Quiz about Unit 1 Review 6th

Question 1

Temperature is like a speedometer for how fast particles are moving. It measures the average ________________ of the particles of a substance.

Accepted Answer

kinetic energy

Answer

potential energy

Answer

solar energy

Question 2

The particles of a hot liquid move slowly. True or false?

Accepted Answer

False

Answer

True

Question 3

Heat is the transfer of energy from __________ places to ____________ places due to differences in temperature.

Accepted Answer

warmer/cooler

Answer

cooler/warmer

Question 4

A beaker of water at 5 degrees Celsius is placed inside a beaker containing water at 100 degrees Celsius. Each beakers have an equal volume of water. What will the final temperature of the water be inside both beakers after leaving them over night?

Accepted Answer

approximately 50 degrees Celsius

Answer

approximately 100 degrees Celsius

Answer

approximately 0 degrees Celsius

Question 5

A snowman melting in the sun. What type of heat transfer is this?

Accepted Answer

Radiation

Answer

Conduction

Answer

Convection

Question 6

A heater circulating warm air to heat up a room. What type of heat transfer is this?

Accepted Answer

Convection

Answer

Conduction

Answer

Radiation

Question 7

A hot air balloon rising. What type of heat energy transfer is this?

Accepted Answer

Convection

Answer

Conduction

Answer

Radiation

Question 8

Hands warming up from holding a hot cup of coffee. What type of heat energy transfer is this?

Accepted Answer

Conduction

Answer

Convection

Answer

Radiation

Question 9

The energy of motion is called

Accepted Answer

Kinetic Energy

Answer

Molecular energy

Answer

Radiation energy

Question 10

A sweater keeps you warm in cold weather. This is an example of a(n) _________________.

Accepted Answer

Insulator

Answer

Conductor

Question 11

A metal pan easily lets heat pass through it so it can cook your egg. This is an example of a(n) ________________.

Accepted Answer

Conductor

Answer

Insulator

Question 12

A metal cup feels hot right when you pour hot water into it. This is an example of a(n) ________________.

Accepted Answer

Conductor

Answer

Insulator

Question 13

A ceramic mug takes a while to heat up after you pour hot water into it. This is an example of a(n) ______________.

Accepted Answer

Insulator

Answer

Conductor

Question 14

____________ is the transfer of heat energy through empty space by invisible electromagnetic rays.

Accepted Answer

Radiation

Answer

Conduction

Answer

Convection

Question 15

___________ is the transfer of heat in a fluid (liquid or gas) caused when hotter, less dense fluids rise and cooler, more dense fluids sink.

Accepted Answer

Convection

Answer

Conduction

Answer

Radiation

Question 16

______________ is the transfer of heat through a solid material by direct contact of particles.

Accepted Answer

Conduction

Answer

Convection

Answer

Radiation

Question 17

Select the unit that we use to measure temperature in Science.

Accepted Answer

Celsius

Answer

Fahrenheit

Answer

Kelvin

Question 18

Why does your hand feel colder after holding an ice cube?

Accepted Answer

The heat energy has left your hand.

Answer

The cold has entered your hand.

Question 19

What will happen to a hot tea kettle if it is left on the counter overnight?

Accepted Answer

Heat will flow out of the tea kettle until the kettle and the air around it reach the same temperature.

Answer

The tea kettle will remain the same temperature.

Answer

The air around the tea kettle will get colder.

Question 20

When you stand outside in cold weather and feel colder, it is because you are losing heat energy to the air around you.

Accepted Answer

True

Answer

False

Question 21

Thermal energy always moves from object with ...

Accepted Answer

higher temperatures to objects with lower temperatures

Answer

no heat to objects with heat

Answer

more kinetic energy to objects with less kinetic energy

Answer

direct contact between them

Question 22

What device do we use to measure temperature?

Accepted Answer

Thermometer

Answer

Microscope

Answer

Ruler

Answer

Speedometer

Question 23

What is the energy in motion?

Accepted Answer

Kinetic

Answer

Potential

Answer

Thermal

Answer

Heat

Question 24

What happens to particles as they heat up?

Accepted Answer

They speed up

Answer

They slow down

Answer

Nothing

Answer

They don't move

Question 25

Nash puts his cold Coke Slurpee on to the metal roof of his mom's car. Describe the heat transfer that takes place.

Accepted Answer

Heat is transferred from the car's roof into the Slurpee and increases the temperature of the Slurpee.

