terms
lesson 1
lesson 2
lesson 3
lesson 4
100

a giant ball of hot, glowing gas

star

100

true or false : Earth is small compared to the sun 

true 

100

one complete trip around the sun is called ?

revolution 

100
true or false : the moon makes its own light 

false : it comes from the suns reflection 

100

a tool that magnifies faraway objects 

telescope 

200

each different way the moon looks

phase

200

are shadows long or short during midday ?

short 

200

true or false : earth's axis always points towards the same direction in space 

true 

200

can you always see a lighted half moon ?

no, sometimes it is not visible from earth 

200

true or false: all stars are the same size 

false 

300

a group of stars that make a pattern 

constellation 

300

earth makes one rotation every _______ hours 

24

300

what are the seasons caused by ?

Earth's tilt and movement around the sun 

300

true or false: it takes the moon about 29 days to complete one rotation 

false: about 27 days 

300

what do some telescopes use to help see

mirrors and lenses 

400

an imaginary line around which the earth spins 

axis 

400

how much of earth is always facing the sun 

Half 

400

true or false : the sun appears closer in the sky during the summer than it does in the winter 

false: it appears higher 

400

when the earth blocks the sunlight from reaching the moon

 lunar eclipse 

400

are all stars the same brightness ?

no, brightness in stars are different 

500

one complete spin on an axis 

rotation 

500

true or false : the length and directions of shadows stay the same throughout the day 

false: they change 

500

which season has more sunlight ? winter or summer 

summer

500

what does a full moon look like?

a complete circle 

500

are the stars in a constellation far or close together 

far