Phases of Matter

We can increase the pressure of a gas by:

• Not changing the temperature of the gas

• Decreasing the temperature of the gas

• Increasing the temperature of the gas

Tags

NGSS.MS-PS1-4

Look at the picture. Which state of matter is in beaker C?

• Solid

• Liquid

• Gas

Tags

NGSS.MS-PS3-4

Liquid has a definite ___________, but a variable _____________.

• shape, volume
• mass, area
• smell, taste
• volume, shape

Tags

NGSS.MS-PS1-4

Scientists most often measure the volume of a fluid in __________.

• milliliters and liters
• degrees Celsius
• millimeters, centimeters, meters and kilometers
• grams and kilograms

What does STP refer to in the context of common gases?

• Scientifically Treated Petroleum

• Standard Temperature and Pressure

• Standard Time and Place

Tags

NGSS.MS-PS1-4

What causes gas pressure?

• Gas molecules colliding with each other and the walls of the container

• Gas molecules not moving

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

NGSS.MS-PS3-5

How do gas molecules move?

• In an orderly fashion

• Constantly and randomly

• In a circular motion

Tags

NGSS.MS-PS1-4

True or False: Gases can be compressed.

• True

• False

Tags

NGSS.MS-PS2-5

Which container has lower pressure?

• Left

• Right

• Both have the same pressure

What is the difference between particles in a gas and a solid?

• Gas particles are closer together.

• Solid particles move faster than gas particles.

• Solid particles expand on heating.

• Gas particles have more kinetic energy than solid particles.

Tags

NGSS.MS-PS1-4