Quiz about Energy and Heat Transfer Test

Question 1

A measure of the average kinetic energy of the individual particles in an object is called

Accepted Answer

Temperature

Answer

Thermal Energy

Answer

Conduction

Answer

Convection

Question 2

The total energy of all the particles in a substance is called

Accepted Answer

Thermal Energy

Answer

Temperature

Answer

Degrees

Answer

Mass

Question 3

Clara placed an empty mug on the table and poured hot tea into the mug. When she went to pick up the mug it was too hot to hold. Which type of heat transfer occurred between the tea and the mug?

Accepted Answer

Conduction

Answer

Convection

Answer

Radiation

Answer

Freezing

Question 4

Which types of heat transfer involve heat flow from hot objects to colder objects?

Accepted Answer

All of the above

Answer

Convection

Answer

Conduction

Answer

Radiation

Question 5

Which of the following statements is TRUE?

Accepted Answer

The particles in an object at 40 degrees Celsius are moving faster than particles at 0 degrees Celsius.

Answer

The particles in an object at 40 degrees Celsius are moving slower than particles at 35 degrees Celsius.

Answer

The particles in an object at 40 degrees Celsius are moving slower than particles at -40 degrees Celsius.

Answer

The particles in an object at 40 degrees Celsius are moving faster than particles at 100 degrees Celsius.

Question 6

A student has a glass of water and a block of ice. Both the water in the glass and the block of ice are made up of the same number of molecules. The average speed of the molecules of the water is greater than the average speed of the molecules of the block of ice. Which has more thermal energy and why?

Accepted Answer

The water has more thermal energy because the molecules of the water are moving faster than the molecules of the ice.

Answer

The ice has more thermal energy because it is a solid and the water is a liquid.

Answer

The water has more thermal energy because the ice has no thermal energy, but the water does.

Answer

The water and the ice have the same amount of thermal energy because they are different forms of the same substance.

Question 7

What happens when heat is added to a solid?

Accepted Answer

The particles of the solid speed up.

Answer

The particles of solid slow down.

Answer

The motion of the particles does not change.

Answer

The particles of the solid form a pile on the bottom of the container.

Question 8

Consider the following situations: Situation 1: A waterfall is used to turn a wheel. Situation 2: A wood fire in a fireplace is used to heat a room. Is energy being transferred in either of these situations?

Accepted Answer

Energy is transferred in both situations.

Answer

Energy is NOT transferred in either situation.

Answer

Energy is transferred when a waterfall is used to turn a wheel, but energy is NOT transferred when a fire in a fireplace is used to heat a room.

Answer

Energy is transferred when a fire in a fireplace is used to heat a room, but energy is NOT transferred when a waterfall is used to turn a wheel.

Question 9

A girl is riding her skateboard down a hill. She speeds up as she goes down the hill, and the wheels get a little warmer. What energy transformations happen while she is going down the hill?

Accepted Answer

Potential energy is transformed into kinetic energy and thermal energy.

Answer

Kinetic energy is transformed into potential energy and thermal energy.

Answer

Potential energy is transformed only into kinetic energy.

Answer

No energy transformations are involved while she is going down the hill.

Question 10

A man is driving a car. He slows down to stop at a stop sign. Speed = 30 miles per hour Speed = 15 miles per hour Speed=0 miles per hour When does the car have the most kinetic energy?

Accepted Answer

When the car's speed is 30 miles per hour

Answer

When the car's speed is 15 miles per hour

Answer

When the car's speed is 0 miles per hour

Answer

The car's motion energy is the same the whole time.

Question 11

Is energy transformed while a rock is falling from a cliff? Pick the best explanation.

Accepted Answer

Yes, potential energy is transformed into kinetic energy as the rock falls.

Answer

Yes, kinetic energy is transformed into potential energy as the rock falls.

Answer

No, because the rock lost all of its potential energy once it started to move.

Answer

No, because one form of energy cannot be transformed into another form of energy.

Question 12

A boy is riding a rollercoaster at his favorite amusement park. Which one of these statements is TRUE about his energy while riding on the rollercoaster?

Accepted Answer

The total energy of the roller coaster stays the same for the entire ride, but is converted between potential, kinetic, and thermal due to friction.

Answer

His potential energy is highest while he is going down the hill and moving at maximum speed.

Answer

The rollercoaster has more total energy at the bottom of the hill because energy is created as the roller coaster speeds up.

