Lesson 30 of 84 ยท Data and Evidence
Experimentโญ 30 XPTypes of Waves: Transverse and Longitudinal (Part 2)
Data and Evidence.
๐ฏ Your mission
Predict it first. Then prove yourself right (or wrong).
โก The twist
Nature loves to surprise the careful watcher.
Mind = Blown
๐ฌ 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 electromagnetic spectrum includes radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays, ordered by increasing frequency and energy.
Key Words
- conclusion
- evidence
- model
Materials Needed
- cups
- aluminum foil
- ruler
Safety First
- Do not look directly at the sun or bright lights.
- Clean up spills immediately to prevent slipping.
Steps
Read the introduction and identify the main idea of this lesson.
Conduct a design challenge: build a car powered only by a balloon. Measure how far it travels and iterate on your design at least twice.
Observe what happens and describe it in detail.
Record your observations in your science journal with measurements and descriptions.
Check Your Understanding
Question 1
1 of 3What type of wave is sound?
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 โ even a tiny one.
For the dinner table
โWhat's the most surprising thing you learned today?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 Data and Evidence for 8th Grade
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