PS Spring Review

What is the law of conservation of energy?

• Energy can be created and destroyed.

• Energy can be transformed but not created or destroyed.

• Energy is always increasing in a system.

• Energy is always decreasing in a system.

Tags

NGSS.MS-PS1-5

NGSS.MS-PS3-4

What is conduction? Give an example.

• Transfer of heat through fluids; boiling water

• Transfer of heat through direct contact; a metal spoon in hot soup

• Transfer of heat through empty space; sunlight

• Transfer of heat through waves; radio waves

Tags

NGSS.MS-PS3-4

What is convection? Give an example.

• Transfer of heat through direct contact; touching a hot pan

• Transfer of heat through fluids; boiling water

• Transfer of heat through empty space; sunlight

• Transfer of heat through waves; sound waves

Tags

NGSS.MS-ESS2-6

NGSS.MS-PS3-3

What is the 1st law of thermodynamics?

• Energy can be created and destroyed.

• Energy cannot be created or destroyed, only transformed.

• Energy is always increasing in a system.

• Energy is always decreasing in a system.

Tags

NGSS.MS-PS3-5

Which Newton’s Law explains why a rocket launches when gases are pushed down?

• Newton's First Law

• Newton's Second Law

• Newton's Third Law

• Newton's Law of Gravitation

Which Newton’s Law explains why it is more difficult to move a dresser full of clothes than an empty dresser?

• Newton's First Law

• Newton's Second Law

• Newton's Third Law

• Newton's Law of Gravitation

Tags

NGSS.MS-PS2-2

Describe the energy transformations that occur during a ride on a roller coaster.

• Potential to kinetic to thermal

• Kinetic to potential to chemical

• Chemical to thermal to electrical

• Electrical to thermal to sound

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

What happens to the amount of energy in an open system?

• It remains constant.

• It increases.

• It decreases.

• It can change.

Tags

NGSS.MS-PS3-5

What happens to the amount of energy in a closed system?

• It remains constant.

• It increases.

• It decreases.

• It can change.

Tags

NGSS.MS-PS3-5

Describe attraction and repulsion for two magnets.

• Like poles attract, unlike poles repel.

• Like poles repel, unlike poles attract.

• All poles attract each other.

• All poles repel each other.

Tags

NGSS.MS-PS2-3