Human Energy Needs
This unit is used to measure the energy consumed by electrical appliances.
What is a kilowatt-hour (kWh)?
This type of renewable energy harnesses the sun’s rays to generate electricity.
What is solar energy?
The term for designing buildings that use less energy through natural light, insulation, and smart technology.
What is energy-efficient architecture?
The unit of energy commonly associated with the food we eat.
What is a calorie?
This type of vehicle uses both a gasoline engine and an electric motor to reduce fuel consumption.
What is a hybrid car?
The average amount of kilowatt-hours consumed per household per day in the U.S.
What is 30 kWh?
The primary renewable energy source that uses the movement of air to generate electricity.
What is wind energy?
This practice involves turning off devices and lights when not in use to save energy.
What is energy conservation?
This organ in the human body consumes the most energy at rest.
What is the brain?
This material, used in solar panels, is essential for converting sunlight into electricity.
What is silicon?
This fossil fuel powers the majority of global energy consumption.
What is oil?
This renewable energy technology converts heat from the Earth into usable energy.
What is geothermal energy?
This rating system is used to indicate how energy-efficient appliances are.
What is the Energy Star rating?
This process in cells is responsible for converting glucose into energy.
What is cellular respiration?
The process of creating fuel by capturing carbon dioxide from the atmosphere.
What is carbon capture and utilization?
Name the energy source that produces the largest share of electricity in the U.S.
What is natural gas?
This country leads the world in solar energy production.
What is China?
The process of using less energy through behavioral changes, like setting thermostats lower in the winter.
What is energy efficiency?
This substance stores energy in muscles and is used during short bursts of activity.
What is ATP (adenosine triphosphate)?
These batteries are commonly used to store energy from renewable sources like solar and wind.
What are lithium-ion batteries?
This concept refers to the ability of energy systems to provide reliable energy when and where it's needed.
What is energy reliability?
The type of energy created by the movement of water, often through dams.
What is hydroelectric power?
This law of thermodynamics states that energy cannot be created or destroyed, only transferred or transformed.
What is the First Law of Thermodynamics?
This type of energy is produced when muscles contract to perform physical tasks.
What is kinetic energy?
This revolutionary type of clean energy creates electricity through nuclear fusion, mimicking the power of the sun.
What is fusion energy?