17
Lesson 17 of 84 ยท Human Impacts on Earth
ExperimentPeer Review in Science
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
Materials Needed
- cups
- aluminum foil
- ruler
Safety First
- Adult supervision recommended.
- Do not taste any materials.
- Wear safety goggles when mixing liquids.
Steps
Step 1 โ Read
Look at the vocabulary words and write a definition for each in your own words.
Step 2 โ Do
Design and build a bridge from newspaper and tape that can hold a textbook. Test it and redesign to make it stronger.
Step 3 โ Observe
Use your senses (except taste) to describe what you notice.
Step 4 โ Record
Write a summary of your findings in 3-5 sentences.
Check Your Understanding
Question 1
1 of 3What is a prototype?
