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
- markers
- popsicle sticks
- pennies
- plastic wrap
Safety First
- Be careful with scissors โ ask an adult for help if needed.
- Do not look directly at the sun or bright lights.
- Clean up spills immediately to prevent slipping.
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?
