Unit 1 Map B Review

A skier increases speed while skiing down a hill during a race. Which statements accurately describe the potential and kinetic energy of the skier?

• Kinetic energy increases. Potential energy decreases.

• Kinetic energy increases. Potential energy stays the same.

• Kinetic energy stays the same. Potential energy decreases.

• Kinetic energy stays the same. Potential energy increases.

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

The picture shows a boat that is powered by a rubber band. Which energy transformation occurs in this boat when it sails?

• Thermal energy stored in the rubber band is transformed into chemical energy used by the paddles.

• Kinetic energy stored in the rubber band is transformed into thermal energy used by the paddles.

• Chemical energy stored in the rubber band is transformed into potential energy used by the paddles.

• Potential energy stored in the rubber band is transformed into kinetic energy used by the paddles.

Tags

NGSS.MS-PS3-2

NGSS.MS-PS3-5

A lamp is plugged into a wall outlet. Which sentence explains what happens to the electric energy as the light shines?

• The electric energy gets used up.

• The electric energy changes into radiant and thermal energy and is destroyed.

• The electric energy is created again after it produces radiant and thermal energy.

• The electric energy changes into radiant and thermal energy and is not destroyed.

Which answer choice correctly describes the roller coaster's kinetic and potential energy?

• The coaster has more potential energy at point 3 than at point 4.

• The coaster has more kinetic energy at point 3 than point 2.

• The potential and kinetic energy of the coaster are equal at point 4.

• The potential and kinetic energy of the coaster are the greatest at point 1.

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-2

NGSS.MS-PS3-5

A pendulum is given potential energy by being pulled up to location W. At which location does the pendulum have maximum kinetic energy?

• Location W

• Location X

• Location Y

• Location Z

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

The diagram shows how a steam engine in a train works. Which description of the energy conversions in the process is correct?

• The chemical energy in the coal is converted to thermal energy, which is then converted to mechanical energy.

• The mechanical energy in the coal is converted to electrical energy, which is then converted to thermal energy.

• The electrical energy in the coal is converted to mechanical energy, which is then converted to thermal energy.

• The thermal energy in the coal is converted to electrical energy, which is then converted to mechanical energy.

Tags

NGSS.MS-PS3-5

Students built a simple circuit connecting a battery to a light bulb. Which energy transformations happen when the students close the circuit and the bulb lights up?

• Chemical to radiant to electrical

• Electrical to chemical to radiant

• Chemical to electrical to radiant

• Radiant to electrical to chemical

Tags

NGSS.MS-PS3-5

A teacher heats up their lunch in the microwave. What energy transformations occur between the microwave and the food?

• Electrical to radiant to chemical

• Chemical to thermal to radiant

• Electrical to electromagnetic to thermal

• Electrical to electromagnetic to chemical

Tags

NGSS.MS-PS1-4

Which statement best describes the energy of a roller coaster as it slows down while traveling to the top of the coaster?

• The coaster cart gains both kinetic and potential energy.

• The coaster cart gains kinetic energy and loses potential energy.

• The coaster cart loses kinetic energy and gains potential energy.

• The coaster cart loses both kinetic and potential energy.

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-2

NGSS.MS-PS3-5

What is the difference between potential energy and kinetic energy?

• Potential energy is the energy of an object due to its position, while kinetic energy is energy due to its motion.

• Potential energy is the energy of an object due to its motion, while kinetic energy is energy due to its position.

• Potential energy is the energy of an object due to an applied force, while kinetic energy is energy stored after the applied force.

• Potential energy is the energy stored after an applied force, while kinetic energy is the energy used from the applied force.

Tags

NGSS.MS-PS3-2