a competition .simple science.

1. 1

2. Science Quiz
Prepared by Naci Urkmez
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3. CHEMISTRY
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4. What is Na Cl (Sodium Choloride )?
a. Chalk
b. Sugar
c. Coal
d. Salt
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5. Which is the most abundant element on Earth?
a. Oxygen
b. Iron
c. Nitrogen
d. Carbon
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6. What is the chemical symbol for silver ?
a.
Au
b.
Ag
c.
S
d.
Si
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7. Which of the following is not a greenhouse gas?
a.
ozone
b.
carbon dioxide
c.
hydrogen
d.
methane
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8. BIOLOGY
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9. When was Darwin’s The Origin of Species published?
a.
1809
b.
1859
c.
1909
d.
1959
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10. Which type of insect has the largest number of
different species?
a. Flies
b. ants
c. beetles
d. moths
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11. How long is an elephant pregnancy?
a.
10 months
b.
16 months
c.
22 months
d.
28 months
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12. How old is the oldest tree in the world?
a.
90 years
b.
900 years
c.
9,000 years
d.
90,000 years
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13. 13

14. Which is the best conductor of electricity?
a.
Wood
b.
air
c.
water
d.
rubber
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15. How far does sound travel through air in one second?
a.
340
metres
b.
1,340 metres
c.
2,340 metres
d.
3,340 metres
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16. What’s the boiling point of water at 5,000 metres above
sea level?
a.
100°C
b.
95°C
c.
90°C
d.
85°C
16

17. In which year did Einstein win the Nobel Prize for Physics?
a.
1821
b.
1871
c.
1921
d.
1971
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19. What was the first mammal to be cloned?
a. a sheep
b. a rabbit
c. a dog
d. a monkey
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20. How much working DNA do humans and mice share?
a.
5%
b.
35%
c.
65%
d.
95%
20

21. • What plant did Gregor Mendel use in his experiments on
inheritance?
a. carrots
b. tomatoes
c. peas
d. potatoes
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22. How many genes does a person have?
a.
46
b.
21,000
c.
100,000
d.
31,000,000,000
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23. 23

24. Which country has the most volcanoes?
a.
Russia
b.
Ecuador
c.
Italy
d.
Indonesia
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25. When did India collide with Asia?
a.
50,000 years ago
b.
500,000 years ago
c.
5,000,000 years ago
d.
50,000,000 years ago
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26. Which country has most of the world’s uranium reserves?
a.
The USA
b.
Australia
c.
Nigeria
d.
China
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27. How much did the largest ever gold nugget weigh?
a.
65 g
b.
65 kg
c.
650 kg
d.
6.5 tonnes
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28. Answers
1 salt
2 oxygen
3 hydrogen
4 Ag (Au is gold, S is sulphur, Si is silicon)
5 1859
6 beetles (more than 300,000 species)
7 22 months
8 9,000 years (a spruce tree in Sweden)
9 water
10 340 metres
11 85°C
12 1921
13 a sheep
14 95%
15 peas
16 21,000
17 Indonesia (150 volcanoes)
18 50,000,000 years ago (the impact formed the Himalayas)
19 Australia
20 65 kg
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