Types of Matter Quiz

What are the two main categories of matter?

• Solids and Liquids

• Gases and Plasmas

• Elements and Compounds

• Pure Substances and Mixtures

What defines a pure substance?

• It is a mixture of elements.

• It is made of multiple substances.

• It is composed of only one kind of substance.

• It is always a liquid.

Which of the following is an example of a pure substance?

• Sand and water

• Oxygen gas

• Saltwater

• Oil and water

What makes water a compound?

• It is a mixture of gases.

• It is composed of two different elements.

• It is a single element.

• It is a homogeneous mixture.

Which of the following is NOT a compound?

• Helium

• Ethanol

• Carbon dioxide

• Sodium chloride

What is a mixture?

• A pure substance

• A single element

• A compound

• Two or more pure substances combined

What characterizes a homogeneous mixture?

• It is a single element.

• It has a uniform composition.

• It has distinct layers.

• It is always a solid.

Which of the following is an example of a homogeneous mixture?

• Salt and water

• Sand and water

• Iron and sulfur

• Oil and water

What happens when you mix oil and water?

• The oil dissolves in the water.

• They become a homogeneous mixture.

• They do not mix and form distinct layers.

• They form a uniform solution.

Why does oil float on water?

• Oil is denser than water.

• Oil has a lower density than water.

• Oil and water mix uniformly.

• Oil is a homogeneous mixture.