Electricity and Energy

Which object shows an energy transformation from electrical to mechanical?

• 
• 
• 
• 

People might use a lamp to help them see, but in many cases, the bulb gets quite warm.  The two forms of energy being produced by the lamp are .....

• electrical and light

• sound and thermal

• light and thermal

When you turn on a radio, what type of energy transformation takes place?

• sound to chemical

• electrical to sound

• chemical to sound

What is the law of conservation of energy

• energy can be created or destroyed; the amount of energy will always stay the same

• energy is neither created or destroyed; the amount of energy will always stay the same

• energy is neither created or destroyed; the amount of energy will always change depending on the type of energy

Tags

NGSS.HS-PS3-2

NGSS.HS-PS3-3

energy is transferred to _____ energy.

• Electrical - Thermal

• Thermal - Electrical

• Electrical - Electrical

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

 An iron heats up to iron clothes 

• chemical energy to mechanical energy

• potential energy to thermal energy 

• electrical to thermal energy

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is the energy transformation?

• Chemical to Electrical to Light

• Mechanical to Electrical to Light

• Electrical to Thermal to Mechanical

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Why would the bulb be on?

• There is a circuit where energy can continuously flow

• It would be off

• There is no circuit

What is the definition of energy?

• The ability to do work

• The ability to make light

• The path energy flows on

Tags

NGSS.MS-PS3-5

What is a circuit?

• The path energy flows on

• The ability to do work

• A lightbulb and a battery