Science Quiz

What is the definition of density?

• The mass per unit volume of a given material

• The ability to conduct electricity

• The change in color of a substance

• The smallest particle of an element

Which of the following is a physical property?

• Flammability

• Melting point

• Reactivity

• Gas formation

What is an example of a physical change?

• Burning

• Rusting

• Melting

• Exploding

Which of the following is a chemical property?

• Density

• Color

• Toxicity

• Ductility

What is a chemical change?

• A change in state of matter

• An interaction resulting in new substances

• A change in color only

• A change in size

What is combustion?

• A process of freezing

• A chemical reaction with oxygen producing heat and light

• A method of mixing substances

• A type of physical change

What does luster refer to?

• The ability to be stretched into a wire

• The reflection of light from a surface

• The mass per unit volume

• The smallest particle of a substance

What is a ductile material?

• A material that can be broken easily

• A material that can be stretched into a wire

• A material that reflects light

• A material that changes color

What is an element?

• A mixture of different substances

• A chemical substance made of only one type of atom

• A compound of two or more elements

• A physical change in matter

What is a compound?

• A single element

• A mixture of gases

• A substance composed of two or more elements bonded together

• A physical property