Energy Transfers

Question 1

What is energy transfer?

Answer 1

The process of moving energy from one location or form to another.

Question 2

True or False: Energy can be created or destroyed.

Answer 2

False. Energy cannot be created or destroyed, only transformed.

Question 3

Fill in the blank: The two main types of energy are _____ energy and _____ energy.

Answer 3

kinetic; potential

Question 4

What is kinetic energy?

Answer 4

The energy of an object due to its motion.

Question 5

What is potential energy?

Answer 5

The stored energy of an object based on its position or state.

Question 6

Multiple choice: Which of the following is an example of thermal energy? A) A moving car B) A hot cup of coffee C) A compressed spring

Answer 6

B) A hot cup of coffee

Question 7

What type of energy is associated with the position of an object?

Answer 7

Potential energy

Question 8

True or False: Mechanical energy is the sum of potential and kinetic energy.

Answer 8

True

Question 9

What is the formula for kinetic energy?

Answer 9

KE = 1/2 mv², where m is mass and v is velocity.

Question 10

Fill in the blank: In a closed system, the total energy _____ remains constant.

Answer 10

always

Question 11

What is the law of conservation of energy?

Answer 11

Energy cannot be created or destroyed in an isolated system.

Question 12

Multiple choice: Which type of energy is stored in food? A) Chemical energy B) Nuclear energy C) Electrical energy

Answer 12

A) Chemical energy

Question 13

What is electrical energy?

Answer 13

The energy caused by the movement of electrons.

Question 14

True or False: Sound energy is a type of kinetic energy.

Answer 14

True

Question 15

Fill in the blank: The energy of motion is called _____ energy.

Answer 15

kinetic

Question 16

What type of energy is released during a chemical reaction?

Answer 16

Chemical energy

Question 17

Multiple choice: Which of the following is NOT a form of energy? A) Light B) Heat C) Gravity D) Sound

Answer 17

C) Gravity

Question 18

What is radiant energy?

Answer 18

Energy that travels in waves, such as light energy.

Question 19

True or False: Nuclear energy is derived from the nucleus of atoms.

Answer 19

True

Question 20

What is the primary source of solar energy?

Answer 20

The Sun

Question 21

Fill in the blank: The energy stored in a compressed spring is an example of _____ energy.

Answer 21

potential

Question 22

What is the primary method of energy transfer through conduction?

Answer 22

Direct contact between materials.

Question 23

Multiple choice: Which of the following is a method of energy transfer? A) Conduction B) Reflection C) Absorption D) All of the above

Answer 23

D) All of the above

Question 24

What is mechanical energy?

Answer 24

The sum of potential and kinetic energy in an object.

Question 25

True or False: Energy can exist in multiple forms at the same time.

Answer 25

True

Question 26

What is gravitational potential energy?

Answer 26

Potential energy related to an object's height above the ground.

Question 27

Fill in the blank: Energy that is stored in the bonds of atoms is called _____ energy.

Answer 27

chemical