5.4 Matter

Which of the diagrams best shows the arrangement of molecules in a solid? 

• A
• B
• C
• D

Tags

NGSS.MS-PS1-1

Gallium is a metal that melts at about 30°C. If a person, whose body temperature is 37°C, held a cube of gallium for five minutes, what will most likely happen to the gallium?

• It will change to a gas.
• It will change to a liquid.
• It will become a solution.
• It will become a mixture.

Tags

NGSS.MS-PS1-4

What will happen if the lid is removed from a container that holds helium gas?

• The gas will expand and escape from the container. 
• The gas will slowly change back into a liquid.
• When light hits the gas, it will change colors.
• Gravity will keep the gas in the container.

Tags

NGSS.MS-PS1-4

When ice cream is left out of a freezer, the ice cream changes from a —

• solid to a gas
• gas to a liquid
• solid to a liquid
• liquid to a gas

Tags

NGSS.MS-PS1-4

The smallest part of matter that is identifiable as an element is the —

• atom 
• molecule
• cell
• compound

Tags

NGSS.MS-PS1-1

Which of these shows how frozen water changes as the temperature of the air increases?

• Gas → liquid → solid
• Solid → gas → liquid
• Liquid → gas → solid
• Solid → liquid → gas

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The process shown would be classified as —

• precipitation
• condensation
• transpiration
• evaporation

Tags

NGSS.MS-PS1-4

NGSS.MS-ESS2-4

Which of these will change solid iron to a liquid?

• Raising the air pressure
• Increasing its temperature
• Crushing the solid iron
• Adding water to the iron

Tags

NGSS.MS-PS1-4

Which of these is a mixture?

• Salt
• Water
• Lemonade
• Sugar

People put sugar in their tea to make it sweet. The sugar will dissolve fastest when the tea —

• is hot 
• is cold
• is in a tall glass
• has lemon in it

Tags

NGSS.MS-PS1-4