GSE S8P2

When a roller coaster is at the bottom of a hill it has

• high potential energy

• high kinetic energy

• low kinetic energy

• equal amounts of kinetic and potential energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5

At which point is potential energy greatest?

• W

• X

• Y

• Z

Tags

NGSS.MS-PS3-2

When a pendulum swings, at which point is kinetic energy highest?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

In the diagram below, a 5 kg object is moving with a speed of 10 m/s, and a 10 kg object is moving with a speed of 5 m/s. Which object in the diagram has more kinetic energy?

• Both of the objects have the same amount of kinetic energy.

• The 5 kg object has more kinetic energy.

• The 10 kg object has more kinetic energy.

• Neither object has any kinetic energy.

Tags

NGSS.MS-PS3-1

What happens to the magnetic field around a wire when the electric current through the wire increases?

• It decreases

• It remains the same

• It increases

• It reverses direction

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What is the principle of energy transfer in a battery-operated device?

• Mechanical to electrical

• Electrical to mechanical

• Chemical to electrical

• Electrical to chemical

What is the term for the rate at which energy is transferred or converted?

• Power

• Energy

• Work

• Force

What is the unit of resistance in an electrical circuit?

• Volt

• Ampere

• Ohm

• Watt

When a person holds an object, it has potential energy. How will the potential energy change if the person lifts the object above his or her head?

• The object's potential energy will be the same.

• The object's potential energy will be greater.

• The object's potential energy will be less.

• The object's potential energy will be zero.

Tags

NGSS.MS-PS3-2

A demonstration helps students understand the principle of roller coaster design. Which answer choice correctly describes the ball’s kinetic and potential energy?

• The ball has more PE at position X than at position Z.

• The ball has more KE at position Y than at position W.

• The PE and KE of the ball are equal at position X

• The PE and KE of the ball are greatest at position Z.

Tags

NGSS.MS-PS3-2

NGSS.MS-PS3-4