F.6 Fuinnimh

Question 1

What is energy?

Answer 1

Energy is the ability to do work or produce change.

Question 2

True or False: Energy can be created and destroyed.

Answer 2

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

Question 3

Fill in the blank: The law of conservation of energy states that energy cannot be _______.

Answer 3

created or destroyed

Question 4

What are the two main types of energy?

Answer 4

Kinetic energy and potential energy.

Question 5

What is kinetic energy?

Answer 5

Kinetic energy is the energy of an object in motion.

Question 6

What is potential energy?

Answer 6

Potential energy is stored energy based on an object’s position or state.

Question 7

Multiple choice: Which of the following is an example of potential energy? A) A moving car B) A drawn bow C) A flowing river

Answer 7

B) A drawn bow

Question 8

What is the unit of energy in the International System of Units (SI)?

Answer 8

Joule (J)

Question 9

True or False: Heat is a form of energy.

Answer 9

True

Question 10

What is the formula for kinetic energy?

Answer 10

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

Question 11

What is the formula for gravitational potential energy?

Answer 11

PE = mgh, where m is mass, g is the acceleration due to gravity, and h is height.

Question 12

Multiple choice: Which type of energy is associated with chemical bonds? A) Thermal energy B) Chemical energy C) Nuclear energy

Answer 12

B) Chemical energy

Question 13

What is renewable energy?

Answer 13

Renewable energy is energy that is collected from resources that are naturally replenished.

Question 14

List two examples of renewable energy sources.

Answer 14

Solar energy and wind energy.

Question 15

True or False: Fossil fuels are considered renewable energy sources.

Answer 15

False

Question 16

What is the primary source of solar energy?

Answer 16

The Sun.

Question 17

What is energy efficiency?

Answer 17

Energy efficiency is the goal to reduce the amount of energy required to provide the same level of energy service.

Question 18

Multiple choice: Which of the following is a non-renewable energy source? A) Natural gas B) Wind C) Biomass

Answer 18

A) Natural gas

Question 19

What is thermal energy?

Answer 19

Thermal energy is the internal energy present in a system due to its temperature.

Question 20

What is the difference between energy and power?

Answer 20

Energy is the capacity to do work, while power is the rate at which energy is transferred or converted.

Question 21

What is the unit of power in the International System of Units (SI)?

Answer 21

Watt (W)

Question 22

Fill in the blank: The process of converting one form of energy to another is known as _______.

Answer 22

energy transformation

Question 23

What is mechanical energy?

Answer 23

Mechanical energy is the sum of kinetic and potential energy in an object.

Question 24

True or False: Energy can be transferred from one system to another.

Answer 24

True

Question 25

What is nuclear energy?

Answer 25

Nuclear energy is the energy released during nuclear fission or fusion.

Question 26

Multiple choice: Which energy source is derived from the heat of the Earth’s interior? A) Geothermal energy B) Solar energy C) Wind energy

Answer 26

A) Geothermal energy

Question 27

What is the significance of energy audits?

Answer 27

Energy audits help identify how energy is used and where it can be saved.

Question 28

What is the role of batteries in energy storage?

Answer 28

Batteries store energy chemically for later use.