Physical vs Chemical Changes (Part 3)

What You'll Learn

Chemical changes produce new substances with different properties. Signs of a chemical change include color change, gas production, temperature change, and formation of a precipitate.

Key Words

chemical bond
molecular formula

Steps

Step 1 — Read

Read and learn: Chemical changes produce new substances with different properties. Signs of a chemical change include color change, gas production, temperature change, and formation of a precipitate.

Step 2 — Do

Conduct the experiment by following the instructions.

Step 3 — Observe

Draw a picture of what you observe.

Step 4 — Record

Answer the questions based on your data.

Check Your Understanding

Question 1

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What makes a physical change different from a chemical change?