Space
Earth
Weather
Life
100
The third planet from the Sun
the Earth
100
What covers the earth by 71%?
by Water
100
This forms when cold air and hot air mix and start to spin
a tornado
100
These kinds of animals have live babies, instead of laying eggs
a. Reptiles b. Mammals c. dino
"Mammals"
200
The substance from which everything is made (even you!)
matter
200
The three layers of the Earth are the core, the mantle, and the crust. The top layer, the crust, is where we live and is made up of these
tectonic plates
200
This forms when ice crystals stick together in the atmosphere during cold, winter days
a Snow
200
All dog breeds are descended from this animal
"Wolf"
300
The Biggest Planet in the Solar System
Jupiter
300
These ______ _______ are the areas where a rubbing makes the "Earth Shake".
Fault lines
300
This is an air channel collapsing after a lightning strike. Sometimes its very loud!
a thunder
300
How many species of animals are on Earth:
A. 10.3 billion; B. 500; C. 8.7 million; D. 74,956
C. 8.7 million?
400
An object in space that creates natural light through the process of nuclear fusion (atoms smashing together at very high speeds).
a star
400
Covers earth about 29%
land
400
This happens when positively-charged particles and negatively-charged particles come close together inside a cloud
a Lightning!
400
These insects outnumber humans a million to one
"ants"
500
The smallest Planet in the Solar System
Pluto
500
These are strongest where tectonic plates meet
earthquakes
500
These form over the Atlantic Ocean in the warm, tropical waters, and then move north toward land
a hurricane
500
These ancient animals are actually thought to be more related to birds than to reptiles
the dinosaurs