COMPOSITION
Earth is mainly composed of....
what are rocks and metals?
Auroras are visible when....
when suns magnetic field hits Earth?
our Earth is not the only planet with -----, just the only one with ------ form.
what is water and liquid?
our Earth is estimated ------ years old.
what is 4.6 billion?
we need ------ and -------- and ------- to live
what is food, water and oxygen?
Earths core contains mostly these metals...
what is nickel and iron?
you will see ---- at opposition Sept 8
what is Saturn?
our Earths diameter is an eleventh of -------.
what is Jupiter's?
Earth been through ------ eras
what is 10 (11 if you count Taylor swift)?
for life to form on planets, we need to be in the ------- zone
what is Goldilocks?
Earths moon was formed by...
when theia collided with earth?
our annual ----- ---- will be visible on Chile and Easter island Oct 2
what is annual solar eclipse?
fact: a "ring of fire" will appear around the moon on this date!
if our Earth was bigger, ----- would be stronger and
----- speed would be faster.
what is gravity and wind?
our Earth joined the solar system ----- years after the sun formed
what is 0.05 billion?
our Earth's tempature is --------
what is 57 degrees farinhiet?
Earth has how many "building blocks" aka elements inside its atmosphere?
what is 118?
on the moon, you can see ---- sunsets/sunrises on the moon
what is 16?
specimen named "adult" need ------ to survive
what is coffee?
earth will live for ------ more years
what is 7.59 billion?
--------- amount of species living things are on earth
what is 8.7 Million?