7 Ch 1 Review

What is the scientific term for 'stuff'?

• Molecules

• Particles

• Atoms

• Matter

What is the basic building block of all matter?

• Atoms

• Molecules

• Substances

• Particles

How many hydrogen atoms lined up next to each other would go from one side of a period to the other?

• 1 billion

• 100 million

• 10 million

• 1 million

What is the number of water molecules in about 1 tablespoon of water?

• 600 million trillion

• 600 billion trillion

• 600 trillion billion

• 600 billion million

What is the term for the theory that states matter is made up of tiny particles called atoms and molecules?

• Atomic theory

• Molecular theory

• Kinetic-molecular theory

• Particle theory

In which state of matter are the atoms or molecules barely attracted to one another?

• Liquids

• Plasmas

• Solids

• Gases

Which state of matter has a definite volume but does not have a definite shape?

• Solids

• Plasmas

• Gases

• Liquids

What happens to the metal ball when it is heated sufficiently?

• It changes color

• It becomes magnetic

• It contracts

• It expands

What happens to a bubble on top of a bottle when the bottle is cooled?

• It shrinks and may go inside the bottle

• It grows bigger

• It pops

• It stays the same size

What causes a bubble to form on the bottle when it is heated?

• The bottle expands

• The molecules spread out quickly and easily

• The bubble film gets pushed out by the outside air

• The molecules hit the inside of the bubble film harder and more often