Energy Conservation

Newtons law states that for every action, there is an_________ reaction

• unequal and opposite

• stronger and opposite

• equal and similar

• equal and opposite

Tags

NGSS.MS-PS2-1

Which of Newton's laws deals with force, mass, and acceleration?

• 1st

• 2nd

• 3rd

Tags

NGSS.MS-PS2-2

The bike rider starts biking up a small hill, and is able to maintain a constant speed of 12 mph.

What is happening to the biker's kinetic energy?

• increasing

• decreasing

• staying the same

Tags

NGSS.MS-PS3-1

The bike rider starts biking up a small hill, and is able to maintain a constant speed of 12 mph.

What is happening to the biker's potential energy?

• increasing

• decreasing

• staying the same

Tags

NGSS.MS-PS3-2

Gravitational potential energy depends on the ________ and ________ of the object. 

• Height and mass
• Friction and movement
• Mass and Movement
• Height and Friction 

Tags

NGSS.MS-PS3-2

A car skids along the road and smoke appears to be coming from under the tires. The heat that produces the smoke is caused by

• magnetism

• sound

• light

• friction

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

In a closed system, how will the total amount of energy change over time?

• It depends on what's happening in the system

• It will increase

• It will decrease

• It will stay the same

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

What energy transformation takes place as a rock rolls down a hill?

• None

• Gravitational Potential Energy to Kinetic Energy

• Thermal Energy to Kinetic Energy

• Rock Energy to Mechanical Energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

What energy transformation takes place when a skateboarder uses their speed to skate up a ramp

• Gravitational Potential Energy to Kinetic Energy

• Kinetic Energy to Gravitational Potential Energy

• Rotational Energy to Mechanical Energy

• None

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Which of the following energy transformations takes place when you plug in a fan and the blades start turning

• Electrical Energy to Kinetic Energy

• Rotational Energy to Wind Energy

• Thermal Energy to Cold Energy

• None of these

Tags

NGSS.MS-PS3-5