Physical and Chemical Changes Study Guide

What is a Physical Change?

• A change that results in a new substance forming

• A form of matter is changed but no new substance is transformed into another

• A chemical reaction that releases energy

• A characteristic that can be determined by changing the identity of a substance.

What is an Endothermic reaction?

• A chemical reaction that releases energy

• A chemical reaction that gains or absorbs energy

• A change that results in a new substance forming

• A characteristic that can be determined by changing the identity of a substance.

What is a Chemical Property?

• A change that results in a new substance forming

• A characteristic that can be determined by changing the identity of a substance

• A chemical reaction that releases energy

• A form of matter is changed but no new substance is transformed into another.

What is a Chemical Change?

• A change that results in a new substance forming

• A form of matter is changed but no new substance is transformed into another

• A chemical reaction that gains or absorbs energy

• A characteristic that can be determined by changing the identity of a substance.

What is an Exothermic reaction?

• A chemical reaction that releases energy

• A chemical reaction that gains or absorbs energy

• A change that results in a new substance forming

• A characteristic that can be determined by changing the identity of a substance.

What is the Law of the conservation of mass?

• A law that states that mass can be created or destroyed

• A law that states that mass cannot be created or destroyed

• A change that results in a new substance forming

• A form of matter is changed but no new substance is transformed into another.

What is Combustibility?

• Ability for a substance to combust

• Ability to be made into a wire

• Ability to be hammered or bent into different shapes

• A characteristic that can be determined by changing the identity of a substance.

What is Ductility?

• Ability for a substance to combust

• Ability to be made into a wire

• Ability to be hammered or bent into different shapes

• A characteristic that can be determined by changing the identity of a substance.

What is Malleability?

• Ability for a substance to combust

• Ability to be made into a wire

• Ability to be hammered or bent into different shapes

• A characteristic that can be determined by changing the identity of a substance.

What is a Property?

• Ability for a substance to combust

• Ability to be made into a wire

• Ability to be hammered or bent into different shapes

• Characteristic (qualities) of a substance.