s8p2:energy

The Law of Conservation of Energy states:

• Energy can created or destroyed but not transformed 
• Energy cannot be created or destroyed, it can only transformed
• Energy can't be created, destroyed or transformed

According to the Law of Conservation of energy, the amount of energy before and after a reaction must be the same. Which statement below is true?

• The total amount of energy is conserved
• The total amount of energy is less after a reaction
• The total amount of energy is more after a reaction

Which energy transformation below matches?
A book falling?

• chemical to sound and heat
• kinetic to sound and heat
• electrical to sound and heat

Which energy transformation below matches?
Water moving over a dam to move a generator?

• kinetic to chemical
• kinetic to electrical
• solar to electrical

what type of energy is stored in a battery?

• electrical
• chemical
• thermal
• mechanical

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

• Solar
• Electrical
• Mechanical
• Chemical

Electrical Energy is transferred to _____ Energy.

• Thermal
• Solar
• Electrical
• None

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

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

Mechanical energy

• energy built up before being in motion
• energy released in a chemical reaction
• energy of motion
• sum of kinetic and potential energy

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