SCIENCE GRADE 5

Front

What happens to an ice cube when heat is applied?

Back

It melts.

Front

What is the product of combining iron and oxygen?

Back

rust.

Front

What occurs when a chemical change takes place?

Back

New materials are formed.

Front

Is solidification a kind of physical change where solid turns into liquid?

Back

FALSE.

Front

What factors make wood produce fire?

Back

Application of heat and presence of oxygen.

Front

What is a physical change?

Back

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

Front

What is a chemical change?

Back

A change that results in the formation of new chemical substances.

Front

What is oxidation?

Back

A chemical reaction that involves the loss of electrons, often associated with the reaction of a substance with oxygen.

Front

What is the process of melting?

Back

The transition of a substance from solid to liquid due to heat.

Front

What is combustion?

Back

A chemical process in which a substance reacts rapidly with oxygen and releases energy in the form of heat and light.