Which best describes radiation heat transfer?

the transfer of heat through electromagnetic waves which does not involve the movement of matter

the transfer of heat energy from one solid that is in contact with another solid

the transfer of heat from one location to another through the movement of fluids

the transfer of heat due to circulation which is based on changing densities

Which best describes heat from radiation?

The coil on a stove heats up and emits electromagnetic waves.

Heat from a stove coil transfers to a pot placed on top of it.

Heat from the metal handle of a pot transfers to a person's hand.

Boiling water near the bottom of a pot rises and cool water sinks.

A blender, which uses spinning blades to chop up fruits and other foods. What causes the blades to spin?

Electrical energy flows through the wire and into the blender, where the energy turns into mechanical energy that spins the blades.

Light energy enters the blender through the clear glass, where the energy turns into motion energy that spins the blades.

Mechanical energy from pushing the buttons on the blender turns into heat energy that spins the blades.

Chemical energy stored in the fruits is converted into mechanical energy that spins the blades.

The light bulb in Connor's room has just burned out. His father comes in to change the light bulb and notices that the bulb is still hot when he touches it. What types of energy are released by a light bulb?

heat energy and mechanical energy

mechanical energy and electrical energy

Convection is best defined as the transfer of heat in a

fluid by the coordinated mass movement of particles.

solid by particle-to-particle transfers of kinetic energy.

fluid by the diffusion of electromagnetic radiation.

gas by the diffusion of electromagnetic radiation

During an experiment, black pepper was added to the water as it boiled strongly, and the pepper moved in a circular pattern from the top of the water to the bottom and back again. What does the circular pattern of the pepper represent?

the convection of ocean currents as warm water rises and cool water sinks

the radiation of thermal energy being passed from the Sun into the ocean

the evaporation of ocean water due to conduction of thermal energy

the pressure of water pushing particulates to the bottom of the ocean

A hydroelectric power plant near a dam. When the gate is opened, river water flows into the power plant through a large pipe that runs through the dam. What transformation of energy is taking place when the gate is opened? A. B. C. D.

potential energy to kinetic energy as the water flows into the plant

potential energy to kinetic energy as the water level rises behind the dam

kinetic energy to potential energy as the water flows into the plant

kinetic energy to potential energy as the water level lowers behind the dam

Chemical reactions can produce

electricity, heat, light or mechanical motion

only light or mechanical motion.

light, nuclear energy, or potential energy.

Nuclear reactors do not create energy, instead they convert A. . C.

nuclear energy to thermal energy.

mechanical energy to nuclear energy

thermal energy to electromagnetic energy.

electromagnetic energy to mechanical energy.

When a person bends a glow stick, a small chamber inside it breaks, releasing a substance that reacts with other substances inside the glow stick. The reaction that takes place causes the glow stick to glow. What type of energy transformation is this?

chemical energy → light energy

thermal energy → light energy

electrical energy → light energy

Which statement is the best example of the law of conservation of energy?

Radiant energy from the Sun is not lost but transformed into other forms of energy.

Chemical energy in a car engine is destroyed as it burns and releases exhaust into the air.

An animal's energy is permanently stored in chemical bonds when it eats food.

A train traveling down a hill loses potential energy that is then stored in the ground.

Which of the following energy transfers refers to a runner eating a protein bar for energy before a track meet?

chemical energy to mechanical energy

thermal energy to electrical energy

mechanical energy to electrical energy

. heat energy to mechanical energy

Samantha's hands are cold and she wants to warm them up by rubbing them together. Samantha is using friction to convert

mechanical energy to thermal energy.

frictional energy to electrical energy.

thermal energy to mechanical energy.

electrical energy to frictional energy.

Which transformation of energy occurs when a fan is turned on and the blades start to rotate?

electrical energy to kinetic energy

thermal energy to potential energy

electrical energy to potential energy

thermal energy to kinetic energy

In winter the air just above the top bunk of a bunk bed is warmer than the air just above the bottom bunk because warm air rises. Which of the following describes the method of heating that causes this difference in temperature?

convection currents from the room

heat transfer through the walls

heat conduction through the bed

What type of energy change occurs as a match burns?

Chemical energy changes to light and heat energy

Kinetic energy changes to potential energy

There is an increase in total energy.

There is a decrease in kinetic energy.

