Windmills

Windmills are used to create what?

• Heat

• Wind

• Electricity

• Magnetism

A wind farm is a place with a lot of wind.

• True

• False

How many blades does a windmill contain?

The first windmill was made out of...

• Metal

• Wood

• Brick

• Other

Alex owned a windmill farm in his hometown. One day, Alex went to check his windmills out when he found out that they were not moving nor spinning and wouldn't produce electricity. What is the reason why the windmills are not working?

• The windmills are broken.

• There is no wind.

• There isn't electricity.

• The generator has a problem.

Joe buys 4 toy windmills for his Science project. He has coupons for $1.50 off the regular price of each windmill toy. After using the coupons, his total cost was $9.00. Determine the regular price of one windmill toy.

• $3.75

• $0.75

• $2.25

• $6.00

A taxi service charges $2.00 plus $0.50 per mile for a trip to the windmill farm. The total charge is $14.50. Determine how many miles it is to the windmill farm.

• 12.5 miles

• 20 miles

• 12.6 miles

• 25 miles

A windmill has a mass of 1298kg and an acceleration at a rate of 18m/s when a net force is applied to it. What is the magnitude of the net force that is acting on the object?

* F= Ma

• 72.1n

• 71.1n

• 70.1n

• 72.2n

What generates electricity?

Why were windmills invented?

• For lifting water.

• To create electricity.

• To make the world look modern.

• To help people.