P/C Changes Check Up

Front

What results in a substance not transforming into a completely new substance? Options: Physical change, Physical property, Chemical change, Chemical property.

Back

Physical change

Front

Which of the following is an example of a chemical property?

• The basketball is orange.
• The gasoline is flammable.
• The bike is made of metal.
• The slice of cheese is a solid.

Back

The gasoline is flammable.

Front

What is the main difference between a physical change and a chemical change?

Back

Physical changes alter the appearance whereas chemical changes alter the composition of a substance.

Front

When you eat, stomach acid digests the food and breaks it down so that important nutrients can be absorbed and used for energy. This type of digestion is an example of which of the following?

Back

Chemical change

Front

Which of the following is an example of a physical property?

• The bicycle chain is rusty.
• The liquid is transparent.
• The chemicals react when mixed together.
• The bread is moldy.

Back

The liquid is transparent.

Front

What term describes a yellow, solid substance formed when mixing two clear liquids?

Back

Precipitate

Front

What is represented by Example A? Options: Physical change, Physical property, Chemical change, Chemical property

Back

Chemical change

Front

Possible scenario for Example B using observations on the chart: Stirring sugar into a glass of water, Stirring sand into a glass of water, Mixing salt and pepper, Mixing oil and water.

Back

Stirring sugar into a glass of water

Front

Reasonable observation for Example C:

• Light is produced
• Unexpected color change
• A precipitate is formed
• Gas is produced

Back

Gas is produced

Front

Possible scenario for Example D using observations on the chart:

• A metal shovel is left outside and forgotten for months
• Plastic stored in a bucket of water
• A piece of wood decaying
• A silver ring tarnishing

Back

A metal shovel is left outside and forgotten for months