What is matter defined as?

• Substances that can change states

• Objects that are visible

• Only liquids and gases

• Anything that occupies space and has mass

What property do solids have?

• Definite volume but no definite shape

• No definite volume or shape

• Only definite shape

• Definite volume and shape

How are the atoms in a solid arranged?

• Closely packed and slightly vibrating

• Loosely packed and stationary

• Spread out and moving quickly

• Randomly arranged with no movement

How do solids respond to outside forces?

• They evaporate

• They change shape and volume easily

• They maintain their shape and volume unless acted upon

• They expand to fill the container

What characteristic allows liquids to flow?

• Atoms can slide past each other

• Atoms are stationary

• No definite volume

• Definite shape

Which of the following is a property of liquids?

• Definite volume and shape

• No definite volume but definite shape

• Definite volume but no definite shape

• No definite volume or shape

Why do gases have no definite shape or volume?

• Their atoms are tightly packed

• They are always in a solid state

• They only exist in closed containers

• Their atoms are very spread out and move quickly

What happens to the atoms in a gas?

• They vibrate slightly but stay in place

• They align in a fixed pattern

• They move quickly and are spread out

• They are packed closely and move slowly

What state of matter is the sun primarily composed of?

• Plasma

• Gas

• Solid

• Liquid

What causes a substance to be in the plasma state?

• Freezing it below 0°C

• Compressing it under high pressure

• Adding a lot of heat

• Mixing it with another substance