Comparing Our Results (Part 2)

What You'll Learn

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

Use materials only as directed in the experiment.
Keep small objects away from young children.
Work in a well-ventilated area when using vinegar or other strong-smelling substances.

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?