Phy Sci Test 2 - States of Matter, Gas Laws

TRUE or FALSE: In order to change the state of matter, you need increase or decrease the energy (heat).

• TRUE

• FALSE

Phase change from solid to gas is called:

• Freezing

• Condensation

• Vaporization

• Sublimation

Phase change from liquid to solid is called:

• Melting

• Freezing

• Deposition

• Condensation

When changing a substance from liquid to solid, the energy has to...

• INCREASE

• DECREASE

Which of the following statements is NOT true about gases?

• Gases do not have fixed shape or volume

• Gas particles do not move much, but vibrate

• Gas particles have a lot of free space

• Unlike solids, gases can be compressed

Which of the following statements is true about liquids?

• Particles do not move around much, but vibrate

• Particles have a lot of free space and spread out

• Liquids have fixed shape & volume

• Particles are less closely packed than solids

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

• Solid

• Liquid

• Gas

• Blue thingys

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

• Solid

• Liquid

• Gas

• Blue thingys

What is the SI unit use for hydraulic pressure?

• Kg/m³

• Pa

• kg m^-3

• N m²

The upward force exerted by a fluid is called the...

• buoyancy force

• density force

• fluidity force

• normal force