Matter

Hector is standing in a closed room with a balloon filled with helium gas. If Hector pops this balloon, what will happen to the molecules in the helium gas?

• They will condense into a cloud around Hector.

• They will fall to the floor as a structured solid.

• They will expand and flow through the room

• They will flow to the floor and form a puddle.

Tags

NGSS.MS-PS1-2

The liquid in the thermometer rises when it is placed in the hot water because ___________. 

• it gains heat from the hot water and expands.

• loses heat from the hot water and contracts. 

• the surrounding air is too warm. 

• the liquid is boiling. 

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

If 10 grams of water are added to 5 grams of salt, how much salt water will be made?

• 2 grams

• 5 grams

• 10 grams

• 15 grams

Tags

NGSS.MS-PS1-2

A rock weighing 60 g is broken into 2 pieces. What are possible weights for the two pieces of rock?

• 20 g and 20 g

• 30 g and 20 g

• 30 g and 30 g

• 45 g and 10 g

A jeweler melts gold to make jewelry. As the gold melts, the mass

• increases

• decreases

• stays the same

• is destroyed

Tags

NGSS.MS-PS1-4

NGSS.MS-PS1-5

A student notices that an inflated balloon gets larger when it is warmed by a lamp. Which best describes the mass of the balloon as a result of this change?

• The mass of the balloon increases because the size of the balloon has increased.

• The mass of the balloon increases because the temperature of the balloon has increased.

• The mass of the balloon stays the same because the gas inside the balloon still has the same mass after it warms up.

• The mass of the balloon stays the same because warming decreases the mass enough to cancel out the effect of increasing the size.

Tags

NGSS.MS-PS1-4

What is the BEST example of a conductor? 

• A wooden block

• A ceramic mug

• A glass cup

• A metal bowl

What is an example of gas?

• crayons

• paper

• soda

• air

Tags

NGSS.MS-PS1-4

Milk takes the shape of its container because it is a:

• solid

• liquid

• gas

Tags

NGSS.5-PS1-3

Occurs when substances are heated causing the particles to move more rapidly and spread apart which increases its volume.

• Contraction

• Expansion

• Heat Transfer

• Conduction

Tags

NGSS.MS-PS1-4