Science Fusion Unit 13 test on Matter

What is the term for the amount of space something takes up?

• matter

• density

• volume

• temperature

Which is the best description of what happens during a chemical reaction?

• A substance goes through a chemical change

• The physical properties of a substance are changed.

• A new substance is formed during a chemical change.

• The type of matter in the substance remains unchanged.

Which term means “a combination of two or more substances that keep their identities”?

• matter

• mixture

• solution

• compound

What term is used to identify a mixture that has the same composition throughout?

• liquid

• element

• solution

• compound

Which term names the type of matter made of just one kind of atom?

• solid

• element

• molecule

• compound

Which term names a substance formed by two or more types of atoms that are chemically combined?

• matter

• mixture

• solution

• molecule

Which term or phrase best describes what happens when a tomato rots?

• physical change

• chemical change

• conservation of mass

• formation of a compound

There are different characteristics for each of the states of matter. Which statement describes a difference between liquids and solids?

• Temperature can change a solid to a liquid, but it cannot change a liquid to a solid.

• Solids have a definite volume and liquids do not have a definite volume.

• The particles in a solid are much closer together than the particles in a liquid.

• Solids take on the shape of their containers and liquids maintain their own shapes.

How does water change as it evaporates?

• Its mass and volume decrease.

• Its mass and volume increase.

• Its mass remains unchanged. Its volume increases.

• Its mass increases. Its volume remains unchanged.

A magnet can separate what type of mixture?

• a solution of two solids

• a mixture of particles with different densities

• a mixture of particles of different sizes

• a mixture of magnetic and nonmagnetic items