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1 What is the closest star to planet Earth?
2 In degree Celsius, what is the temperature of boiling water?
3 How many colours are there in a rainbow?
4 What is heavier: lead or gold?
5 What two gasses make water?
6 How long does it take for the sun’s light to reach planet Earth?
7 What metal is often used in thermometers?
8 What is the name of the galaxy containing planet Earth?
9 A crocodile is what type of animal?
10 How many tentacles does an octopus have?
11 What gas do humans breath out?
12 How many feet do bipeds have?
13 What is measured in Volts?
14 What do pandas mostly eat?
15 What do evergreen trees not lose?
16 Where is the smallest bone in the human body?
17 What year did a man first walk on the moon?
18 What are the 3 primary colours of light: red, green and ??
19 What type of rays do doctors use to see bones in the human body?
20 What is hotter boiling water or boiling milk?