Answer

His kinetic energy is highest when he is not moving at the top of the hill.

Question 13

Greg ate a cheeseburger at lunch and through the process of digestion, it was stored in his body for him to use as energy. This stored energy from the food is an example of what kind of energy?

Accepted Answer

Chemical energy

Answer

Nuclear energy

Answer

Electrical energy

Answer

Electromagnetic energy

Question 14

In the diagram, energy is being converted from one form to another. What energy conversions are taking place in a battery-powered flashlight?

Accepted Answer

Chemical to electrical to light and thermal

Answer

Mechanical to thermal

Answer

Thermal to mechanical

Answer

Chemical to mechanical and thermal

Question 15

Which of these statements is true according to the Law of Conservation of Energy?

Accepted Answer

Energy can change forms.

Answer

Energy can be created.

Answer

Energy can be destroyed.

Answer

Energy can change into mass.

Question 16

Your laptop was left on all night without being charged. When you wake up, the battery is dead. What happened to the battery's energy?

Accepted Answer

It was transformed to light, heat, and sound energy.

Answer

It was destroyed.

Answer

Nothing happened to the battery.

Answer

It escaped into the atmosphere as radiation.

Question 17

A glass of warm lemonade and ice cubes is left on a counter at room temperature. Which statement best describes the transfer of energy in the glass?

Accepted Answer

Energy is transferred from the warmer lemonade to the cooler ice cubes.

Answer

Energy is transferred from the cooler ice cubes to the warmer lemonade.

Answer

Energy is not transferred.

Answer

Energy is destroyed.

Question 18

Ava performs an experiment to find out how energy flows through different materials. She warms some water to 95 degrees Celcius and pours it into a bowl. Then she puts 4 spoons made of different materials into the bowl with their handles sticking out. After 2 minutes, she touches the spoon handle with her fingers and records her observations. Click on the picture to see her recorded observations. What conclusion can Ava draw based on her observations?

Accepted Answer

The silver spoon and stainless steel spoon are better conductors than the wooden spoon and plastic spoon are.

Answer

Plastic is a better conductor than steel.

Answer

There is more convection in the silver spoon than in the plastic spoon.

Answer

Wood is a better radiator than silver.

Question 19

Which statement describes the direction of heat flow?

Accepted Answer

Heat flows from a warmer object to a cooler object.

Answer

Heat flows from a cooler object to a warmer object.

Answer

Thermal energy cannot be absorbed.

Answer

Heat flows between two objects at the same temperature.

Question 20

Which of the following describes the flow of thermal energy that occurs as a student holds a piece of ice in her hand?

Accepted Answer

Thermal energy flows from her hand to the ice cube.

Answer

Thermal energy flows from the ice cube to her hand.

Answer

Thermal energy flows back and forth between her hand and the ice cube.

Answer

Thermal energy does not flow between objects at different temperatures.

Question 21

Julie set a hot cup of coffee on the counter. The thermal energy from the coffee moved to the environment around the cup. When did the thermal energy stop transferring?

Accepted Answer

When the temperatures of the coffee and the environment around it became the same.

Answer

Never, thermal energy always transfers between objects.

Answer

When the coffee was colder than the environment.

Answer

When the environment was colder than the coffee.

Question 22

As Pat holds a pan over a fire, the water begins to boil as shown in the figure above. Which process is indicated by the letter X?

Accepted Answer

Convection

Answer

Conduction

Answer

Insulation

Answer

Radiation

Question 23

Pat holds the above pan over the fire. He feels warmth from the campfire, even though he is not touching the fire directly. Which process is indicated by the letter Z?

Accepted Answer

Radiation

Answer

Conduction

Answer

Convection

Answer

Insulation

Question 24

As Pat holds the pan over the fire, the metal handle of the pan becomes very hot, causing an uncomfortable sensation in his hand. What process, indicated by the letter Y, transferred energy to Pat's hand?

Accepted Answer

Conduction

Answer

Convection

Answer

Insulation

Answer

Radiation

Question 25

An ice cube is placed in a cup of warm tea and quickly melts. Which statement BEST explains what happened?

Accepted Answer

Thermal energy was transferred from the tea to the ice cube.

Answer

Thermal energy was transferred from the ice cube to the tea.

Answer

Some thermal energy in the tea was destroyed.

Answer

The ice cube dissolved into the tea and cooled the tea by diffusion.

