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145+ simple and easy science quiz for kids

May 11, 2020 By triviaquestionforkids

150+ Science trivia questions

This science trivia includes questions and some interesting facts about general science. Students may be already read most of the questions in their schools. But this will update your knowledge and refresh your past knowledge too. This trivia can help those who are interested to gather the knowledge related to science and for beginners as well.

Science quiz for kids

science trivia questions for kids

1. What is science?

Show Answer
A systematic study of structure and behavior of the physical and natural world through experiments and observations.

2. From which language the word science comes from?

Show Answer
Latin language.

3. Latin word ‘Scientia’ means?

Show Answer
Knowledge.

4. In which era, the earliest roots of science can be traced?

Show Answer
Ancient Egypt and Mesopotamia around 3500 to 3000 BCE.

5. Does modern science divide into many branches?

Show Answer
3.

6. Name that major branches of science?

Show Answer
Biology, Physics, Chemistry.

7. Who was the first to attempt to explain natural phenomena?

Show Answer
Early Greek philosophers of the Milesian school, later continued by his successors Anaximander and Anaximenes.

8. Who plays a significant role in the development of mathematical sciences?

Show Answer
Pythagoreans.

9. Who is the father of medicine?

Show Answer
Greek Doctor, Hippocrates.

10. Who is the father of modern science?

Show Answer
Galileo Galilei.

11. Who is geologist?

Show Answer
One who studies earth, rocks, and volcanoes.

12. Father of Geometry?

Show Answer
Euclid.

13. How many liters of saliva produce each day?

Show Answer
One liter.

14. Which part of the human body is more active during asleep?

Show Answer
Brain.

15. What is sound?

Show Answer
The vibration of air molecules.

Science quiz for class 1

16. Who is the father of biology?

Show Answer
Aristotle.

17. Who is the father of physics?

Show Answer
Galileo Galilei.

18. Who is the father of chemistry?

Show Answer
Jabir Bin Hayan.

19. Fishes are warm-blooded or cold-blooded animals?

Show Answer
Cold-blooded.

20. Which is the largest brain of all vertebrates relative to the size?

Show Answer
Human brain.

21. Frog and toads belong to which class?

Show Answer
Amphibians.

22. How many classes of vertebrates are there?

Show Answer
5.

23. Name that 5 classes?

Show Answer
Amphibians, Reptiles, Mammals, Birds, and Fishes.

24. Human belongs to which class?

Show Answer
Mammals.

25. The whale is a fish or a mammal?

Show Answer
Mammal.

26. What is the common name of Sodium carbonate?

Show Answer
Washing soda.

27. Which chemical do we use for the purification of water?

Show Answer
Chlorine.

28. The speed of a sound is?

Show Answer
340 meters per second.

29. What is botany?

Show Answer
The scientific study of plants.

30. What is zoology?

Show Answer
The scientific study of animals.

Science quiz for grade 4

31. The term ‘muscle’ comes from?

Show Answer
Latin language meaning little mouse.

32. What is ecology?

Show Answer
Interaction between living things and an environment.

33. Who is the father of evolution?

Show Answer
Charles Darwin.

34. The largest organ of the human body is?

Show Answer
Skin.

35. DNA stands for?

Show Answer
Deoxyribose nucleic acid.

36. What is the matter?

Show Answer
Anything that has a mass and occupies space.

37. Name the 12 human body systems?

Show Answer
Cardiovascular system, the digestive system, the endocrine system, the immune system, the integumentary system, the lymphatic system, the muscular system, the nervous system, the reproductive system, the respiratory system, the skeletal system, and the urinary system.

38. Which organ is responsible for the respiratory system?

Show Answer
Lungs.

39. Which organ is responsible for the nervous system?

Show Answer
Brain.

40. How many volts of electricity produced by an electric eel?

Show Answer
650 volts.

41. How many old earths is?

Show Answer
Between 4 and 5 billion years ago.

42. Which is the hottest planet in our solar system?

Show Answer
Venus.

43. Who was the first scientist to be awarded two Nobel Prizes?

Show Answer
Marie Curie.

44. Are the internet and the world wide web is the same thing?

Show Answer
No.

45. Which is the world’s tallest bridge?

Show Answer
Millau Viaduct in France.

Science quiz for class 2

46. What is the symbol of sodium chloride?

Show Answer
NaCl.

47. RBCs stand for?

Show Answer
Red blood cells.

48. Who discovered the cell?

Show Answer
Robert Hooke.

49. Mercury is also known as?

Show Answer
Quicksilver.

50. What is energy?

Show Answer
Ability to do work.

51. What is an atom?

Show Answer
Smallest particle in the world.

52. What is the function of the stomach?

Show Answer
It helps in digestion.

53. What is the unit of power?

Show Answer
Watt.

54. The central part of an atom is?

Show Answer
Nucleus.

55. The electron has which charge?

Show Answer
Negative charge.

56. Who represented the first atomic model?

Show Answer
John Dalton.

57. The principle of displacement was discovered by?

Show Answer
Archimedes.

58. Which color is a good reflector of heat?

Show Answer
Black.

59. Who represented the law of refraction?

Show Answer
Willebrord Snell.

Science quiz for grade 4

60. Name the colors represented in a rainbow?

Show Answer
Red, Oranges, Yellow, Green, Blue, Indigo, Violet.

