Human Body
Stars and Planets
Random Category 1
Plants and Animals
Random category 2
100
True or false - there are 206 bones in an adult human body and 300 bones in an infants body?
True. Some bones in infants skulls have not yet fused together.
100
How old is our Sun?
5 billion years... we think...
100
Where does sound travel faster; water or air?
Water.
100
Is a tomato a fruit or vegetable?
A fruit
100

True or False. An octopus has three hearts.

True!

200
True or false- most of the dust in your home is made of human skin?
True - up to 70%!
200
Which is the hottest planet in the solar system?
Venus, surface temperature 460oC
200
Why do bubbles pop?
They get too dry from the surrounding air.
200
What is oldest living thing known on Earth?
A bristlecone pine in California... it's about 4600 years old!
200

There is half a pound of what in your body?

Salt

300
Can you lick your elbow?
No. Now be honest, did you try?
300
What is the definition of dust?
A particle small enough to be carried by air currents.
300
Can you fold a piece of paper in half 7 times?
No, at least not using everyday paper.
300
What is the world's tallest grass?
Bamboo. Some species reach up to 39 metres in height.
300

How many times more do you weigh on Earth than you would weigh on the moon?

Six times 

400
True or false; your body's temperature rises slightly during digestion?
True
400
Who invented the first seismograph? When?
Approximately A.D. 200 in China
400

If you mix all light colours, do you get black, white or a rainbow?

White

400

What animal sleeps with one eye open?

Dolphins

400

True or False. Astronauts grow taller after going into space.

True. They grow about 2 inches!

500
Do you have the same number of neck vertebrae as giraffe's?
Yes.
500
True or false - is lightning 3 times hotter than the Sun?
True!
500
True or False. Germany has a LEGO bridge you can walk across. 

True 

500

What is the colour of a Polar Bear's skin?

Their skin colour is black and their fur is white. 
500

There are about 3000 of these orbiting the Earth 

Satellites 

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