Answer

Heat is transferred from the Slurpee into the roof and increases the temperature of the roof.

Answer

The Slurpee stays the same temperature until it is completely gone.

Answer

The roof doesn't change temperature due to the fact that it sits in the sun all day.

Question 26

You and your friends are gathered around a campfire to keep warm. How is heat being transferred to you?

Accepted Answer

radiation

Answer

conduction

Answer

convection

Question 27

A cook will use an oven mitt to pick up a hot pan because cloth is a(n) ________ and keeps the heat from their hand.

Accepted Answer

insulator

Answer

conductor

Answer

thermostat

Answer

furnace

Question 28

What is true about the transfer of heat from hot tea to the metal spoon?

Accepted Answer

Heat goes from the hot tea to the spoon by conduction.

Answer

Heat goes from the metal to the tea by radiation.

Answer

Heat goes from the hot tea to the metal spoon through radiation.

Answer

Hot air rises and warms the air, then the spoon gets hot from the hot air.

Question 29

Why do we cook food over a fire?

Accepted Answer

Heat rises due to convection.

Answer

Heat rises due to conduction.

Answer

Heat makes air molecules expand and fall.

Answer

Heat makes water molecules expand and rise.

Question 30

Which of the following materials is the best conductor of heat?

Accepted Answer

Copper

Answer

Plastic

Answer

Glass

Answer

Wood

Question 31

Which of the following is NOT a method of heat transfer?

Accepted Answer

Evaporation

Answer

Convection

Answer

Radiation

Answer

Conduction

Question 32

Which of these is true?

Accepted Answer

Kinetic energy is higher if the mass of a moving object is higher.

Answer

Potential energy increases when speed increases.

Answer

An object sitting on a shelf has no potential energy.

Answer

Kinetic energy only changes when speed changes.

Question 33

The faster an object moves, the ________ kinetic energy it has.

Accepted Answer

more

Answer

less

Answer

none of the above

Answer

all of the above

Question 34

What happens to particles as they heat up?

Accepted Answer

They speed up

Answer

They slow down

Answer

Nothing

Answer

They don't move

Question 35

What happens to particles as they cool down?

Accepted Answer

They slow down

Answer

Nothing happens

Answer

More are created

Answer

They speed up

Question 36

The movement of thermal energy from a hotter object to a colder one is called

Accepted Answer

Heat

Answer

Motion

Answer

Kinetic energy

Answer

Temperature

Question 37

Jerry pours hot coffee into a cup. The energy of the cup increases. What can you say about the energy of the coffee?

Accepted Answer

Its energy decreases as the energy of the cup increases.

Answer

Its energy stays the same as the energy of the cup increases.

Answer

Its energy increases until it is the same temp as the cup.

Answer

It depends on how much coffee is poured into the cup.

Question 38

When you pour hot soup into a cold bowl what is true about the energy of the bowl?

Accepted Answer

It increases and the energy of the soup decreases

Answer

It stays the same and the energy of the soup decreases

Answer

It decreases and the energy of the soup increases

Answer

It increases and the energy of the soup increases

Question 39

Temperature is ...

Accepted Answer

Average Kinetic Energy

Answer

Total Kinetic Energy

Question 40

Thermal Energy is ...

Accepted Answer

TOTAL kinetic energy

Answer

average kinetic energy

Question 41

How does temperature relate to kinetic energy?

Accepted Answer

Temperature is a measure of the average kinetic energy of the particles in a substance; higher temperature means higher average kinetic energy.

Answer

Temperature is a measure of the total kinetic energy of all particles in a substance.

Answer

Temperature has no relation to kinetic energy.

Answer

Temperature is inversely proportional to the kinetic energy of particles.

Question 42

What is the direction of thermal energy transfer?

Accepted Answer

Thermal energy always moves from areas of high heat to areas of low heat.

Answer

Thermal energy moves from areas of low heat to areas of high heat.

Answer

Thermal energy moves in a circular motion regardless of temperature.

Answer

Thermal energy does not transfer between different areas.

Question 43

What is radiation?

Accepted Answer

Radiation is the transfer of thermal energy through electromagnetic waves, such as heat from the sun.

Answer

Radiation is the process of converting light into sound energy.

Answer

Radiation is the movement of particles in a solid state.

Answer

Radiation is the chemical reaction that occurs in living organisms.

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