Physical Science - Chemistry Final - 2021

Which of the following are not matter? 

• A pencil
• Water
• Carbon dioxide
• Love

Isotopes of the same element must have different numbers of

• Neutrons
• Protons
• Electrons
• Protons & Electrons

A neutral atom of Chlorine-37 has

•  37 protons, 37 neutrons, and 37 electrons
• 17 protons, 37 neutrons, and 17 electrons
• 17 protons, 20 neutrons, and 37 electrons
• 17 protons, 20 neutrons, and 17 electrons

Tags

NGSS.MS-PS1-1

Salt water is an example of a

• Heterogeneous mixture
• Homogeneous mixture
• Compound
• Element

You would like to use water displacement to determine the volume of an object. If the original volume of the water in the cylinder is 80 mL and after you drop the object in, the water rises to 100 mL, what is the volume of the object? 

• 180 mL
• 100 mL
• 80 mL 
• 20 mL

Tags

NGSS.MS-PS1-2

Ripping paper is an example of a: 

• Physical Change
• Chemical Change
• Density Change

Burning a candle is an example of a: 

• Physical Change
• Chemical Change
• Density Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Where on this graph is only a solid present? 

• A to B
• B to C
• C to D
• D to E

Tags

NGSS.MS-PS1-4

What is happening between D and E? 

• The solid is melting
• The liquid is heating up
• The liquid is beginning to boil
• The gas is heating up

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

At what place on the graph are the molecules moving the fastest? 

• B
• C to D
• D to E
• Above E

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-1