Energy Transformations

Which of the following is an example of Mechanical Energy transforming into Sound Energy?

• An oven being turned on and heating up
• Digested food causing someone to burp
• Electricity shocking you and causing your hair to stand up
• A train's wheels screeching to a halt

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

• thermal -> electrical
• mechanical -> electrical
• chemical -> mechanical
• mechanical -> light

What type of energy is stored in a battery?

• electrical
• chemical
• thermal
• mechanical

A cell phone battery dies.  It gets plugged into an electrical outlet to recharge. Which of the following energy transformations occur during the charging?

• mechanical to chemical
• electrical to solar
• chemical to light
• electrical to chemical

What do a toaster, a hair dryer, and an
iron have in common?

• They transform  electrical energy to thermal
  energy.
• They transform electrical energy to
  mechanical energy.
• They transform mechanical energy to
  electrical energy
• They transform thermal energy to electrical
  energy.

Ms. Smith's students are complaining that it is hot in the classroom. She plugs in a fan and turns it on, what energy transformation now occurs?

• mechanical to electrical
• electrical to mechanical
• chemical to mechanical
• electromagnetic to mechanical

Think about the Law of Conservation of Energy.
Which of the following is not true?

• Energy cannot be destroyed.
• Energy cannot be created.
• Energy cannot be transformed.
• Energy can only be transformed.

Tarzan is swinging through the jungle looking for Jane. He is constantly moving back and forth..his kinetic energy is being transformed to 

• electrical
• chemical
• potenital
• nuclear

Which form of energy is produced by the splitting of the nucleus of an atom?

• solar
• nuclear
• chemical 
• none

The sun’s energy used by green plants to produce food is an example of light energy being converted to what other form of energy?

• kinetic energy
• heat energy
• mechanical energy
• chemical