Temperature and heat

How heat is transfered?

• From high to low temperature
• From low to high
• Up to down
• Left to right

Tags

NGSS.HS-PS3-4

The amount of heat required to raise the temperature of one gram of a substance by one degree Celsius is ________

• Heat energy
• Specific heat
• convection
• thermal energy

Heat is defined as

• the transfer of thermal energy from one object to another due to temperature difference

• the temperature of a solid, liquid, or gas

• The kinetic energy of a solid, liquid, or gas.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

THE ENERGY THAT AN OBJECT BECAUSE OF ITS MOTION

• KINETIC ENGERGY
• THERMAL ENERGY

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

As part of a lab experiment, Tasha drops a metal cube into a beaker of water, as shown in the figure below.

After energy in the form of heat transfers between the substances, what is the final temperature of the water?

• The final temperature is 25 °C because there is more water than metal.

• The final temperature is 50 °C because the metal warms the water to the temperature of the metal.

• The final temperature is between 25 °C and 50 °C because energy is transferred from the metal to the water.

• The final temperature is between 25 °C and 50 °C because most of the thermal energy is lost to the air around the substances.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

When you touch something that feels cold, 

• heat from your hand moves into the cold substance.
• coldness moves from the cold substance into your hand.
• it melts.
• it freezes.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Heat loss causes matter to ________. Heat gain causes matter to ________.

• contract ; expand

• expand ; contract

• stay ; change

• change ; stay

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A device that measures temperature. 

• Thermal energy
• Temperature
• Thermometer
• Heat

The faster molecules move, 

• the higher the temperature
• the less temperature
• the same temperature
• I don't know

Tags

NGSS.MS-PS1-4

What substance doesn't obey Thermal expansion?

• Mercury

• Water

• Ethanol

• Milk