Comparing Our Results (Part 2)

What You'll Learn

Good scientists repeat their experiments to make sure the results are the same each time.

Step 1 — Read

Read the introduction. What is this lesson about?

Step 2 — Do

Build a tower from spaghetti and marshmallows. Measure how tall you can make it.

Step 3 — Observe

Look for something that changed. What is it?

Step 4 — Record

Circle the correct answer on your worksheet.

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Is it okay to make mistakes in science?