This term refers to the ability to do work or cause change.
What is energy?
This type of energy source can be replenished naturally in a short period.
What is renewable energy?
This device found in many homes converts electrical energy into mechanical energy to cool food.
What is a refrigerator or fridge?
The process of removing trees to clear land for mining or drilling is known as this.
What is deforestation?
This type of energy comes from sources that won't run out, and will be the future of energy.
What is renewable energy?
The two main categories of energy are this and potential energy.
What is kinetic energy?
The energy derived from sources that will not run out is termed as this.
What is non-renewable energy?
When you turn on a light bulb, it converts electrical energy into this type of energy.
What is light energy?
The Three R's (Reduce, Reuse, Recycle) are strategies to minimize this type of environmental impact.
What is waste?
These devices on rooftops capture sunlight to produce electricity for homes.
What are solar panels?
Energy is measured in these units.
What are joules (J)?
This renewable energy source converts sunlight into electricity.
What are solar panels or solar energy?
The spinning blades of this device capture wind energy to generate electricity.
What is a wind turbine?
This renewable energy source generates electricity without emitting greenhouse gases or air pollutants using turbines.
What is wind energy or wind power?
Cars powered by this type of energy produce fewer greenhouse gases than gasoline cars.
What is electric energy or electricity?
The energy possessed by an object due to its motion is called this.
What is kinetic energy?
Coal is an example of this type of energy source.
What is non-renewable?
This structure, often built across rivers, harnesses the potential energy of stored water to generate electricity.
What is a hydroelectric dam?
This renewable energy source generates electricity without emitting greenhouse gases using dams and large wheel.
What is hydroelectric (water) energy?
This renewable energy source uses the heat from underground to produce electricity.
What is geothermal energy?
When energy changes from one form to another, this law states that the total amount of energy remains constant.
What is the law of conservation of energy?
Nuclear energy is an example of this type of energy source.
What is non-renewable energy?
Solar panels convert sunlight directly into this type of energy.
What is electrical energy or electricity?
This term refers to the total amount of greenhouse gases produced to support human activities, measured in units of carbon dioxide.
What is carbon footprint?
These energy-saving light bulbs use less electricity than traditional bulbs.
What are LED bulbs?