3RD Quarter Flashcard (pp. 137-225)

Front

What is the primary source of energy that turns turbines in hydroelectric plants?

Back

River

Front

What does AC stand for in electrical terms?

Back

Alternating Current

Front

Where did William find a bike to use for his windmill?

Back

His living room

Front

What inspired William to create a windmill?

Back

He got the idea from the library.

Front

How did Malawi acquire books for their library?

Back

Through donations from the American government.

Front

What is the function of a windmill?

Back

To convert wind energy into mechanical energy.

Front

What is the difference between AC and DC current?

Back

AC (Alternating Current) changes direction periodically, while DC (Direct Current) flows in one direction.

Front

What are the benefits of using renewable energy sources?

Back

They reduce pollution, are sustainable, and decrease dependence on fossil fuels.

Front

What role do libraries play in education?

Back

They provide access to books and resources that support learning and research.

Front

What is the significance of observing nature in engineering?

Back

It can inspire innovative solutions and designs, like William's windmill.