What Scientists Do

What You'll Learn

A prediction is a guess about what will happen. Good scientists make predictions before testing.

Step 1 — Read

Read and learn: A prediction is a guess about what will happen. Good scientists make predictions before testing.

Step 2 — Do

Measure using your ruler or measuring cup.

Step 3 — Observe

Watch carefully. What happens?

Step 4 — Record

Draw and write about what you learned.

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What does 'observe' mean?