Energy Review Answers

Moving objects have kinetic energy.

• agree

• disagree

An object’s kinetic energy increases if its velocity decreases

• agree

• disagree

Food and fossil fuels contain chemical potential energy.

• agree

• disagree

Potential energy is energy associated with motion.

• agree

• disagree

An object’s gravitational potential energy decreases when it falls

• agree

• disagree

Gravitational potential energy can be converted into kinetic energy.

• agree

• disagree

Doubling an object’s mass doubles its gravitational potential energy.

• agree

• disagree

Lifting a book from a lower shelf to a higher shelf decreases the gravitational potential energy of the book.

• agree

• disagree

When all of an object’s starting energy can be accounted for, energy has been conserved.

• agree

• disagree

Most energy transformations involve some energy being converted to heat.

• agree

• disagree