Chemical and Physical Changes in Matter

What defines a physical change in a substance?

• A change where a new substance is created.

• A change in which one kind of matter changes into a different kind of matter.

• A change in the size, shape, or state of matter of a substance, without creating a new substance.

• A change that always involves a change in temperature.

Which statement best describes a chemical change?

• A change in the size or shape of a substance.

• A change where one type of matter transforms into a different type of matter.

• A change in the state of matter, such as from solid to liquid.

• A change that does not result in a new substance.

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

• Burning paper.

• Cooking an egg.

• Chopping wood.

• Rusting metal.

What type of change occurs when wood is burned in a fireplace?

• Physical change, because its shape changes.

• Chemical change, because it changes color and releases heat.

• Physical change, because it changes state from solid to gas.

• Neither, as it's a combination of both.