Anya placed an ice cube on the sidewalk on a warm day. The ice cube soon melted to form a puddle. What process caused the ice cube to melt?

Heat transferred from the air to the ice cube by radiation.

Heat transferred from the air and the pavement by conduction.

Heat transferred through the ice cube by convection.

Heat transferred through the ice cube into the pavement by conduction.

The drawing shows a waterfall flowing into a pool of water. Which statement BEST describes the energy of the objects in the drawing?

The water has potential energy at the top of the waterfall and increasing kinetic energy as it falls.

The pool of water has more kinetic energy and the falling water has more potential energy.

The water at the top of the fall has kinetic energy that becomes potential energy as it falls into the pool.

The falling water has potential energy and the rock over which it flows has kinetic energy.

A roller coaster is climbing up the highest hill on its track. At which point will the front car of the coaster MOST likely have its greatest potential energy?

at the bottom of the highest hill

David switches on a fan on a hot day. Which statement BEST describes how energy changes to make the fan spin?

Electrical energy changes to mechanical energy.

Electrical energy changes to heat energy.

Heat energy changes to mechanical energy.

Wind energy changes to electrical energy.

Every night, Johnny reads next to a lamp that is lit by an incandescent light bulb. Which is the BEST indication that the transfer of electrical energy to the lamp is inefficient?

The lamp can be turned off at a switch.

A group of students built a ramp and rolled steel balls of different sizes down the ramp onto the floor. Then they measured how far each ball rolled from the bottom of the ramp. Which statement correctly explains the differences in the distances that the balls rolled?

Kinetic energy increased as mass increased.

Acceleration increased as mass increased.

Friction increased as mass increased.

Velocity increased as mass increased.

Laura bruised her knee. She applied an ice pack to the bruised area. When she removed the ice pack from the injured knee, she noticed that the temperature of her skin was lower than the rest of her body. What is the MOST likely reason this occurred?

Heat energy from the skin was transferred to the ice pack.

The cooling energy of the ice pack was transferred to the skin.

Increased blood flow due to the ice pack caused the skin to be cooler.

The air surrounding the ice pack cooled the skin.

Students measured the temperature of water inside three different beakers. They measured the temperature again two hours later. What can the students conclude?

Metal foil is a better insulator than plastic film.

Cloth is a better insulator than metal foil.

Paper is a better insulator than cloth.

Plastic film is a better insulator than paper.

A carpenter rubs sandpaper on a wooden bench to make the bench smoother. The sandpaper will get warm as it is rubbed on the bench. As a result of the friction between the sandpaper and the bench, thermal energy is converted to

heat energy that is transferred to the air

potential energy that is stored by the wood

radiant energy that is transferred to the bench

chemical energy that is stored by the sandpaper

A student investigated the containers of water shown in the pictures below. The student placed Container 1 in the middle of Container 2. The student measured the temperature of the water in each container after 30 minutes. Which results MOST likely occurred?

Water in Container 1: 60°C / Water in Container 2: 60°C

Water in Container 1: 40°C / Water in Container 2: 100°C

Water in Container 1: 20°C / Water in Container 2: 20°C

Water in Container 1: 70°C / Water in Container 2: 30°C

Isabella filled a glass with warm water. She measured the temperature, and it was 30°C. She left the glass on a table in a room that was 20°C. A few hours later, she measured the water temperature again, and it was 24°C. Which BEST explains why the water temperature changed?

Heat energy in the water was transferred to the cooler air.

Heat energy in the water was destroyed by the glass.

Energy in the air removed heat from the water.

Energy used by evaporation caused the water temperature to decrease.

Mary used a thermometer to test the air temperature at four points near a lit bulb. She recorded her data in the table. Which BEST explains why the air closest to the bulb was warmest?

The bulb conducted electricity.

Energy Unit Review

Authored by Erika Moses

Science

6th Grade

NGSS covered

Used 13+ times

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40 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Hilda is comparing two light bulbs. After she observes both of the lit bulbs, she concludes that the fluorescent bulb produces less of which type of energy?

chemical

nuclear

thermal

electrical

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a gasoline-powered car, chemical energy from gasoline is transformed to make the car move. The motion of the car is what form of energy?

mechanical energy

electrical energy

nuclear energy

radiant energy

Tags

NGSS.MS-PS3-5

FILL IN THE BLANK QUESTION

30 sec • 1 pt

Which form of energy is in firewood?

Tags

NGSS.MS-PS3-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of energy is found in fossil fuels?

mechanical

chemical

nuclear

radiant

Tags

NGSS.MS-PS3-5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A student is reading the nutritional information on a box of cereal. It says that a single serving contains 215 calories. Which type of energy is being measured by this unit?

mechanical

electrical

chemical

kinetic

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Carlos was playing on a slide on a sunny summer day. Which property of the slide tells Carlos how much energy the slide absorbed from the Sun?

the color

the mass

the height

the temperature

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Amanda and Jake learned about kinetic and potential forms of energy within a simple electrical circuit. The circuit they are studying has a battery, wires, and a light bulb. Which is a form of potential energy in the circuit?

chemical energy in the battery

light energy from the light bulb

electrical energy moving through the light bulb

heat energy lost from the electric wires

Tags

NGSS.MS-PS3-2

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Energy Unit Review

Hilda is comparing two light bulbs. After she observes both of the lit bulbs, she concludes that the fluorescent bulb produces less of which type of energy?

In a gasoline-powered car, chemical energy from gasoline is transformed to make the car move. The motion of the car is what form of energy?

Which form of energy is in firewood?

Which type of energy is found in fossil fuels?

A student is reading the nutritional information on a box of cereal. It says that a single serving contains 215 calories. Which type of energy is being measured by this unit?

Carlos was playing on a slide on a sunny summer day. Which property of the slide tells Carlos how much energy the slide absorbed from the Sun?

Amanda and Jake learned about kinetic and potential forms of energy within a simple electrical circuit. The circuit they are studying has a battery, wires, and a light bulb. Which is a form of potential energy in the circuit?

Which BEST represents the use of mechanical energy?

The picture shows a can opener being operated. Which form of energy is MOST likely used to open the can?

Anya placed an ice cube on the sidewalk on a warm day. The ice cube soon melted to form a puddle. What process caused the ice cube to melt?

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