Part I: Unit 7 PPT Review Lesson

Multiple Choice

Matter is made up of tiny particles called

• atoms.

• dust.

• air.

• none of the answers are correct

Multiple Choice

Who discovered particle motion?

• Robert Brown

• John Dalton

Multiple Choice

A single atom is the smallest particle of element that retains the ___ identity of the element.

• chemical

• physical

• overall

• none of the answers are correct

Multiple Choice

Elements are the purest form of matter.

• This is a TRUE statement.

• This is a FALSE statement.

Multiple Choice

Each element has a unique type of atom.

• This is a TRUE statement

• This is a FALSE statement

Multiple Choice

A __ is a substance that contains two more different elements chemically joined and that has the same composition throughout.

• Atoms

• Compounds

• Molecules

Multiple Choice

A __ is a group of two or more atoms joined by chemical bonds.

• atom

• element

• molecule

Multiple Choice

A compound is made up of __ type of molecule.

• only one

• more than one

Multiple Select

Mixtures contain more than one kind of

• atom

• compound

• molecule

• mixture

Multiple Choice

Temperature is the measure of the ___ energy of individual atoms.

• kinetic

• potential

• total

Multiple Choice

Atoms in a __ material act like they are connected by springs.

• solid

• liquid

• gas

• plasma

Multiple Choice

When the temperature goes up, the energy of motion ___ and the atoms move around more vigorously.

• increases

• decreases

Multiple Choice

Each atom in an objects are jiggling back and forth independently of the other atoms in the object.

• This statement is FALSE

• This statement is TRUE

Multiple Choice

__ motion is motion that is scattered equally in ALL directions.

• Average

• Random

Multiple Choice

The __ the temperature, the ___ the random kinetic energy of each atom.

• higher/lower

• higher/higher

• lower/higher

• lower/lower

Open Ended

List the three phases of matter:

Multiple Choice

When particles are close together, they are attracted through ___ forces.

• interconnected

• intramolecular

• intermolecular

Multiple Choice

___ point is the temperature at which a substance changes from a SOLID to a LIQUID.

• boiling

• equilbrium

• melting

Multiple Choice

It takes __ to break the bonds created by intermolecular forces.

• energy

• time

• mass

Fill in the Blank

Absolute zero is the ___ achievable temperature in the Universe.