Conduction happens as energy flows from a warmer object to a cooler object. When will the flow of energy stop?

when the two objects have the same temperature

when the two objects are both warm

when the warmer object reaches its freezing point

when the warmer object no longer has thermal energy

Which of the following is required for conduction to happen between two parts of Earth’s geosphere?

There must be contact between the two parts.

The two parts must have the same temperature.

The two parts must both be either liquids or gases.

There must be either a gas or a liquid circulating or flowing.

Which statement is not true about conduction?

It can transfer energy through empty space.

It involves a transfer of energy in the form of heat.

It requires direct contact between the objects.

It results in a change of temperature in both objects.

Which statement best describes how this cold air is warmed by conduction ?

Energy is transferred to the air touching the ground.

Cold air sinks to the ground and then pushes the warm air up.

Energy flows from the cold air down to the warm ground.

The air absorbs the energy that flows up from the ground.

Which of the following is an example of conduction ?

Magma warms a rocks with which it comes in contact.

Warm air in the atmosphere rises higher.

Solar energy warms rocks on Earth’s surface.

Cool ocean water sinks below warm ocean water.

Which of the following causes the effect represented by the cold water arrow?

Cold water is more dense than warm water.

Cold water is less dense than warm water

Cold water contains less salt than warm water.

Cold water contains more salt than warm water.

A solid rock is sitting on the ground. Which statement best describes the particles that make up the rock?

vibrating, but not changing place

constantly sliding over each other

always moving from place to place

Liang is warming a pot of soup on the stove. How is the motion of the particles in the soup different after the temperature of the soup increases?

They vibrate and are close together.

How is the liquid water, as it is warming, different from the ice?

The average kinetic energy of the ice particles is lower.

The freezing point of the ice is lower.

The temperature of the liquid water is lower.

The motion of the particles that make up the water is slower.

In what way is the ice different from the water vapor that forms after the water begins to boil?

The vapor particles have more energy.

The ice has a lower boiling point.

The vapor particles move slower.

The ice has a higher temperature.

In what way is the liquid water different from the water vapor?

The liquid particles move slower.

The liquid has a higher boiling point.

The vapor has a lower temperature.

The vapor particles have more energy.

Lisa has a bottle of water. How can she increase the thermal energy of the water?

She can increase the temperature of the water.

She can pour the water into a larger bottle.

She can place the bottle of water in the refrigerator.

She can divide the water between two identical containers.

These two beakers contain the same liquid substance at the same temperature . How does the thermal energy of the liquid in the larger beaker compare to the thermal energy of the liquid in the smaller beaker?

The liquid in the larger beaker has more thermal energy than the liquid in the smaller beaker.

The liquid in the larger beaker has less thermal energy than the liquid in the smaller beaker.

The liquid in the larger beaker has the same amount of thermal energy as the liquid in the smaller beaker.

The exact volume of liquid in each beaker must be known to compare the thermal energy of the liquids.

Which description defines heat?

energy transferred between objects at different temperatures

total thermal energy of an object or substance

change in the temperature of a substance in degrees Celsius

average kinetic energy of the particles that make up a substance

Sarah heated two cubes of aluminum to 50 °C. Cube A has a volume of four cubic centimeters. Cube B has a volume of two cubic centimeters. If the cubes do not touch each other, which of these statements is true?

Cube A has more thermal energy than cube B.

Cube A has a higher temperature than cube B.

Cube B has a higher temperature than cube A.

Cube B has more thermal energy than cube A.

As part of a lab experiment, Tasha drops a metal cube into a beaker of water, as shown in the figure. After energy in the form of heat transfers between the substances, what is the final temperature of the water?

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

Kito puts his spoon into a helping of fresh, hot, mashed potatoes as shown in the figure below. Which process takes place when the two objects come together?

Energy in the form of heat is transferred from the warmer mashed potatoes to the cooler spoon.

The temperature of the spoon increases, but its thermal energy does not change.

The thermal energy of both the mashed potatoes and the spoon increases as energy in the form of heat is transferred between them.

The average temperature of the spoon does not change.

Which is an example of convection currents?

a radiator emitting warm air and drawing in cool air

marshmallows toasting over a campfire

a pot being heated by an electric burner

feet getting hot when stepping across the sand

Nuclear reactions in a reactor produce a lot of thermal energy. That energy then flows and warms up water, which boils and produces steam. The steam then turns turbines that generate electricity. Which statement below can be made about the production of electricity in a nuclear reactor?

Heat flows from the reactor to the water.

Heat flows in the form of electricity.

A stovetop burner on medium reaches 95°C. Which will also receive a flow of heat directly from the burner?

a burner at the same temperature

Which best describes the direction of heat?

from a warmer substance to a cooler substance

from a substance with no thermal energy to a substance with high amounts of thermal energy

from a substance with less thermal energy to a substance with more thermal energy

from a cooler substance to a warmer substance

If a cup of coffee is at 90°C and a person with a body temperature of 36°C touches it, how will heat flow between them?

from the cup to the surrounding air

from the hand to surrounding air

What must be true about two objects if heat is flowing between them?

