Which form of energy is stored in the bonds of atoms and molecules?

• Thermal energy
• Kinetic energy
• Chemical energy
• Nuclear energy

Energy can be created and destroyed.

What is the main source of energy for life on Earth?

• Sun

Which type of energy is associated with moving objects?

• Potential energy
• Kinetic energy
• Thermal energy
• Sound energy

Hydroelectric power plants use falling water to generate electricity.

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

• Joule

Which of the following is NOT a renewable source of energy?

• Solar
• Wind
• Hydropower
• Coal

Sound energy travels fastest through which medium?

• Gas
• Liquid
• Solid
• Vacuum

Fossil fuels are formed from the remains of ancient plants and animals.

What type of energy transformation occurs when you turn on a light bulb?

• Electrical to light

Which of the following is an example of potential energy?

• A rolling ball
• A stretched rubber band
• A ringing bell
• A moving car

Nuclear energy is released during the process of nuclear fission.

Which device is used to measure energy consumption in homes?

• Electric meter

Which of the following best describes thermal energy?

• Energy stored in food
• Energy due to motion
• Energy from the sun
• Energy from particle movement

Wind turbines convert kinetic energy into electrical energy.

What is the main greenhouse gas produced by burning fossil fuels?

• Carbon dioxide

Which energy source is considered the cleanest for generating electricity?

• Coal
• Natural gas
• Solar
• Oil

Energy stored in an object due to its position is called kinetic energy.

What form of energy is produced when you rub your hands together?

• Thermal

Which of the following is a disadvantage of using fossil fuels?

• Produce clean energy
• Unlimited supply
• Release pollutants
• Renewable