Physical and Chemical Changes and Properties

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

Is bleaching your hair a physical or chemical change?

Back

chemical

Front

Is burning wood a chemical or physical change?

Back

chemical

Front

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

Back

physical

Front

A change in the size, shape, or state of matter.

Back

physical change

Front

Which of the following is NOT an example of a physical change? crumpled paper, pencil sharpening, shrunken clothing, sour milk

Back

sour milk

Front

Kim puts an ice cube in a beaker and it melts. This is a good example of:

Back

a physical change.

Front

Photosynthesis is an example of a

Back

chemical change

Front

When you break a cracker into pieces it is a

Back

Physical change