Which increase in temperature would require the most thermal energy? Assume all the H 2 O (water, ice or water vapor) samples are the same size and that temperature changes occur at standard pressure.

heating water from 10 to 12 °C

heating steam from 105 to 107 °C

heating ice from -20 to -18 °C

Which of the following processes best explains why the jar of distilled water only has blue molecules in it?

Changing the volume of the container

Which option(s) are examples of an Exothermic Reaction?

Two liquids react and their temperatures increase.

Two Liquids reacting and their temperatures decreasing.

Which option(s) are examples of an Endothermic Reaction?

Two liquids react and their temperatures increase.

Two liquids react and their temperatures decrease.

If you drop red hot metal into a pool of room temperature oil, what statements are true about heat transfer between the two objects?

Heat flows from the metal into the oil.

Heat flows from the oil into the metal.

There is no heat flow between the metal and the oil.

Heat flows back and forth between the metal and the oil simultaneously.

Consider energy transfer during the chemical reaction of a burning candle. Select the best statement about this reaction.

The chemical reaction releases energy.

The chemical reaction absorbs energy.

There is not energy transfer because it is at equilibrium.

The candle doesn't have internal energy to release.

As water and sulfuric acid are mixed together the temperature of the mixture becomes very hot. Select the statements that best describe why this happens. Assume that both substances start out at room temperature and there is no external heat source affecting them.

A chemical reaction is occurring.

Energy is released during the chemical reaction.

Energy is absorbed during the chemical reaction.

No chemical reaction occurs because water is inert.

The lack of a chemical reaction causes the temperature to increase.

Instant ice packs like the one shown below change from room temperature to very cold when you activate them. Which of the following is the best statement about how this ice pack works once it's activated into the white box.

A chemical reaction occurs which absorbs energy.

A chemical reaction occurs which releases energy.

Pulling on the pack releases potential energy from it and cools it down.

A small refrigerator is used to keep the ice pack cool.

As molecules of water boil and become steam, how does their kinetic energy change?

They Kinetic Energy stays the same.

Whenever the motion energy of an object changes, there will inevitably be a/an ______________________ .

change in energy somewhere else

As you touch a hot stove the heat transfers -

from the stove to your hand by conduction.

from your hand to the stove by conduction.

from your hand to the stove by radiation.

from the stove to your hand by radiation.

Which example below is an example of conduction ?

Touching hot sand with your feet

The attic is warmer than the basement

Which example below is an example of convection ?

The attic is warmer than the basement

Touching hot sand with your feet

Which example below is an example of radiation ?

The attic is warmer than the basement

Touching hot sand with your feet

What is the difference between heat and temperature?

a. Temperature measures the motion of molecules, and heat is the energy of that motion

b. Temperature is measured by a thermometer, and heat is measured by a barometer

c. Heat is measured in calories, and temperature is measured in joules

d. Heat is caused by the sun, and temperature is caused by conditions in the atmosphere

Thermal Energy Study Guide

Authored by Bryson Sischo

Science

8th Grade

NGSS covered

Used 17+ times

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MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Particles are spaced the farthest apart in and the closest together in . Select the answer that best completes the sentence.

liquids; solids

solids; gases

gases; liquids

gases; solids

REORDER QUESTION

15 mins • 1 pt

Three containers with the same amount of the same material are shown. Label them from most to least thermal energy.

Second Most Energy

Most Energy

Least Energy

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

The amount of energy a substance has during a phase change ____________ . Select the best answer.

Increases

Decreasing

increases or decreases

doubles or halves

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Which form of energy transfer do you see you see when you boil water?

Thermal Radiation

Convection

Conduction

Electromagnetic

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-3

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Heat is a measure of how much energy flows from ______ objects to _ objects. It _____ the same thing as temperature.

cold; hot; is

cold; hot; is not

hot; cold; is not

hot; cold; is

Tags

NGSS.MS-PS3-4

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

As your unread novel for your book report falls off the top of a building it speeds up until it hits the ground. As the book is falling its kinetic energy _____ , its gravitational potential energy _ and its total energy _________ . Neglect the effects of air resistance.

increases; decreases; is constant

decreases; increases; is constant

increases; decreases; decreases

increases; decreases; increases

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

NGSS.MS-PS3-2

MULTIPLE SELECT QUESTION

15 mins • 1 pt

Consider the graph of a material's temperature vs. energy below and select all of the correct statements about it.

The horizontal portions represent phase changes.

In the horizontal portions, energy changes but temperature does not.

Temperature remains constant throughout the entire graph because energy and temperature are proportional.

Phase is changing when the graph has a positive slope.

It can be concluded that at least three phase changes occur in the material from this graph.

Tags

NGSS.MS-PS1-4

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Thermal Energy Study Guide

Particles are spaced the farthest apart in and the closest together in . Select the answer that best completes the sentence.

Three containers with the same amount of the same material are shown. Label them from most to least thermal energy.

The amount of energy a substance has during a phase change ____________ . Select the best answer.

Which form of energy transfer do you see you see when you boil water?

Heat is a measure of how much energy flows from ______ objects to _ objects. It _____ the same thing as temperature.

As your unread novel for your book report falls off the top of a building it speeds up until it hits the ground. As the book is falling its kinetic energy _____ , its gravitational potential energy _ and its total energy _________ . Neglect the effects of air resistance.

Consider the graph of a material's temperature vs. energy below and select all of the correct statements about it.

In what phase(s) do we see Convection? Select all that apply.

In what phase(s) do we see Radiation? Select all that apply.

In what phase(s) do we see Conduction? Select all that apply.

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Thermal Energy Study Guide

Particles are spaced the farthest apart in ____________ and the closest together in ____________ . Select the answer that best completes the sentence.

Three containers with the same amount of the same material are shown. Label them from most to least thermal energy.

The amount of energy a substance has during a phase change ____________ . Select the best answer.

Which form of energy transfer do you see you see when you boil water?

Heat is a measure of how much energy flows from __________ objects to _________ objects. It _________ the same thing as temperature.

As your unread novel for your book report falls off the top of a building it speeds up until it hits the ground. As the book is falling its kinetic energy ___________ , its gravitational potential energy ___________ and its total energy _____________ . Neglect the effects of air resistance.

Consider the graph of a material's temperature vs. energy below and select all of the correct statements about it.

In what phase(s) do we see Convection? Select all that apply.

In what phase(s) do we see Radiation? Select all that apply.

In what phase(s) do we see Conduction? Select all that apply.

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science

Particles are spaced the farthest apart in and the closest together in . Select the answer that best completes the sentence.

Heat is a measure of how much energy flows from ______ objects to _ objects. It _____ the same thing as temperature.

As your unread novel for your book report falls off the top of a building it speeds up until it hits the ground. As the book is falling its kinetic energy _____ , its gravitational potential energy _ and its total energy _________ . Neglect the effects of air resistance.