Pressure and Temperature

Why does water boil at a lower temperature on Mars?

• Because of its high gravity

• Due to its thin atmosphere and low pressure

• Because of high temperatures on the surface

• Due to its proximity to the Sun

What makes it difficult to observe liquid water on Mars?

A ______ cooker uses high pressure to cook food quickly.

___________is the result of the weight of a column of air pushing on an area.

• air pressure

• density

• volume

• none of the above

Air pressure is greatest when near Earth's surface because?

• The air molecules are farther apart.

• The air molecules are closer together.

• Air molecules collide.

• Air molecules are tightly packed.

Cold air exerts _____________ pressure than warm air.

• the same

• more

• less

Tags

NGSS.MS-ESS2-5

The size of an inflate balloon would get _______ inside a very cold freezer.

• extremely inflated

• extremely hot

• bigger

• smaller

Tags

NGSS.MS-PS1-4

The kinetic energy of the gas molecules would be _____ in a low temperature environment.

• much higher than expected

• the same as

• lower

• higher

Tags

NGSS.MS-PS1-4

When liquids turn into gases, molecules must _______.

• lose mass

• gain kinetic energy

• lose energy

• stay together as one strong unit of materials

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

What happens to the boiling point of water as atmospheric pressure decreases?

• It increases

• It decreases

• It remains the same

• It fluctuates unpredictably