Energy Transformations and Conservation

Question 1

The energy transformations in a car’s engine are an example of multiple transformations.

Revolt · Accepted Answer

T

Question 2

The law of conservation of energy states that when one form of energy is converted into another,

Revolt · Accepted Answer

no energy is destroyed in the process.

Question 3

A pendulum is released from rest at point A.If the horizontal line represents the reference point, the pendulum has

Revolt · Accepted Answer

only kinetic

Question 4

A ball thrown into the air has its greatest kinetic energy as it reaches the highest point in its path.

Revolt · Accepted Answer

F

Question 5

Nuclear reactions produce huge amounts of energy by transforming tiny amounts of matter.

Revolt · Accepted Answer

T

Question 6

Which best describes the conservation of energy as a pendulum swings in the path shown below?

Revolt · Accepted Answer

The potential energy at point A is equal to the kinetic energy at point B.

Question 7

______ states that energy cannot be created or destroyed.

Revolt · Accepted Answer

The law of conservation of energy

Question 8

What type of conversion is taking place when natural gas is used to heat water?

Revolt · Accepted Answer

chemical energy into thermal energy

Question 9

A light bulb converts electrical energy into both heat and light energy.

Revolt · Accepted Answer

T

Question 10

A pole-vaulter first converts kinetic energy into

Revolt · Accepted Answer

elastic potential energy.

Energy Transformations and Conservation Answers