Peer Review in Science (Part 2)

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

design
constraint
criteria

Materials Needed

ruler
markers
popsicle sticks
pennies
plastic wrap
cardboard

Safety First

Be careful with scissors — ask an adult for help if needed.

Steps

Step 1 — Read

Look at the vocabulary words and write a definition for each in your own words.

Step 2 — 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 — Observe

Use your senses (except taste) to describe what you notice.

Step 4 — Record

Write a summary of your findings in 3-5 sentences.

Check Your Understanding

Question 1

1 of 3

What is a prototype?