Earth's Rotation and Revolution Vocabulary

Front

constellation

Back

a group of stars in the night sky that form a pattern

Front

model

Back

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

Front

orbit (revolve)

Back

circling another object, like the Earth around the Sun

Front

rotate

Back

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

Front

season

Back

a time of year with specific weather that repeats every year

Front

east

Back

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

Front

north

Back

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

Front

south

Back

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