Matter and Its Properties Quiz

What theory explains that all matter is made up of tiny particles in constant motion?

What phase change occurs when a solid turns into a liquid?

What type of change results in the formation of a new substance with different properties?

What phase change occurs when a gas transforms directly into a solid without passing through the liquid phase?

Which state of matter has a definite shape and volume?

Which state of matter has neither a definite shape nor a definite volume?

What type of change alters the appearance of a substance but does not change its chemical composition?

What type of matter consists of two or more substances physically combined?

What type of process absorbs heat energy from its surroundings?

What type of process releases heat energy into its surroundings?