The Boy Who Harnessed the Wind Vocabulary

What is Alternating Current (AC)?

• A flow of electrical charges in one direction

• A flow of electrical charges that change direction periodically

• A type of generator

• A machine that converts mechanical energy into electrical energy

What does deforestation involve?

• Clearing an area of deserts

• Clearing an area of forests and trees

• Planting more trees

• Creating artificial forests

In Direct Current (DC), how do electric charges move?

• They alternate direction periodically

• They move in one direction the entire time

• They move randomly

• They stop and start repeatedly

What is a drought?

• A long period without sunlight

• A long period without wind

• A long period without rain

• A short period of heavy rainfall

What do Dynamos do?

• Generate heat energy

• Convert kinetic energy into electrical energy

• Convert electrical energy into kinetic energy

• Store electrical energy

What is a famine?

• A time of abundant food supply

• A time of moderate food supply

• A time when food is extremely scarce

• A time where food is readily available

What is the purpose of fertilizer?

• To reduce plant growth

• To control pests

• To help plants grow

• To purify water

What is the function of a generator?

• Converts mechanical energy into electrical energy

• Converts electrical energy into mechanical energy

• Generates heat energy

• Produces light energy

What is maize?

• A type of generator

• A tall, skinny grass

• A chemical that helps plants grow

• Corn

What does a motor do?

• Converts mechanical energy into electrical energy

• Converts electrical energy into kinetic energy

• Converts kinetic energy into electrical energy

• Produces motion or power for doing work