Inspire PS CH8 Review

Front

What is biomass?

Back

Biomass is a renewable organic matter that can be burned in the presence of oxygen to convert chemical energy to thermal energy.

Front

True or False: The gravitational pull of the Moon and the Sun can be converted into energy here on Earth.

Back

True

Front

What form of energy is primarily produced when a fuel is consumed?

Back

Up to 85% of the energy given off is in the form of unusable thermal energy.

Front

What is a pollutant?

Back

A pollutant is any substance that contaminates the environment.

Front

True or False: All of the chemical energy released from burned fossil fuels is converted into electrical energy.

Back

False.

Front

Define renewable energy.

Back

Renewable energy is energy that is collected from resources that are naturally replenished on a human timescale, such as sunlight, wind, rain, tides, waves, and geothermal heat.

Front

What is thermal energy?

Back

Thermal energy is the energy that comes from the temperature of matter. The hotter the substance, the more thermal energy it has.

Front

Explain the concept of energy conversion.

Back

Energy conversion is the process of changing energy from one form to another, such as converting chemical energy in fuels to thermal energy when burned.

Front

What is the significance of the law of conservation of energy?

Back

The law of conservation of energy states that energy cannot be created or destroyed, only transformed from one form to another.

Front

What are fossil fuels?

Back

Fossil fuels are natural substances formed from the remains of ancient plants and animals, primarily consisting of coal, oil, and natural gas.