8th Grade Unit 6, Lesson 2 Practice

Front

What is flammability?

Back

Flammability is the ability of a substance to burn.

Front

What is the difference between a physical and chemical property?

Back

Observing a chemical property results in the creation of a new substance, while observing a physical change does not change the substance.

Front

Which of the following is a chemical property?

Back

Reactivity with water.

Front

What is the melting point of a substance?

Back

The melting point is the temperature at which a substance changes from a solid to a liquid.

Front

Is density a chemical or physical property?

Back

Density is a physical property.

Front

Define a physical property.

Back

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

Front

Define a chemical property.

Back

A chemical property is a characteristic that can only be observed during a chemical reaction, indicating the ability of a substance to undergo a specific chemical change.

Front

What happens to a substance at its boiling point?

Back

At its boiling point, a substance changes from a liquid to a gas.

Front

What is an example of a physical change?

Back

Melting ice is an example of a physical change.

Front

What is an example of a chemical change?

Back

Rusting of iron is an example of a chemical change.