Geography and Astronomy Basics

Front

axis

Back

An imaginary line that goes through the North Pole and South Pole of the Earth.

Front

circumference

Back

the distance around a circle

Front

model

Back

a pretend version of something that scientists use when the real thing is too big, too small, or too complicated to work with

Front

planet

Back

a large, round object in outer space that orbits a star

Front

rotate

Back

to spin or turn around a central point, like the Earth around its axis

Front

east

Back

one of the four main directions; if you are facing north, it is to the right

Front

north

Back

one of the four main directions; when you face north, west is to the left and east is to the right

Front

south

Back

one of the four main directions; if you are facing north, it is the direction behind you

Front

sundial

Back

a tool that tells time by using the changing direction of shadows caused by the sun's movement across the sky

Front

west

Back

one of the four main directions; if you are facing north, it is to the left