​shadows

• ​are longest at sunrise and sunset

• ​are shortest at noon

• ​are always opposite the sun (the sun rises in the east and sets in the west)

​the moon

• ​is 1/4 the size of the earth

• ​is 30 earth diameters away from the earth

• ​the moon phases start from nothing, get bigger, get smaller, and restarts

• ​the moon takes 4 weeks to complete it's orbit around the earth

day and night​

• ​day is caused by the sun hitting the side of the earth that you are on

• ​night is caused by the sun hitting the opposite side of the earth that you aren't on

​tides

1. ​are caused by the moon's gravitational pull and it pulls one side of water towards it, when the moon circles the earth the gravitational pull gets pulled along by the moon

2. ​there are 2 low/high tides a day

​seasons

• ​happen because the earth is tilted

• ​when the sun hits the earth, the direct part that it's hitting will be the hottest, making it summer

• ​the other parts will be colder

​planets

• ​the moon circles and spins around the earth

• ​the earth circles and spins around the sun

• ​you can fit about 1 million earths in the sun