Energy Transformations

When you eat pizza, Chemical Energy is transferred to _____ Energy.

• Light
• Electrical
• Mechanical
• Chemical

Tags

NGSS.HS-LS1-7

Which energy transformation occurs in a toaster?

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

According to the Law of Conservation of Energy, energy cannot be _________ nor ____________. 

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

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-5

Energy transformations occur when...

• energy is created through conduction
• energy changes from one form to another
• two forces slide together that are touching
• a chemical reaction takes place

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Gravitational potential energy depends on the ________ and ________ of the object. 

• Height and mass
• Friction and movement
• Mass and Movement
• Height and Friction 

Tags

NGSS.MS-PS2-4

The picture shows a microwave oven. As a microwave oven is operated, electrical energy is transformed into all of the following types of energy EXCEPT —

• chemical
• light
• thermal
• mechanical

Tags

NGSS.MS-PS3-3

Which answer choice demonstrates this energy transformation: chemical energy -> electrical, light and thermal energy?

• turning on a flashlight
• nuclear power plant
• digesting an apple
• tanning bed

Which answer choice would have this energy transformation: chemical energy -> mechanical energy?

• person running
• candle burning
• windmill turning
• playing a violin

The diagram below shows a hot air balloon rising. Propane gas tanks are seen at the bottom of the balloon.  What energy transformations occur when propane gas is used to lift the balloon? 

• Mechanical to light to chemical
  
• Chemical to mechanical to thermal 
• Thermal to chemical to light
  
• Chemical to thermal to mechanical 

Tags

NGSS.MS-PS3-3

NGSS.MS-PS1-4

A hairdryer converts -- 

• electrical energy into chemical
• electrical energy into thermal
• chemical energy into mechanical
• thermal energy into mechanical