9

Lesson 9 of 84 ยท Electricity

Lessonโญ 30 XPโšก Spark Lab

Seeds and Germination

๐ŸงชLab Brief #9

Electricity.

๐ŸŽฏ Your mission

Learn the rule. Then catch nature using it.

โšก The twist

The opposite of what you expect is often what happens.

๐Ÿคฏ

Mind = Blown

๐ŸŽข You feel weightless on a roller coaster because you and the seat are falling at the same speed.

๐Ÿ”ฎ

Make a hypothesis first

Predict: what happens if you double the force?

What You'll Learn

Plants reproduce through seeds or spores. Flowering plants produce seeds inside fruits, while conifers produce seeds in cones. Ferns and mosses reproduce using tiny spores.

Key Words

  • decomposer
  • food web

Steps

Step 1 โ€” Read

Review the background information on Electricity before starting.

Step 2 โ€” Do

Design a controlled experiment: grow plants under different light conditions (full sun, partial shade, no light). Water equally and measure growth daily 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

What is germination?

๐ŸŒ

Where you see this in real life

This is why airplanes can fly and why rockets reach space.

๐Ÿ†

Stretch Challenge

Try this in real life this week.

This week, find one thing in your house that turns one kind of energy into another.

๐Ÿ‘จโ€๐Ÿ‘ฉโ€๐Ÿ‘ง

For the dinner table

โ€œShow me something at home that uses this kind of energy.โ€

๐ŸŽฏ

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๐Ÿ’งShare card

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Checkout complete lesson on Electricity for 9th Grade

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

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