Energy Transformations Review/Energy

A marble is given potential energy by being placed at Location W. When the marble is released, it rolls down the track. At which location does the marble have maximum kinetic energy?

• Location W

• Location X

• Location Y

• Location Z

A cook heats a meal in a microwave oven. What energy transformations occur between the microwave oven and the meal?

• Electrical energy to light energy to sound energy.

• Chemical energy to thermal energy to light energy.

• Electrical energy to electromagnetic energy to thermal energy.

• Chemical energy to electromagnetic energy to chemical energy.

A teacher rubbed a match against a piece of sandpaper. The match started to burn. Which statement best describes the energy changes that occurred?

• The chemical energy stored in the match changed to thermal energy and light energy.

• The thermal energy stored in the match changed to light energy and chemical energy.

• The light energy and thermal energy stored in the match changed to mechanical energy.

• The light energy and thermal energy stored in the match changed to chemical energy.

Which energy transformation below occurs in a blow dryer?

• electrical ----> thermal

• electrical -----> chemical

• chemical -----> thermal

• thermal ------> electrical

Tags

NGSS.MS-PS1-4

Which energy transformation is shown in this picture?

• chemical -----> light

• light -----> mechanical

• mechanical -----> chemical

• chemical -----> mechanical

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

This diagram is showing which of the following transformations?

• light energy ----> thermal energy

• thermal energy ----> light energy

• light energy ----> chemical energy

• chemical energy ----> light energy

Tags

NGSS.MS-LS1-6

NGSS.MS-LS1-7

What type of energy is made by vibrations and does not travel through empty space?

• sound energy

• light energy

• electrical energy

• chemical energy

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

When heating a room, the thermal energy travels through the air until all air is the same temperature by what process?

• conduction

• convection

• radiation

• chemical energy

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

To fry an egg in a skillet would use which type of thermal energy transfer?

• conduction

• convection

• radiation

• mechanical energy

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which is an example of potential energy?

• A child is hopping down the sidewalk.

• A horse is galloping in a field.

• A person is sitting on a horse.

• A car is driving on the street.

Tags

NGSS.MS-PS3-2