Lesson 33 of 84 ยท Electricity
Lessonโญ 30 XPโก Spark LabDNA, Genes, and Heredity
Electricity.
๐ฏ Your mission
Learn the rule. Then catch nature using it.
โก The twist
The opposite of what you expect is often what happens.
Mind = Blown
๐ข You feel weightless on a roller coaster because you and the seat are falling at the same speed.
Make a hypothesis first
Predict: what happens if you double the force?
What You'll Learn
DNA is a molecule that carries the coded instructions for building and running a living thing. These instructions are organized into genes, which parents pass on to their offspring, which is why children often resemble their parents.
Key Words
Tap a word to see its definition.
Steps
Read the introduction and identify the main idea of this lesson.
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.
Draw a detailed diagram of what you observe.
Write a conclusion: what did your results show? Did they match your prediction?
Check Your Understanding
Question 1
1 of 3What is the role of a decomposer in an ecosystem?
Where you see this in real life
You use this every time you flip a light switch, ride a bike, or kick a ball.
Stretch Challenge
Try this in real life this week.
Time how long a small ball rolls down something, then change the slope and try again.
For the dinner table
โShow me something at home that uses this kind of energy.โ
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.
Checkout complete lesson on Electricity for 9th Grade
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