particles Ace

What does the particle theory explain?

• The process of photosynthesis

• The history of chemical reactions

• The properties of solids, liquids, and gases

• The structure of DNA

What cannot be easily compressed?

• Vacuum

• Solids and liquids

• Plasma

• Gases

What can flow and take the shape of their container?

• Liquids

• Solids

• Both liquids and gases

• Gases

What has a fixed volume but no fixed shape?

• Solids

• Gases

• Plasma

• Liquids

What can be compressed because their particles are far apart?

• Gases

• Liquids

• Solids

• Both liquids and solids

What has no fixed shape or volume?

• Ions

• Solids

• Gases

• Liquids

What cannot flow because their particles cannot move from place to place?

• Plasma

• Gases

• Liquids

• Solids

What is a general term for a small piece of matter?

• Molecule

• Ion

• Particle

• Atom

What is the smallest part of an element that can exist?

• Ion

• Molecule

• Atom

• Particle

What happens to particles when they are heated?

• They speed up and expand

• They slow down and contract

• They slow down and compress

• They slow down and expand