Animals
One way to tell the age of a fish is by looking at its
scales
In one day your heart beats
100,000 times
Tired of the cold weather? Take a vacation on the hottest planet in the solar system –___
Venus
About __ percent of the earths land is made up of desert
20
The ice cream cone was originally a way to hold _____, not ice cream!
flowers
The northern fur seal, rather than using a layer of fat to keep it warm, depends on its
thick fur
Half your body’s red blood cells are replaced every __ days.
7
The biggest canyons in the world are under ____
water
On a clear night, the human eye can see between _,000 and _,000 stars in the sky.
2-3
The first modern traffic light was put to use in Cleveland, Ohio, in 19__.
14
A gecko uses its ____ to clean its eyeballs!
tongue
By the time you are ___ you will have easily drunk over 12,000 gallons of water.
70
There are giant waterfalls under the ___!
ocean
There is a huge cloud of objects made of ice and ___ encircling our solar system, called the Oort Cloud.
rock
Babe Ruth kept a cabbage leaf under his cap to keep ___.
cool
Flamingos can only eat with their heads______.
upside down
It takes food __ seconds to go from the mouth to the stomach via the esophagus.
7
The more salt you put on ice, the more the ice ____.
melts
Australia is the only continent on earth without an active ____.
volcano
You speak about _,___ words a day.
4800
A duck has ___ eyelids.
3
Your forearm (from inside of elbow to inside of wrist) is the same length as your ___.
foot
One inch of rain is equal to __ inches of snow.
10
The Earth is ___ billion years old.
4.5
___ is the only food that won’t spoil.
Honey