The objects must be at the same temperature.

The objects must be at different temperatures.

The objects must both be over room temperature.

The objects must both be under room temperature.

Which best compares the temperatures of the substances?

Substance X has the highest temperature because its particles have more kinetic energy.

Substance X has the highest temperature because it has fewer particles.

Substance Y has the highest temperature because its particles have more kinetic energy.

Substance Y has the highest temperature because it has more particles.

Which best describes thermal energy?

It is the portion of internal energy that can be transferred from one substance to another.

It is the difference between the internal energies of two or more substances.

It is the sum of the internal energies of two or more substances.

It is the portion of potential energy that can be transferred from one substance to another.

Heat & Temperature 🌡

Authored by Lisa Nieves

Science

7th Grade

NGSS covered

Used 77+ times

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

Vivian placed an ice cube in a tray of warm water. The following picture shows her investigation. Which statement describes the energy transfer?

Energy in the form of heat is transferred from the ice cube to the water by radiation.

Energy in the form of heat is transferred from the water to the ice cube by radiation.

Energy in the form of heat is transferred from the ice cube to the water by conduction.

Energy in the form of heat is transferred from the water to the ice cube by conduction.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A warm rock is in contact with the cooler ground. Which of the following will happen?

Energy in the form of heat will flow from the rock to the ground, and the temperature of the rock will increase.

Energy in the form of heat will flow from the ground to the rock, and the temperature of the rock will increase.

Energy in the form of heat will flow from the rock to the ground, and the temperature of the rock will decrease.

Energy in the form of heat will flow from the ground to the rock, and the temperature of the rock will decrease.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which term is best defined as a measure of how hot or cold something is?

heat

temperature

kinetic energy

thermal energy

Tags

NGSS.MS-PS3-4

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Kumar is studying how plant growth is affected by the temperature of the soil. The following picture shows his experiment.
Which of the following processes is mainly responsible for warming the soil?

conduction

convection

expansion

radiation

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-3

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A science class is studying how Earth’s surface is warmed by sunlight. The following diagram is a model of part of the investigation.
How is energy transferred from the lamp to the soil?

by warm air sinking

by electromagnetic waves

by cooler air rising from the soil

by direct transfer of energy from the lamp to the soil

Tags

NGSS.MS-ESS2-1

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following processes transfers energy between particles as well as through empty space?

radiation only

conduction only

convection only

both conduction and convection

Tags

NGSS.MS-PS1-4

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How is most of the solar energy transferred when it strikes Earth?

nuclear energy to thermal energy

nuclear energy to chemical energy

electromagnetic radiation to thermal energy

electromagnetic radiation to chemical energy

Tags

NGSS.MS-PS3-4

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Heat & Temperature 🌡

Vivian placed an ice cube in a tray of warm water. The following picture shows her investigation. Which statement describes the energy transfer?

A warm rock is in contact with the cooler ground. Which of the following will happen?

Which term is best defined as a measure of how hot or cold something is?

Kumar is studying how plant growth is affected by the temperature of the soil. The following picture shows his experiment.
Which of the following processes is mainly responsible for warming the soil?

A science class is studying how Earth’s surface is warmed by sunlight. The following diagram is a model of part of the investigation.
How is energy transferred from the lamp to the soil?

Which of the following processes transfers energy between particles as well as through empty space?

How is most of the solar energy transferred when it strikes Earth?

Which process is involved when solar energy warms the surface of Earth?

The following diagram shows water in contact with an ice cube and warmer air.
Which way will energy flow?

Conduction happens as energy flows from a warmer object to a cooler object. When will the flow of energy stop?

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science

Heat & Temperature 🌡

Vivian placed an ice cube in a tray of warm water. The following picture shows her investigation. Which statement describes the energy transfer?

A warm rock is in contact with the cooler ground. Which of the following will happen?

Which term is best defined as a measure of how hot or cold something is?

Kumar is studying how plant growth is affected by the temperature of the soil. The following picture shows his experiment.Which of the following processes is mainly responsible for warming the soil?

A science class is studying how Earth’s surface is warmed by sunlight. The following diagram is a model of part of the investigation.How is energy transferred from the lamp to the soil?

Which of the following processes transfers energy between particles as well as through empty space?

How is most of the solar energy transferred when it strikes Earth?

Which process is involved when solar energy warms the surface of Earth?

The following diagram shows water in contact with an ice cube and warmer air.Which way will energy flow?

Conduction happens as energy flows from a warmer object to a cooler object. When will the flow of energy stop?

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science

Kumar is studying how plant growth is affected by the temperature of the soil. The following picture shows his experiment.
Which of the following processes is mainly responsible for warming the soil?

A science class is studying how Earth’s surface is warmed by sunlight. The following diagram is a model of part of the investigation.
How is energy transferred from the lamp to the soil?

The following diagram shows water in contact with an ice cube and warmer air.
Which way will energy flow?