Lesson 39 of 84 · Human Impacts on Earth
Lesson⭐ 30 XP🌿 Wild JunglePeer Review in Science (Part 2)
Human Impacts on Earth.
🎯 Your mission
Learn the rule. Then catch nature using it.
⚡ The twist
Every species solves the same problem differently.
Mind = Blown
🌳 Trees can talk to each other through underground fungus networks.
Make a hypothesis first
Before you watch: what do you think it'll do?
What You'll Learn
Peer review is how scientists check each other's work. Before research is published, other experts evaluate the methods, data, and conclusions to ensure they are valid.
Key Words
- iteration
- wavelength
- frequency
Steps
Look at the vocabulary words and write a definition for each in your own words.
Design and build a bridge from newspaper and tape that can hold a textbook. Test it and redesign to make it stronger.
Use your senses (except taste) to describe what you notice.
Write a summary of your findings in 3-5 sentences.
Check Your Understanding
Question 1
1 of 3What is a prototype?
Where you see this in real life
This is why plants grow toward windows and why scabs form.
Stretch Challenge
Try this in real life this week.
Watch a plant or pet for 5 minutes today and write down what you noticed.
For the dinner table
“Tell me something you noticed about your own body today.”
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 Human Impacts on Earth for 7th Grade
Get the full Human Impacts on Earth track as a printable PDF — all lessons, worksheets, and answer keys.