Mazen Law of Conservation

The Law of Conservation of Energy states:

• Energy can't be created, destroyed or transformed

• Energy cannot be created or destroyed, it can only 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 more after a reaction

• The total amount of energy is conserved

Which energy transformation below matches? A book falling?

• electrical to sound and heat

• kinetic to sound and heat

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

• kinetic to electrical

• solar to electrical

Which energy transformation below matches? Green plants?

• chemical to heat

• solar to chemical

Which energy transformation below matches? Animals eating food?

• potential to chemical

• chemical to kinetic

Which energy transformation below matches? Burning coal or carbon-based fuel at a powerplant?

• electrical to chemical to heat

• chemical to heat to electrical

Which energy transformation below matches? An electrical circuit?

• electrical to heat, sound, light, mechanical

• chemical to heat, sound, light, mechanical

Potential or kinetic? Stretched bow and arrow?

• kinetic

• potential

Potential or kinetic? Running?

• kinetic

• potential

• k