Lessons

​Topic 4 Review Lessons 1-3

​Topic 4 Lesson 1

​

Multiple Choice

_________________________ is the total kinetic and potential energy of all the particles in an object.

• thermal

• friction

• temperature

• expansion

Multiple Choice

The movement of thermal energy from an object at a higher temperature to an object at a lower temperature is called ____________.

• thermal
• expansion
• temperature
• heat

Multiple Choice

Thermal energy always moves from ____________ objects to ______________ objects.

• cooler, warmer
• warmer, cooler
• faster, slower
• slower, faster

Multiple Choice

The transferred of thermal energy from a warmer object to a cooler object is called

• heat.

• temperature.

• motion.

• momentum.

Multiple Choice

_________________________ is a measure of the average kinetic energy of the particles in a material.

• thermal
• friction
• temperature
• expansion

Multiple Choice

The liquid in a thermometer ______________ as the temperature increases.

• expands
• disappears
• freezes
• explodes

Multiple Choice

The most common temperature scale used in the United States - where water freezes at 32 degrees and boils at 212 degrees is called the __________________________ scale.

• Celsius
• Pound
• Kelvin
• Fahrenheit

Multiple Choice

The most common temperature scale used in the world where water freezes at 0 degrees and boils at 100 degrees is called the __________________ scale.

• Celsius
• Fahrenheit
• Pound
• Kelvin

Multiple Choice

The most common temperature scale used in the physical sciences where temperatures are 273 degrees more than temperatures on the Celsius scale is called the _______________ scale.

• Fahrenheit
• Kelvin
• Pound
• Celsius

Multiple Choice

when heat is added to a solid, its particles move ...........

• faster

• the same speed

• slower

• closer together

Multiple Choice

Once the solid gains enough thermal energy, it can change to a _____________ state.

• gas

• solid

• liquid

• frozen

Multiple Choice

what happens to the energy of the particles when water vapor begins to cool?

• The average potential energy decreases.

• The average kinetic energy decreases.

• The average potential energy remains the same.

• The average kinetic energy remains the same.

Multiple Choice

Convert 300 ^oK to ^oC

• 27^oC

• 0^oC

• -27^oC

• 573^oC

Multiple Choice

On this temperature scale, "zero" represents the temperature at which molecules have the lowest energy possible

• Fahrenheit Scale

• Celsius Scale

• Kelvin Scale

Multiple Choice

The coldest anything can get. Ever.

In Celsius it's -273 degrees.

• Wicked cold

• Kelvin

• Absolute zero

• Icey

​Topic 4 Lesson 2

​

Multiple Choice

the transfer of heat in a fluid (gas or liquid) by means of up & down movements called convection currents

• conduction

• convection

• radiation

• All answers are correct

Multiple Choice

the transfer of heat through a vacuum (empty space)

• conduction

• convection

• radiation

• All answers are correct

Multiple Choice

the transfer of heat through a medium (material) by direct contact of molecules

• conduction

• convection

• radiation

• All answers are correct

Multiple Choice

Burning your feet on the hot sand is an example of...

• conduction

• convection

• radiation

• All answers are correct

Multiple Choice

Cooking pizza in the microwave is an example of...

• conduction

• convection

• radiation

• All answers are correct

Multiple Choice

Steam rising from hot soup is an example of...

• conduction

• convection

• radiation

• All answers are correct

Multiple Choice

Hot water rises and cold water sinks. Is this:

• Convection

• Conduction

• Radiation

• All answers are correct

Multiple Choice

Stir frying vegetables is an example of

• Convection

• Conduction

• Radiation

• All answers are correct

Multiple Choice

Convection currents in air cause ............

• fire

• wind

• hot

• cold

Multiple Choice

Fire and sunlight are examples of

• conduction

• convection

• radiation

• All answers are correct

Multiple Choice

Which of these statements are true about how energy is conserved through transfers and transformations?

• Energy is conserved when a lamp is turned on because some of the electrical energy is transferred into thermal energy.

• Energy is conserved when thermal energy is transferred from your body to a coat.

• Energy is conserved when electrical energy from a hair dryer is transferred into thermal energy and then transformed by conduction.

• Energy is conserved when some of the chemical energy from burning a candle is transformed into thermal energy only

Multiple Choice

Which choice shows the energy transformations that occur when a light bulb heats up after it has been turned on?

• electrical→light→thermal

• chemical→electrical→thermal

• chemical→electrical→light

• electrical→chemical→thermal

​Topic 4 Lesson 3

​

Multiple Choice

Which of these are metals?

• gold

• plastic

• glass

• No correct answer

Multiple Choice

Which of these materials is a good conductor of heat?

• Wood

• Ceramic

• Metal

• No correct answer

Multiple Choice

A material that allows heat to travel through it is

• An electrical conductor

• An electrical insulator

• A thermal conductor

• A thermal insulator

Multiple Choice

If a material is a good conductor it...

• doesn't let water go through it.

• lets water go through it.

• doesn't transport heat and electricity through it.

• transports heat and electricity through it.

Multiple Choice

A material that does not allow heat to travel is

• An electrical conductor

• An electrical insulator

• A thermal conductor

• A thermal insulator

Multiple Choice

A great conductor of energy is:

• wood
• plastic
• metal
• cloth

Multiple Choice

Mittens help keep your hands warm in winter because:

• They are conductors of heat.

• They are fuzzy.

• They are conductors of electrical energy.

• They are insulators.

Multiple Choice

Which is NOT an insulator.

• Wool
• Plastic
• Copper
• Glass

Multiple Choice

Which one is an insulator? 

• Silver 
• Copper 
• Mechanical pencil
• plastic 

Multiple Choice

Is iron a conductor or insulator?

• A. Conductor

• B. Insulator

• A & B

• Neither A nor B

Multiple Choice

Is wood a conductor or insulator?

• A. Conductor

• B. Insulator

• A & B

• Neither A nor B

Multiple Choice

This is an example of a(n)

• A. conductor of heat

• B. insulator of heat

• A&B

• Neither A nor B

Multiple Choice

Specific heat is....

• The measure of kinetic energy of an objects particles
• A measure of the energy needed to increase the average kinetic energy of the particles
• The heating caused by the motion of flluid due to temperature difference
• The transfer of energy by electromagnetic radiation

Multiple Choice

The amount of energy required to raise the temperature 1ºC for every kilogram is called____?

• Thermal Energy
• Specific Heat
• Temperature
• Kinetic Energy

Multiple Choice

There are four cups of hot cocoa. The cup sizes are shown. The temperature of the cocoa in each cup is 25 degrees celsius. Which cup has the MOST thermal energy?

• Large cup (Trenta)
• Small cup (Tall)
• Medium cup (Venti)
• All three are the same temperature so they have the same thermal energy

Multiple Choice

The expansion of matter when it is heated is known as

• condensation

• evaporation

• thermal expansion

• vaporization

Multiple Choice

Many objects, such as train tracks and road joints, are specifically designed to allow extra space for ...

• thermal energy
• specific heat
• thermal expansion
• conductors

Multiple Choice

What does friction produce?

• light energy

• sound energy

• thermal energy

• gravity