PS.3 Matter

Front

What is matter?

Back

Matter is anything that has mass and takes up space.

Front

What are the three main phases of matter?

Back

Solid, liquid, and gas.

Front

Which phase of matter has a definite shape and definite volume?

Back

Solid.

Front

What is the phase of matter that has no definite shape but has a definite volume?

Back

Liquid.

Front

What is the phase of matter that has neither a definite shape nor a definite volume?

Back

Gas.

Front

What is the Law of Conservation of Matter and Energy?

Back

Matter and energy are neither created nor destroyed; they merely change from one form to another.

Front

What is an endothermic reaction?

Back

An endothermic reaction is a chemical reaction that absorbs heat from its surroundings.

Front

What is an exothermic reaction?

Back

An exothermic reaction is a chemical reaction that releases heat to its surroundings.

Front

What is a chemical bond?

Back

A chemical bond is a lasting attraction between atoms that enables the formation of chemical compounds.

Front

What is a covalent bond?

Back

A covalent bond is a type of chemical bond where electrons are shared between atoms.