Question 26

Which of the following explains what may happen when you remove heat from liquid?

Accepted Answer

The liquid molecules move closer together and become a solid.

Answer

The liquid molecules move farther apart and the liquid becomes gas.

Answer

The liquid molecules stay in place and the liquid gets warmer.

Answer

The liquid molecules evaporate into individual particles.

Question 27

Which of the following is an example of convection?

Accepted Answer

Hot air rising and cooler air falling

Answer

A hot oven warming the air around it

Answer

A hot object transferring heat to a cooler one

Answer

The rays of the Sun warming the earth

Question 28

A variable that is purposely changed to test a hypothesis is a(n).

Accepted Answer

Independent variable

(Test variable)

Answer

Observed variable

Answer

Outcome variable (Dependent variable)

Answer

Controlled variable

Question 29

Chris wants to see if his basil plants grow better in full sunlight or partial sunlight. He plants 5 basil plants on the east side of his house that only receives light in the morning, and 5 more plants on the south side of his house that receives light all day. He gives all the plants the same amount of water each day. After a month Chris measures the height of each plant. What is the independent variable?

Accepted Answer

Amount of sunlight

Answer

Amount of plant growth

Answer

Amount of water

Question 30

A scientist is experimenting to see how the amount of salt in water affects marine aquatic plants. He puts plants into different concentrations of salt water and measures their growth. What is the dependent (outcome) variable?

Accepted Answer

The growth of the plants.

Answer

The temperature of the water.

Answer

The amount of salt in the water.

Answer

The number of plants in the water.

Question 31

What is Kelvin?

Accepted Answer

The SI unit of thermodynamic temperature.

Answer

Another name for the speed of light.

Answer

A name for the space time continuum.

Answer

The scientist who invented the cereal.

Question 32

What scientist named Kelvin?

Accepted Answer

William Thomson

Answer

Kelvin Simon Theodore

Answer

Albert Einstein

Answer

Thomas William

Question 33

What was Lord Kelvin trying to do when he developed Kelvin?

Accepted Answer

Create a temperature scale where zero reflects the complete absence of thermal energy.

Answer

Create a temperature scale with negative numbers.

Answer

Create a way to measure the atmospheric pressure in at 10,000 ft above sea level.

Answer

Create a way to measure the speed at which Wolverine needs to travel to catch Deadpool.

Question 34

Electromagnetic radiation is energy that travels in waves. Which statement is true for all forms of electromagnetic radiation?

Accepted Answer

All forms of electromagnetic radiation travel at the same speed in space.

Answer

All forms of electromagnetic radiation have the same wavelength.

Answer

All forms of electromagnetic radiation have the same frequency.

Answer

All forms of electromagnetic radiation have the same amount of energy.

Question 35

Which color on the visible light spectrum has the LONGEST wavelength?

Accepted Answer

Red

Answer

Indigo

Answer

Orange

Answer

Violet

Question 36

How does the Sun transfer energy to Earth?

Accepted Answer

By electromagnetic waves

Answer

By making Earth spin

Answer

By making mechanical waves

Answer

By the Earth revolving around the sun

Question 37

Botanists study plants. Chemists study matter and its interactions. Volcanologists study volcanoes. What similarity exists among scientists working in these fields?

Accepted Answer

They all gather information to answer questions about the natural world.

Answer

They all do their research in exactly the same way.

Answer

They all use the same tools in their work.

Answer

No similarities exist among scientists working in different fields.

Question 38

What is the basis for all scientific explanations?

Accepted Answer

Empirical Evidence

Answer

Laws

Answer

Controversy

Answer

Opinions

Question 39

Which is an inference?

Accepted Answer

Erin sees everyone walking around with umbrellas and thinks it must be going to rain today

Answer

Erin walked around the pond three times to see if more geese appeared

Answer

Erin walked the pond at the same time every day

Answer

Tina noticed there were 14 geese on her pond this morning

Question 40

During a fireworks show, a family sees the spray of sparkles from an exploding firework high in the sky and, a moment later, hears the pop. Which of these best explains why the pop and spray do not seem to occur at the same time?

Accepted Answer

Sound travels slower than light.

Answer

Sounds travels father than light.

Answer

Sound cannot travel through a vacuum.

Answer

Light can travel through air but sound cannot.

Question 41

Which statement is NOT true about energy?