Which best describes energy changes in a system?

Energy is conserved, and it cannot be created or destroyed.

Energy is not conserved, and it can be created or destroyed.

Energy is not conserved, but it cannot be created or destroyed.

Energy is conserved, but it can be created or destroyed.

Unit 2 Energy Concepts

Authored by Shelly Hodges

Physics

9th Grade

NGSS covered

Used 11+ times

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Javier is designing a container to hold cold items. Which substance should Javier use to best insulate the container?
Copper, Air, glass, Iron

iron, because it requires a very little energy for iron to change temperatures

glass, because it requires a lot of energy for glass to change temperatures

copper, because if requires very little energy for copper to change temperatures

air, because it requires a lot of energy for air to change temperatures

Tags

NGSS.MS-PS3-3

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How does the motion of the atoms in the spoon change when the spoon is placed in the hot coffee?

The atoms vibrate slower due to the conduction of heat through atoms in the spoon

The atoms vibrate faster due to the conduction of heat through atoms in the spoon.

The atoms move away from each other due to the convection of heat through atoms in the spoon.

The atoms move closer toward each other due to the radiation of heat through atoms in the spoon.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of the following does temperature measure?

the average kinetic energy of the particles that make up an object

the electrical energy that is present in an object

the state of matter that an object is in

the mass and volume of an object

Tags

NGSS.MS-PS1-4

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Why are most oven mitts made out of cloth?

Cloth is the only material available to make oven mitts.

Cloth is an insulator and cannot conduct heat.

Cloth is a conductor and blocks the heat.

Cloth cools a pan down as soon as it is touched.

Tags

NGSS.MS-PS3-3

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

There are two windmills near Brittany's town. Brittany wonders which one converts more wind energy into mechanical energy. What is the best way for Brittany to find out which windmill generates more mechanical energy?

Find out which windmill was built more recently.

Count how many times each windmill spins in one minute

Stand next to each windmill to feel where the wind is strongest.

Measure the height of each windmill.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

When baking a cake, why are cake pans made out of metal?

Another material would be too heavy to use

Another material would melt in the oven.

Metal conducts heat very well.

Metal makes the cake taste better.

Tags

NGSS.MS-PS3-3

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which best describes the way particles move to heat objects using conduction?

Fast moving particles in warm objects collide with electromagnetic waves.

Objects generate electromagnetic waves are carried away from the object emitting them.

Fast-moving particles collide with slower moving particles transferring their heat energy.

Particles expand with thermal energy, hot air rises and pushes cooler air down through circulation.

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Unit 2 Energy Concepts

Javier is designing a container to hold cold items. Which substance should Javier use to best insulate the container?
Copper, Air, glass, Iron

How does the motion of the atoms in the spoon change when the spoon is placed in the hot coffee?

Which of the following does temperature measure?

Why are most oven mitts made out of cloth?

There are two windmills near Brittany's town. Brittany wonders which one converts more wind energy into mechanical energy. What is the best way for Brittany to find out which windmill generates more mechanical energy?

When baking a cake, why are cake pans made out of metal?

Which best describes the way particles move to heat objects using conduction?

Transfer of thermal energy in circulation within fluids is a

Which is NOT a method of heat transfer through molecular motion?

Which of the following does temperature measure?

Access all questions and much more by creating a free account

Popular Resources on Wayground

Discover more resources for Physics

Unit 2 Energy Concepts

Javier is designing a container to hold cold items. Which substance should Javier use to best insulate the container? Copper, Air, glass, Iron

How does the motion of the atoms in the spoon change when the spoon is placed in the hot coffee?

Which of the following does temperature measure?

Why are most oven mitts made out of cloth?

There are two windmills near Brittany's town. Brittany wonders which one converts more wind energy into mechanical energy. What is the best way for Brittany to find out which windmill generates more mechanical energy?

When baking a cake, why are cake pans made out of metal?

Which best describes the way particles move to heat objects using conduction?

Transfer of thermal energy in circulation within fluids is a

Which is NOT a method of heat transfer through molecular motion?

Which of the following does temperature measure?

Access all questions and much more by creating a free account

Popular Resources on Wayground

Discover more resources for Physics

Javier is designing a container to hold cold items. Which substance should Javier use to best insulate the container?
Copper, Air, glass, Iron