Science Quiz

What does it mean for a substance to dissolve?

• To change from a solid to a gas

• To break apart and spread evenly in a liquid

• To sink to the bottom of a container

• To become heavier when mixed with water

Which of the following is an example of a physical property?

• Flammability

• Reactivity with acid

• Density

• Ability to rust

Which term describes a material that is made up of only one type of atom or molecule?

• Mixture

• Reactant

• Substance

• Solution

If a substance cannot dissolve in a liquid, it is called:

• Soluble

• Insoluble

• A reactant

• A product

What does the term “soluble” mean?

• Able to dissolve in a liquid

• Unable to burn

• Able to float on water

• A type of chemical reaction

Which of the following is NOT a state of matter?

• Solid

• Liquid

• Gas

• Density

Density measures:

• The weight of an object

• The volume of an object

• The mass per unit volume of a substance

• The temperature of a substance

Flammability describes:

• How easily a substance burns

• Whether a substance is a liquid or gas

• How dense a substance is

• If a substance is soluble in water

What is the smallest unit of matter?

• Molecule

• Atom

• Compound

• Mixture

A molecule is:

• The smallest unit of an element

• A group of atoms bonded together

• The same thing as an atom

• A type of physical property