A cup of hot coffee is left in a cooler room. What will eventually happen to the temperature of the coffee?

It will become the same temperature as the room

It will become hotter than the room

Which statement best describes the relationship between temperature and kinetic energy?

Higher temperature means higher kinetic energy

Higher temperature means lower kinetic energy

Temperature and kinetic energy are not related

Kinetic energy only exists at low temperatures

If you place an ice cube in a glass of warm water, what will happen to the temperature of the water and the ice cube over time?

The water will get colder and the ice will get warmer until both are the same temperature

The water will get warmer and the ice will get colder

The ice will stay frozen and the water will stay warm

A student heats two different substances to the same temperature. Which substance has particles with greater kinetic energy?

Both have the same kinetic energy

The one with the higher temperature

The one with the lower temperature

Which scenario best demonstrates convection?

Warm air rising and cool air sinking in a room

A metal rod heating up at one end

If you touch a cold window on a winter day, why does your hand feel cold?

Heat flows from your hand to the window by conduction

Cold flows from the window to your hand by convection

Radiation from the window cools your hand

Why does a substance at a higher temperature have particles that move faster?

Because temperature is a measure of the average kinetic energy of particles

Because the particles are larger

Because the substance is heavier

A hot object is placed in a cooler room. What will happen to the thermal energy of the object over time?

It will decrease as energy is transferred to the room

It will increase as energy is absorbed from the room

If two substances are at the same temperature, what can you say about the average kinetic energy of their particles?

It is the same for both substances

It is higher in the heavier substance

It is lower in the lighter substance

It depends on the color of the substances

Which of the following best explains why you feel warm when standing near a campfire?

Heat is transferred to you by radiation

Heat is transferred to you by conduction

Heat is transferred to you by convection

Heat is transferred to you by insulation

A student observes that when a metal spoon is placed in hot soup, the handle becomes warm after a few minutes. Explain the process responsible for this observation.

The heat from the soup is transferred through the spoon by conduction, causing the handle to warm up.

The heat from the soup is transferred through the spoon by convection, causing the handle to warm up.

The heat from the soup is transferred through the spoon by radiation, causing the handle to warm up.

The heat from the soup is transferred through the spoon by insulation, causing the handle to warm up.

A teacher places a hot metal block in a container of cold water. Predict and explain what will happen to the temperature of both the block and the water over time.

The block will cool down and the water will warm up until both reach the same temperature, demonstrating thermal equilibrium.

The block will stay hot and the water will stay cold.

The block will get hotter and the water will get colder.

The block and water will both freeze.

A student compares two samples of water: one at $$20^\circ$$ C and one at $$80^\circ$$ C. Which sample has particles with greater average kinetic energy, and why?

The $$80^\circ$$ C sample, because higher temperature means higher average kinetic energy of particles.

The $$20^\circ$$ C sample, because lower temperature means higher average kinetic energy of particles.

Both have the same average kinetic energy.

The sample with more water has greater kinetic energy.

Explain why a metal bench feels colder than a wooden bench on a cold day, even though both are at the same temperature.

Metal conducts heat away from your body faster than wood, so it feels colder.

Wood conducts heat away from your body faster than metal, so it feels colder.

Metal is always colder than wood.

Wood is always warmer than metal.

A student places a cold can of soda on a warm table. Describe the direction of thermal energy transfer and predict what will happen over time.

Thermal energy will move from the table to the can until both reach the same temperature.

Thermal energy will move from the can to the table until both reach the same temperature.

The can will get colder and the table will get warmer.

A scientist increases the temperature of a gas in a sealed container. Explain what happens to the motion of the gas particles.

The particles move faster because their kinetic energy increases with temperature.

The particles move slower because their kinetic energy decreases with temperature.

The particles move at the same speed.

A student places a hand above a hot lamp and feels warmth. Which method of heat transfer is responsible, and why?

Radiation, because heat travels through empty space from the lamp to the hand.

Conduction, because heat travels through the air.

Convection, because warm air rises.

Insulation, because the lamp is covered.

A student mixes equal amounts of hot and cold water in a cup. Predict the final temperature and explain the process.

The water will reach a temperature between the two starting temperatures as thermal energy moves from hot to cold until equilibrium is reached.

The water will stay separated, with hot on top and cold on bottom.

The water will become colder than the cold water.

The water will become hotter than the hot water.

Explain why increasing the temperature of a substance increases the average kinetic energy of its particles.

Temperature is a measure of the average kinetic energy, so as temperature increases, so does the kinetic energy.

Temperature is unrelated to kinetic energy.

Kinetic energy decreases as temperature increases.

Kinetic energy only changes if the substance changes state.

A student observes that a metal spoon left in a pot of hot soup becomes hot at the handle. Describe the process and explain why this happens.

Heat is transferred from the soup to the spoon by conduction, causing the handle to become hot.

Heat is transferred from the soup to the spoon by convection, causing the handle to become hot.

Heat is transferred from the soup to the spoon by radiation, causing the handle to become hot.

Heat is transferred from the soup to the spoon by insulation, causing the handle to become hot.

EQ: What are the methods of thermal energy transformation? What is conduction? <- (Example)

heat or electricity is directly transmitted through a substance

use energy electromagnetc (waves sun)

have tempratures warms/high temperatures

Thermal Energy Transfer

Quiz

•

Science

•

7th Grade

•

Practice Problem

•

Medium

•

TEKS.SCI.7.8A, NGSS.MS-PS1-4, TEKS.SCI.7.8B

+3

Standards-aligned

Convection

Radiation

Insulation

Tags

TEKS.SCI.7.8A

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Which method of thermal energy transfer requires direct contact between particles?

What is the process called when heat moves from a hot object to a cold object until both are the same temperature?

What happens to the kinetic energy of particles in a substance as its temperature increases?

Which of the following is an example of heat transfer by radiation?

When a hot metal rod is placed in cold water, in which direction does the thermal energy flow?

If the temperature of a gas increases, what happens to the speed of its particles?

Which method of thermal energy transfer occurs mainly in fluids (liquids and gases)?

A cup of hot coffee is left in a cooler room. What will eventually happen to the temperature of the coffee?

Which statement best describes the relationship between temperature and kinetic energy?

Which of the following is NOT a method of thermal energy transfer?

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