Energy transformation

Which energy conversion is taking place when you put gasoline in a car?

• thermal -> electrical
• mechanical -> electrical
• chemical -> mechanical
• mechanical -> electromagnetic

Tags

NGSS.MS-PS3-4

what type of energy is stored in a battery?

• electrical
• chemical
• thermal
• mechanical

According to the Law of Conservation of Energy, energy cannot be _________ or ____________. 

• destroyed, destroyed
• created, saved
• created, destroyed
• lost, found

Tags

NGSS.MS-PS3-5

Which scenario describes a transformation of thermal energy into chemical energy?

• You turn on the heater in your car.

• The UV light from the Sun causes a sunburn.

• The Sun’s energy causes you to sweat.

• The oven bakes dough into bread.

Which of the following describes the energy transformations that occur when a toaster is used to make toast?

• Thermal energy is transformed into chemical energy in the toaster, and chemical energy is transformed into thermal energy in the toast.

• Electrical energy is transformed into thermal energy in the toaster, and chemical energy is transformed into thermal energy in the toast.

• Light energy is transformed into thermal energy in the toaster, and thermal energy is transformed into chemical energy in the toast.

• Electrical energy is transformed into thermal energy in the toaster, and thermal energy is transformed into chemical energy in the toast.

Tags

NGSS.MS-PS3-3

A television works by transforming electrical energy into what other kinds of energy?

• Light, thermal, and sound
• Thermal, chemical, and solar
• Sound, mechanical, and electrical
• Light, chemical, and mechanical

Which energy transformation occurs in a toaster?

• chemical to electric
• electric to thermal
• kinetic to chemical
• thermal to potential

Tags

NGSS.MS-PS3-3

The roller coaster cart has the most gravitational potential energy at position-

• W
• X
• Y
• Z

Tags

NGSS.MS-PS3-2

On a roller coaster, where is maximum kinetic energy?

• At the bottom of a big hill
• When going around a corner
• When going upside down
• At the top of a big hill

Tags

NGSS.MS-PS3-1

Which of the following devices transforms electrical energy into mechanical energy?

• An e-reader
• a fan
• a manual pencil sharpener
• ipod