Science Ch. 7 Test Review

Can mass be created or lost in a chemical change?

• yes

• sometimes

• no

• it has not yet been determined

Tags

NGSS.MS-PS1-5

How many carbon atoms are found in the chemical formula of propane?

• 7

• 12

• 8

• 3

Tags

NGSS.MS-PS1-1

Which are examples of chemical properties?

• length and mass

• ability to burn and rust

• melting point and boiling point

• color and shape

Which is an example of a change of state?

• ice cubes melting

• liquid filling a glass

• paper burning

• exposing a photographic film

Tags

NGSS.MS-PS1-4

What does a change in the chemical properties of a substance result in?

• new substance

• fire

• the same substance

• a change of state

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What moves in and out of a substance during a change of state?

• matter

• mass

• temperature

• thermal energy

Tags

NGSS.MS-PS1-4

What is an example of a chemical change?

• melting

• boiling

• burning

• freezing

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Matter takes up ___ and has ___.

• space;heat

• space;temperature

• heat;temperature

• space;mass

What is an example of a homogeneous mixture?

• salad

• powdered drink mix

• vegetable soup

• pecan ice cream

What is a feature of ALL substances?

• they all share the same boiling point

• they all have the same mass

• they all have the same density

• they all have unique properties