Physical and Chemical Changes

Front

What is an example of a Chemical change? Options: Ripped paper, boiled egg, cracked egg, sugar in water

Back

boiled egg

Front

What characteristic defines all chemical changes?

Back

A new material is formed.

Front

Which is a physical change? Options: burning match, vinegar in baking soda, melting butter, cooking an egg

Back

melting butter

Front

Liv lit a match and said it was a physical change. Is she correct?

Back

No

Front

What can you do to an egg for a chemical change?

Back

You can cook the egg.

Front

Chemical property of water? Options: Reacts with pure sodium., Boils at 100 ^oC., Dissolves sugar easily., Has a density of 1 gm/mL

Back

Reacts with pure sodium.

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

Which of the following is NOT an example of a physical change? Options: 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