Surface of the Earth
How much of the Earth's surface is water?
Around 70%
How many layers does the earth have?
three (or four)
A __________ is when the weather is bad, usually this means strong winds and lots of rain.
storm
A ______ is a big ball of burning gas and plasma, it makes lots of light and heat.
star
generators
How many oceans does the earth have?
Five
The layer on the surface (top) is called the _______.
crust
A ________ is a large storm that starts over an ocean, it has very strong winds that can hurt buildings and trees.
typhoon
A __________ is a group of stars that we think makes a picture.
constellation
One way people can power generators is to use water by building a _________.
dam
A large landmass is called a ___________.
continent
Below the crust is the ________, which is made of hot, soft rock.
mantle
A _________ is a storm that is usually small and starts over land, but has very very strong winds, it can pick up things like cars and throw them a long distance.
tornado
A _________ is a large group (collection) of stars that all orbit around a central point.
galaxy
We use wind energy by building _____ ________.
wind turbines
How many continents does the earth have?
seven
The center (middle) of the earth is called the _______.
core
A ________ is a kind of storm that has lots of snow that can cover cars and even houses.
blizzard
Our galaxy is called the _______ ______.
Milky Way
We can use energy from the sun using ______ _____s.
solar cell
Name the seven continents...
North America, South America, Africa, Asia, Australia, Europe and Antarctia.
____________ ______ is made when magma or lava cools.
Igneous rock
The earth's outer layer that is made of gases is called the _________.
atmosphere
How many galaxies are there?
many billions
(100,000,000,000 to 200,000,000,000)
Energy from the heat inside the earth is called ____________ energy.
geothermal