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

Freezing Juice?

Back

Physical Change

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

When you break a cracker into pieces it is a...

Back

Physical change

Front

Photosynthesis is an example of a

Back

chemical change