Font size
WorksheetsWind power
Total questions: 27
Worksheet time: 37mins
The wind can (a) a leaf off a tree, keep a kite
in the sky, or even push a sailboat.
For thousands of years, people have used
wind power to.......................
sail across rivers and seas
walk across rivers and seas
fly across rivers and seas
People had (a) in ancient Egypt. They
sailed up and down the Nile River.
They would
load their sailboats with (a) and carry them
down the river.
Later, people set sail from
(a) They sailed across the oceans.
They
discovered new places, including the Americas.
Some people even used sailboats to travel ..............
around the world
under the world
in the world
on the world
Energy from the sun warms (a) the air over land
more quickly than the air over water.
The wind can be (a) and calm. It
can also be very powerful, causing damage
to our homes.
Wind has .......................... the force that
moves things.
kinetic energy,
kind energy
skin energy
Wind gets this energy from the
(a)
Which stage happens first?
the air rises up
the sun warms up the air
Wind is...
Non-moving air
moving air
Sailboats were the only way that people
used wind power long ago.
True
False
They also built
(a) to help capture energy from
the wind. They make it possible for us
to use wind power to do work.
What makes the windmills' arms move?
(a)
The turning arms provide (a)
for machines inside the windmill.
People can use windmills to (a) water.
Why did people in America build windmills in the 1800s and 1900s?
They needed food to eat.
They needed water to drink and water their farm
Where did they get the water from?
underground
from the river
from the lakes
When did people in China start using Windmills?
from more than 1000 years ago.
from more than 2000 years ago
from more 3000 years ago.
Persia is ..........nowadays.
Iraq
Iran
People used them to grind (a) to make food.
People in the................... used windmills this way too.
Middle East
Middle West
Middle North
Middle South
WHen windmills turned on a........................., or
side-to-side, axis, they make more enegry
horizontal
vertical
Where did they design new kind of windmill?
Holland
Norway
Switzerland
The new Dutch windmills had......................long arms.
2
4
Why did people in Holland use the windmills to pump out the water from the land?
To make swimming pool.
To make more land for farms.
