Physics Form 4 Chapter 4: Heat

The condition where two substances in physical contact with each other exchange no heat energy. They are said to be the same temperature.

• Thermal Energy

• Cooler to Warmer

• Energy Transfer

• Thermal Equilibrium

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NGSS.MS-PS1-4

What happens to the temperature if I add ice cubes to a glass of soda

• The heat transfers from the coke to the ice

• The heat transfers from the ice to the coke

• Heat will not transfer

• Heat transfer with both direction

After taking a hot shower, James steps out of the shower onto the tile floor. The tile felt cold to his feet. Which explanation below best describes James' experience?

• Heat from his feet is transferred to the tile floor
• Heat from the tile floor is transferred to his feet
• Cold from the tile floor is transferred to his feet
• Cold from his feet is transferred to the tile floor

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

Temperature is a measure of the...

• total energy in a substance
• total kinetic energy in a substance
• average potential energy in a substance
• average kinetic energy of molecules in a substance

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

High temperature is connected to:

• Low kinetic energy.
• High kinetic energy.
• Zero net energy.
• Equal kinetic energies.

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is 0^oC in Kelvin?

• 110 K
• 100 K
• 273 K
• 210 K

Eugene uses an uncalibrated laboratory thermometer to determine the temperature of a liquid. Calculate the temperature of the liquid

• 13.3

• 23.3

• 51.4

• 43.3

The sensitivity of a liquid-in-glass thermometer can be increased by

• having a thick-walled bulb

• increasing the diameter of the column

• decreasing the size of the bulb

• increasing the length of the column

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NGSS.MS-PS3-3

NGSS.MS-PS3-4

Two objects, V and W, touching each other. The initial temperature of V and W are 90°C and 80°C respectively.
Which statement is correct when V and W are at thermal equilibrium?

• Net rate of heat flow between V and W is zero
• Rate of change in temperature of V is bigger then that of W
• Temperature of V is higher than W
• The quantity of heat in V is the same as in W

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

20 g of water. specific heat of water is 4.18 J/g°C. temperature changes from 25° C to 20° C, how much heat energy (Q) moves from the water to the surroundings?

• 418 J

• 209 J

• 83 J

• 4.18 J