Wind and Water, Sea and Sky: Harnessing the Power of Fluids

Front

What are electrons?

Back

Electrons are tiny atomic particles that carry a negative charge and are found in atoms.

Front

What is work in the context of energy?

Back

Work is the energy transferred when a force is applied to an object, causing it to move.

Front

What is a fluid?

Back

A fluid is any substance that flows, including liquids and gases.

Front

What natural forces were used by early mills?

Back

Early mills used wind and water to make grinding grain easier.

Front

What power source became more common for lighting homes by the late 19th century?

Back

By the late 19th century, people relied more on electrical power to light their homes.

Front

What is the role of wind in energy generation?

Back

Wind can be harnessed to generate electricity using wind turbines.

Front

What is the role of water in energy generation?

Back

Water can be used to generate electricity through hydroelectric power plants.

Front

What is the difference between renewable and non-renewable energy sources?

Back

Renewable energy sources can be replenished naturally (like wind and solar), while non-renewable sources (like coal and oil) cannot.

Front

How do windmills work?

Back

Windmills convert the kinetic energy of wind into mechanical energy, which can be used for tasks like grinding grain.

Front

What is hydroelectric power?

Back

Hydroelectric power is electricity generated by using the energy of flowing water.