Lesson 1
Most of the earth is covered by ___.
water
Some landforms are big, like ___.
mountains
The ___ is above the surface of the earth.
sky
The sun is a ___.
star
The earth is our ___.
home
The ice in the Arctic and ___ is water, too.
Landforms can be high, low, or ___
flat
These changes are called ___.
weather
Sometimes the ___ looks bright at night.
moon
We make things like clothes, ___, and medicine from plants
paper
salt, fresh
___ are smaller and lower than mountains.
Hills
Some people use a ___ ___ to see how strong the wind is.
wind sock
The moon is made of ___.
rock
Scooters and ___ can make the air dirty.
cars
Most plants and animals need ___ ___.
fresh water
A ___ is the low area between two mountains or hills.
valley
The air is usually ___ at night.
colder
The earth ___, or spins.
rotates
The things people use from the earth are called ___ ___.
natural resources
Rivers and streams carry water to lakes and ___.
oceans
A very steep wall of rock is called a ___.
cliff
A ___ ___ shows us how much rain has fallen.
rain gauge
When your part of earth is facing the sun, it is ___.
daytime
We can also ___ wood to stay warm.
burn