Chemistry 6th Grade

Front

What is the process called when a gas changes directly to a solid?

Back

Deposition.

Front

What is the term for the process of a liquid changing to a gas?

Back

Evaporation.

Front

What do we call the process of a gas changing to a liquid?

Back

Condensation.

Front

Is O2 an element or a compound?

Back

Element.

Front

What is the term for the process when a solid changes directly to a gas?

Back

Sublimation.

Front

What is the definition of a solid?

Back

A state of matter characterized by fixed shape and volume.

Front

What is the definition of a liquid?

Back

A state of matter that has a definite volume but takes the shape of its container.

Front

What is the definition of a gas?

Back

A state of matter that has no fixed shape or volume and expands to fill its container.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of one type of atom, while a compound is made of two or more different types of atoms chemically bonded together.

Front

What happens to the molecules in a substance during evaporation?

Back

The molecules gain energy and move apart, transitioning from a liquid to a gas.