Sem 2 Test 1 Review

What would be the effect on the particles if more heat is supplied to the system?

• They would slow down
• They would stop moving
• They would speed up
• There would be no effect

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Thermal energy ALWAYS moves from _____ to _____.

• solid to liquid
• ice to water
• hot to cold
• solid to gas

Tags

NGSS.HS-PS3-4

If the specific heat of water is 4,186 J/kg∙°C, how much heat is required to increase the temperature of 1.2 kg of water from 23 °C to 39 °C? 

• -80,371.2
• 44,938.6
• 80,371.2
• 112,575.9

Tags

NGSS.HS-PS3-4

For a skillet, used for cooking, do you want a high or low specific heat

• High, so that it will need more energy to heat up
• Low, so that it will change temperature quickly

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

The symbol for specific heat is .......

• c
• Q
• m
• t

How many Joules of energy are required to make 100 grams of ice at 0 ^οC completely melt?

• 200 J
• 400 J
• 30,000 J
• 2,000,000 J

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The unit Joules is for ___________

• heat energy
• temperature
• specific heat

Tags

NGSS.HS-PS3-4

A high specific heat means...

• It heats up quickly with energy added
• It requires more energy to change temperature

The graph shows the cooling curve of a substance.
The specific latent heat released at stages?

• CD and FG
• DE and EF
• EF and FG
• DE and FG

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-4

A metal cube at temperature of 10°C immersed in a liquid at temperature of 70°C.
What is the temperature of the metal cube when thermal equilibrium is achieved between the cube and the liquid?

• Between 10°C and 70°C
• More than 70°C
• Less than 10°C
• Same as the room temperature

Tags

NGSS.HS-PS3-4