Fair Tests: Changing One Thing (Part 4)

What You'll Learn

A fair test changes only one thing. If you change two things, you will not know which one made the difference.

Step 1 — Read

Look at the new words. Can you say each one?

Step 2 — Do

Design a boat from foil that can hold the most pennies without sinking.

Step 3 — Observe

Use your senses to describe what you notice.

Step 4 — Record

Write 1-2 sentences about what happened.

1 of 3

What does 'predict' mean?