4

Lesson 4 of 84 ยท Spacetime

Lessonโญ 30 XP๐Ÿš€ Starbase

Food Webs and Feeding Relationships

๐ŸงชLab Brief #4

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

Food webs show the complex feeding relationships in an ecosystem. Unlike a simple food chain, a food web shows that most organisms eat more than one type of food.

Key Words

Tap a word to see its definition.

Steps

Step 1 โ€” Read

Review the background information on Spacetime before starting.

Step 2 โ€” Do

Set up a composting experiment: place food scraps in one sealed bag and leaves in another. Observe decomposition over two weeks and record changes.

Step 3 โ€” Observe

Look for patterns in your observations.

Step 4 โ€” Record

Make a graph or chart showing your results.

Check Your Understanding

Question 1

1 of 3

What is the main source of energy for most food chains?

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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