Accepted Answer

potential energy is energy in motion

Answer

Energy is the ability to do work

Answer

Energy is neither created nor destroyed

Answer

There are many forms of energy, but they can all be categorized as kinetic or potential

Question 42

What does the law of conservation of energy state?

Accepted Answer

Energy cannot be created or destroyed

Answer

Energy can be created or destroyed only during energy transformations

Answer

Energy cannot be transformed into two or more different types of energy at the same time

Answer

Energy cannot be transferred from one object to another without transforming to a new type of energy

Question 43

As energy transformations occur within a system, the total energy of the system _____.

Accepted Answer

Remains constant

Answer

Decreases

Answer

Increases

Answer

Is transferred out of the system

Question 44

A stretched rubber band contains what type of energy

Accepted Answer

Elastic potential energy

Answer

Chemical potential energy

Answer

Gravitational potential energy

Answer

Nuclear potential energy

Question 45

What would increase an objects thermal energy?

Accepted Answer

Increasing the kinetic energy of the particles in an object

Answer

Placing an object on top of another object that has less thermal energy

Answer

Slowing down the particles in an object

Answer

Increasing the mechanical energy of the object

Question 46

This type of state change occurs when thermal energy is added to an object with a definite shape and volume giving in a definite volume but no definite shape.

Accepted Answer

Melting

Answer

Boiling

Answer

Condensing

Answer

Freezing

Answer

Sublimating

Question 47

Glowsticks produce light for a short amount of time. The light from glow sticks is an energy transformation from what to what?

Accepted Answer

chemical to radiant

Answer

Thermal to radiant

Answer

radiant to electrical

Answer

gravitational to potential

Question 48

What type of energy is represented in this picture.

Accepted Answer

Chemical

Answer

Thermal

Answer

Nuclear

Answer

Electrical

Answer

Radiant

Question 49

Energy transfer occurs when energy is transferred from one object or system to another, not when it changes energy types.

Accepted Answer

True

Answer

False

Answer

Nobody knows

Answer

Ryan Reynolds says all of the above.

Question 50

Conduction transfers energy through _____, Convection transfers energy through _____, and Radiation transfers energy through _____.

Accepted Answer

solids; fluids, empty space

Answer

empty space; fluids; solids

Answer

solids; empty space; fluids

Answer

fluids, solids, empty space

Answer

solids; liquids; gasses

Question 51

What would increase an objects temperature?

Accepted Answer

increasing the kinetic energy of the particles in the object

Answer

placing the object on top of another object that has less thermal energy

Answer

slowing down the particles in the object

Answer

increasing the mechanical energy of the object

Question 52

Which beaker has more thermal energy? Why?

Accepted Answer

Beaker C- Highest temperature with the same number of particles as Beaker B

Answer

Beaker A - Less particles that have to be heated up, so more thermal energy

Answer

Beaker B- Double the particles of Beaker A so twice as much thermal energy

Answer

Beaker C - Highest temperature so the number of particles does not matter

Question 53

What is the best explanation for the following diagram?

Accepted Answer

Thermal energy will flow from the water to the ice until both substances reach thermal equilibrium

Answer

Beaker A has more thermal energy than Beaker B

Answer

Thermal energy will flow from the ice to the water until both substances reach thermal equilibrium

Answer

Thermal energy will disappear faster in Beaker B

Question 54

What type of heat transfer is taking place? The candle will slowly heat the metal and transfer the heat directly to the person's hand.

Accepted Answer

Conduction

Answer

Convection

Answer

Radiation

Question 55

What type of heat transfer is taking place? Warmer air rises, cooler air sinks.

Accepted Answer

Convection

Answer

Conduction

Answer

Radiation

Question 56

Conduction, convection, and radiation involve the transfer of

Accepted Answer

heat

Answer

average kinetic energy of particles in an object

Answer

matter

Answer

potential energy

Answer

temperature

Question 57

Flammable materials, like alcohol, should never be dispensed or used near _____?

Accepted Answer

an open flame

Answer

an open door

Answer

another student

Answer

a sink

Question 58

If an acid is splashed on your skin, wash at once with _______

Accepted Answer

plenty of water

Answer

soap

Answer

strong base

Answer

oil

Question 59

Four examples of electromagnetic waves are microwaves, radio waves, infrared waves, and visible light waves. Which of these waves has the MOST energy?

Accepted Answer

Visible light waves

Answer

Microwaves

Answer

Infrared waves

Answer

Radio waves

Energy and Heat Transfer Test

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