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Planet Facts
Reptiles
Weather
Fish
Birds
100
Also known as the "Earth's twin"
What is Venus
100
Tiniest snake in the world
What is the blind snake
100
The basic cause of all weather
What is the sun
100
The breathing organs of fish
What are gills
100
This is the largest bird in the world
What is the ostrich
200
Is only slightly larger in size than our moon
What is Mercury
200
The lizard that can squirt a stream of blood from its eyes
What is the horned lizard
200
How many major wind systems are there
What is three
200
This fish has both of its eyes on one side of its head
What is the flounder
200
This bird is the only one that can fly backwards
What is the hummingbird
300
Was the first planet discovered in modern times
What is Uranus
300
Process in which a snake loses its outer skin
What is molting
300
Different seasons are caused by this
What is the tilt of the Earth's axis
300
The lamprey is an example of this kind of fish
What is a jawless fish
300
This bird encloses itself in its nest with a mud wall
What is the hornbill
400
Has huge, powerful thunderstorms that occur in its atmosphere
What is Jupiter
400
Round, tough layers of skin covering the turtle's shell
What are scutes
400
Dew and frost are caused by this
What is condensation
400
For protection, most fish have a coat of hard, rounded disks called this
What are scales
400
This bird can dive through the air at speed of 220 mph or more
What is the peregrine falcon
500
The Viking spacecraft landed here
What is Mars
500
The upper section of a turtle's shell
What is the carapace
500
The amount of water vapor the air can hold at a given temperature
What is relative humidity
500
The structure that helps the fish stay at one level in the water without sinking
What is the swim bladder
500
This bird is the South American relative of the ostrich
What is the rhea