Smart Experiment

We'll pick an experiment that matches exactly how you're thinking right now.

๐Ÿฆ Share card

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Send it to a parent who's looking for a 10-minute kitchen science win.

๐Ÿ–จ๏ธ

Checkout complete lesson on Spacetime for 9th Grade

Get the full Spacetime track as a printable PDF โ€” all lessons, worksheets, and answer keys.

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