Particles Knowledge Check

What are the three states of matter?

• Solid, Liquid, Plasma

• Solid, Gas, Plasma

• Liquid, Gas, Plasma

• Solid, Liquid, Gas

In which state of matter are the particles closely packed but can flow over one another?

• Liquid

• Gas

• Plasma

• Solid

What property do gases have that solids and liquids do not?

• Definite shape

• Highly compressible

• Definite volume

• Closely packed particles

What is the typical density comparison between gases and solids or liquids?

• Gases have higher density

• Gases have the same density

• Gases have slightly lower density

• Gases have significantly lower density

Why are gases highly compressible?

• Because they have a definite volume

• Because they have a definite shape

• Because there are large gaps between the particles

• Because the particles do not move

What happens to gases when placed in an evacuated container?

• They shrink to a corner

• They dissolve

• They remain the same

• They expand to fill the container

How do the particles in a solid behave?

• They flow over one another

• They move randomly

• They vibrate about fixed positions

• They are widely separated

What distinguishes the density of solids and liquids from gases?

• Solids and liquids are always heavier

• Solids and liquids are incompressible

• Solids and liquids have molecules that are tightly packed

• Solids and liquids cannot change shape