Energy Quiz

Which unit is commonly used to express the energy content of food in the metric system?

• Newton

• Watt

• Calorie

• Ohm

Sophia is trying to calculate the energy value of a food item. She needs to find the unit of measurement that represents the amount of heat needed to raise the temperature of one kilogram of water one degree Celsius and is 1,000 times greater than a calorie. What is the unit she should use?

• Word

• Joule

• Kilocalorie

• Kinetic Energy

What is the energy of motion?

• Latent Heat

• Kinetic Energy

• Light

• Liquefaction

Anika, Grace, and David are observing ice cubes melting in a glass of water. They noticed that the ice cubes started to melt at a constant temperature. What is the term for the heat absorbed during this phase change?

• Thermal Energy

• Latent Heat of Fusion

• Conduction

• Convection

In a physics lab, Emma heated a container of water until it started boiling. She was studying the energy needed to convert the water from liquid to gas without altering its temperature. What is this energy referred to as?

• Latent Heat of Fusion

• Latent Heat of Vaporization

• Luminosity

• Liquefaction

What is visible radiant energy?

• Latent Heat of Vaporization

• Latent Heat of Fusion

• Light

• Liquefaction

During a science experiment, Noah and Abigail observed a gas changing into a liquid. What is this process called?

• Latent Heat of Vaporization

• Latent Heat of Fusion

• Light

• Liquefaction

What is the electron tube in microwaves that converts electrical energy into radiant energy; in microwave ovens, it is used to cook food?

• Mechanical Energy

• Microwave

• Nuclear Energy

• Magnetron

What is the total kinetic and potential energy of a system?

• Mechanical Energy

• Microwave

• Nuclear Energy

• Magnetron

What is low-frequency electromagnetic waves of radiant energy?

• Mechanical Energy

• Microwave

• Nuclear Energy

• Magnetron