R Physical and Chemical Properties and Changes

Front

What is electrical conductivity?

Back

Electrical conductivity is a measure of how well an electric current can move through a substance.

Front

What is a chemical change?

Back

A chemical change is a change where one or more new substances are created.

Front

What does it mean if a material is brittle?

Back

A brittle material is one that is easily broken, cracked, or snapped.

Front

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

Back

Rust is NOT an example of a physical change; it is a chemical change.

Front

What is an example of a physical property?

Back

An example of a physical property is odor.

Front

What is a physical change?

Back

A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition.

Front

What is malleability?

Back

Malleability is the ability of a substance to be hammered or pressed into thin sheets without breaking.

Front

What is ductility?

Back

Ductility is the ability of a substance to be stretched into a wire.

Front

What is thermal conductivity?

Back

Thermal conductivity is a measure of how well heat can move through a substance.

Front

What is a physical property?

Back

A physical property is a characteristic of a substance that can be observed or measured without changing its identity.