the 3rd planet from the sun
earth
blue and green
earth
This forms when cold air and hot air mix and start to spin
tornado
These kinds of animals have live babies, instead of laying eggs
mammals
Pumps blood to the body
Heart
the 5th planet from the sun
Jupiter
is earth flat or around
around
This forms when ice crystals stick together in the atmosphere during cold, winter days
snow
All dog breeds are descended from this animal
wolf
helps our body move
Muscles
the 7th planet from the sun
Uranus
The earth is covered by 71% this
water
This is an air channel collapsing after a lightning strike. Sometimes its very loud!
thunder
This is how many species of animals there are on Earth:
A. 10.3 billion;
B. 500;
C. 8.7 million;
D. 74,956
C. 8.7 million
helps us breathe
Lungs
the 8th planet from the sun
Neptune
how long had earth been around
4 billion years
This happens when positively-charged particles and negatively-charged particles come close together inside a cloud
lightning
These insects outnumber humans a million to one
A: dogs
B: brids
C: ants
D: cats
ants
the fame that the rest of your body is built around
Skeleton
it has all the planets
The Solar System
what are the 4 elements
fire,water,air,earth
These form over the Atlantic Ocean in the warm, tropical waters, and then move north toward land
hurricane
These ancient animals are actually thought to be more related to birds than to reptiles
dinosaurs
Controls all of your actions
Brain