Physical and Chemical Changes

Front

Which of the following is a sign that a chemical reaction has occurred? Options: change in shape, melting, formation of a gas, dissolving

Back

formation of a gas

Front

Is melting butter for popcorn a chemical or physical change?

Back

physical

Front

Which of the following is NOT an example of a physical change? Options: crumpled paper, pencil sharpening, shrunken clothing, rust

Back

rust

Front

A change where one or more new substances are created.

Back

Chemical Change

Front

Is change in color a physical change?

Back

False

Front

Fizzing, foaming, and burning are all examples of

Back

Chemical change

Front

Rust on an iron bar is an example of chemical change.

Back

True

Front

Why is a mixture the result of a physical change?

Back

The parts can be separated

Front

Is hammering wood together to build a house a chemical or physical change?

Back

physical

Front

Which is an example of a physical change?

• a candle burning
• baking a cake
• evaporating water
• metal rusting

Back

evaporating water