Energy Review

The Relationship of Kinetic Energy is that when ____________ increases or ____________ increases, Kinetic Energy will increase also

• Mass, Velocity

• Mass, Height

• is a measurement for the amount of energy

• speed in a given direction

Tags

NGSS.MS-PS3-1

Select the best definition for Mechanical Energy System

• the total energy of an object due to its kinetic energy(motion) or due to its potential energy(position)

• Mass, Height

• is a measurement for the amount of energy

• Mass, and Velocity(Speed)

Tags

NGSS.MS-PS3-5

A student is investigating the transfer of thermal energy. The student boils a pot water, removes the pot from the burner, and adds ice cubes to the water. Which direction is the thermal energy flowing in this system?

• from the liquid water to the pot

• from the solid ice to the air

• from the liquid water to the solid ice

• rom the solid ice to the liquid water

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A student is investigating thermal energy transfer. The student touches a piece of metal to a hot object, causing the metal to heat up. Which process of thermal energy transfer is the student demonstrating?

• evaporation

• radiation

• conduction

• convection

When Ben holds an ice cube in his hand, which transfer of energy is taking place?

• Both heat and coldness are being transferred.

• No transfer of energy is taking place.

• Heat is flowing from his hand to the ice cube

• Coldness is flowing from the ice cube to his hand.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which three forms of energy does a lamp use?

• mechanical, sound, and light

• heat, light, and sound

• light, mechanical, and electrical

• electrical, light, and heat

Which of the following best describes convection?

• placing hands near a hot burner

• turning on an air conditioner in a hot room

• turning on an electrical current

• putting a metal spoon in a mug of hot water

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Lois is preparing a pitcher of iced tea. She brews the hot tea and then adds ice to the pitcher. Which direction is the thermal energy flowing in this system?

• from the ice to the tea

• from the ice to the air

• from the pitcher to the tea

• from the tea to the ice

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Kinetic energy is

• the energy of motion.

• weakest at high temperatures

• always increasing.

• dependent on an object's position.

Tags

NGSS.MS-PS3-1

What energy transformation occurs when the baker turns on the light in the kitchen?

• Electrical energy is transformed into light energy.

• Sound energy is transformed into electrical energy.

• Light energy is transformed into mechanical energy

• Mechanical energy is transformed into chemical energy.