This document contains a 27 question science quiz covering topics in chemistry, biology, physics, and earth science. The quiz includes multiple choice questions testing knowledge of elements and compounds, scientific discoveries and inventors, animal facts, and geological phenomena. The correct answers are provided at the end.

1. 1

2. Science Quiz
Prepared by Naci Urkmez
2

3. CHEMISTRY
3

4. What is Na Cl (Sodium Choloride )?
a. Chalk
b. Sugar
c. Coal
d. Salt
4

5. Which is the most abundant element on Earth?
a. Oxygen
b. Iron
c. Nitrogen
d. Carbon
5

6. What is the chemical symbol for silver ?
a.
Au
b.
Ag
c.
S
d.
Si
6

7. Which of the following is not a greenhouse gas?
a.
ozone
b.
carbon dioxide
c.
hydrogen
d.
methane
7

8. BIOLOGY
8

9. When was Darwin’s The Origin of Species published?
a.
1809
b.
1859
c.
1909
d.
1959
9

10. Which type of insect has the largest number of
different species?
a. Flies
b. ants
c. beetles
d. moths
10

11. How long is an elephant pregnancy?
a.
10 months
b.
16 months
c.
22 months
d.
28 months
11

12. How old is the oldest tree in the world?
a.
90 years
b.
900 years
c.
9,000 years
d.
90,000 years
12

13. 13

14. Which is the best conductor of electricity?
a.
Wood
b.
air
c.
water
d.
rubber
14

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
15

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
17

18. 18

19. What was the first mammal to be cloned?
a. a sheep
b. a rabbit
c. a dog
d. a monkey
19

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
21

22. How many genes does a person have?
a.
46
b.
21,000
c.
100,000
d.
31,000,000,000
22

23. 23

24. Which country has the most volcanoes?
a.
Russia
b.
Ecuador
c.
Italy
d.
Indonesia
24

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
25

26. Which country has most of the world’s uranium reserves?
a.
The USA
b.
Australia
c.
Nigeria
d.
China
26

27. How much did the largest ever gold nugget weigh?
a.
65 g
b.
65 kg
c.
650 kg
d.
6.5 tonnes
27

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
28