Energy Transformation

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

• destroyed, destroyed

• created, saved

• created, destroyed

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-PS3-4

NGSS.MS-PS3-5

What is the energy transformation that occurs in an electric pencil sharpener?

• mechanical energy to electrical energy

• electrical energy to mechanical energy

• radiant energy to sound energy

Which object shows an energy transformation from electrical to mechanical?

• 
• 
• 
• 

Tags

NGSS.4-PS3-4

Which of the following energy transformations occur when a lamp that is plugged into a wall socket is functioning correctly?

• Chemical to light

• Electrical to chemical

• Electrical to light

A hairdryer converts --

• electrical energy into chemical

• electrical energy into thermal

• chemical energy into mechanical

Which items would have this energy transformation: electrical energy -> thermal energy and light energy?

• toaster
• candle burning
• windmill turning
• Iron for your clothes

Tags

NGSS.4-PS3-4

NGSS.4-PS3-2

Electrical Energy is transferred to _____ Energy.

• Thermal
• Solar
• Electrical
• None

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

What type of energy transformation happens in hydro-electric power?

• kinetic to potential

• mechanical to electrical

• chemical to electrical

What kind of energy is represented in the picture?

• Thermal

• Chemical

• Sound