Mechanical Energy: Potential Energy

What happens when you release a stretched rubber band with a nickel in it?

• The nickel moves

• The nickel stays still

• The rubber band breaks

• The rubber band shrinks

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

An object sitting on a high shelf has no energy. True or False?

• True

• False

Tags

NGSS.MS-PS3-2

Potential energy depends on the ______ of objects or particles.

• positions

• colors

• temperatures

• sizes

Tags

NGSS.MS-PS3-2

What is the lesson number for the topic on Mechanical Energy?

• Lesson 1

• Lesson 2

• Lesson 3

• Lesson 4

Tags

NGSS.MS-PS3-2

NGSS.MS-PS3-1

NGSS.MS-PS3-5

NGSS.MS-PS3-4

What is the main topic of the lesson?

• Potential Energy

• Thermal Energy

• Chemical Energy

• Electrical Energy

Tags

NGSS.MS-PS3-2

NGSS.MS-PS3-4

NGSS.MS-PS3-3

What happens to the gravitational potential energy of an object as it moves farther from the center of the gravitational field?

• It increases

• It decreases

• It remains the same

• It becomes zero

Tags

NGSS.HS-PS2-4

Fill in the blank: The potential energy of a backpack increases as its ________ increases.

• mass

• height

• speed

• temperature

What is the effect of removing books from your backpack on the energy needed to lift it?

• More energy is needed

• Less energy is needed

• The same energy is needed

• Energy is not needed

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-4

Fill in the blank: You exert a force on the backpack that is opposite the force of ________.

• friction

• gravity

• magnetism

• electricity

Tags

NGSS.MS-PS2-4

What happens to the potential energy of a backpack as its mass decreases?

• It increases

• It decreases

• It stays the same

• It doubles.

Tags

NGSS.MS-PS3-2