Hard science quiz

61. The yellow color is a combination of which 2 colors?

Show Answer
Red and Green.

62. What is a brown box?

Show Answer
First-ever home video game.

63. What is the unit of resistance?

Show Answer
Ohm.

64. What are isotopes?

Show Answer
Atoms of the same element having the same atomic number but different atomic mass.

65. Cobalt-60 is used in?

Show Answer
Cancer treatment.

66. Male gametes are called?

Show Answer
Sperm.

67. The reverse process of peristalsis is called?

Show Answer
Vomiting.

68. What is ampere (A)?

Show Answer
Unit for electric current.

69. What is the use of fertilizer in agriculture?

Show Answer
To enhance the production of crops.

70. The atomic number is represented by?

Show Answer
Z.

71. Water freezes at which temperature?

Show Answer
0°C.

72. What us a freezing point?

Show Answer
The temperature at which water changes into ice.

73. The molecule is the combination of what?

Show Answer
Atoms.

74. What is hypertension?

Show Answer
High blood pressure.

75. What is phloem?

Show Answer
Tubelike cells in plants help to carry food.

Science quiz questions and answers for class 5

76. What is a galaxy?

Show Answer
A large group of stars in space.

77. The reproductive part of flowering plants is called?

Show Answer
Flower.

78. Is our solar system is the part of the milky way galaxy?

Show Answer
Yes.

79. What is speed?

Show Answer
Distance covers in unit time.

80. Sodium-24 is used to study?

Show Answer
Circulation of blood.

81. What are the blood vessels?

Show Answer
Tiny tubes that carry blood.

82. How many blood vessels are there?

Show Answer
3.

83. Name the blood vessels?

Show Answer
Arteries, Veins, and Capillaries.

84. Which blood vessel carries blood away from the heart?

Show Answer
Arteries.

85. Which blood vessels carry blood towards the heart?

Show Answer
Veins.

86. Which blood vessel is responsible for the transport of materials?

Show Answer
Capillaries.

87. Which thing is used to protect houses against short circuits?

Show Answer
Fuse.

88. ELCB stands for?

Show Answer
Earth Leakage Circuit Breaker.

Science quiz for class 2

89. How we can clean the water?

Show Answer
By boiling, by chlorination, by filtration and by the use of potash alum.

90. What is soft water?

Show Answer
Water which gives good lather with soap.

Science trivia quiz

91. Who is the father of nuclear physics?

Show Answer
Ernest Rutherford.

92. Who is the father of microbiology?

Show Answer
Antonie Philips Van Leeuwenhoek.

93. Who is the father of computer science?

Show Answer
George Boole and Alan Turing.

94. Who is the father of the periodic table?

Show Answer
Dmitri Mendeleev.

95. Who is the father of genetics?

Show Answer
Gregor Mendel.

96. Who is the father of psychology?

Show Answer
Sigmund Freud.

97. Who is the father of nuclear chemistry?

Show Answer
Otto Hahn.

98. Who is the father of surgery?

Show Answer
Sushruta.

99. Who is the father of electronics?

Show Answer
Micheal Faraday.

100. Who is the father of botany?

Show Answer
Theophrastus.

101. Who is the father of the telephone?

Show Answer
Alexander Graham Bell.

102. Who is the father of scientific management?

Show Answer
Friedrick Winslow Taylor.

103. Who is the father of the laptop?

Show Answer
Bill Moggridge.

104. Who is the father of modern astronomy?

Show Answer
Nicolas Copernicus.

105. Who is the father of the internet?

Show Answer
Vint Cerf.

Interesting science quiz for kids

106. What is the color of liquid oxygen?

Show Answer
Blue.

107. Air becomes liquid at which temperature?

Show Answer
-190°C.

108. What are the best conductors of heat and electricity?

Show Answer
Graphene.

109. What is dry ice?

Show Answer
The solid form of carbon dioxide.

110. The human brain contains how much water?

Show Answer
More than 78%.

111. Which noble gad is lighter than air?

Show Answer
Helium.

112. Which part of the nucleus does not carry fire?

Show Answer
DNA.

113. The first element in the periodic table is?

Show Answer
Hydrogen.

114. Which is the only element that can stay at room temperature?

Show Answer
Bromine and Mercury.

115. Fire spreads uphill quickly than downhills why?

Show Answer
Because temperature affects rate6of consumption.

116. Which elements do glow in dark?

Show Answer
Radioactive elements.

117. Is it possible to die to drink too much water?

Show Answer
Yes.

118. What is the composition of chalk?

Show Answer
Made up of trillions of microscopic skeleton fossils of plankton.

119. Which is the heaviest metal?

Show Answer
Ununoctium.

120. Which element is highly inflammable?

Show Answer
Hydrogen.

Easy science questions.

121. Why frogs don’t drink water?

Show Answer
Because they absorb it through the skin.

122. Which is the hardest chemical substance in the human body?

Show Answer
Tooth enamel.

123. Name forms of carbon?

Show Answer
Graphite, Diamond.

124. Which freezes quickly. Hot water or cold water?

Show Answer
Hot water.

125. Which acid is so corrosive?

Show Answer
Hydroflouric Acid.

126. The surface of Mars is red. Why?

Show Answer
Because of the iron oxide.

127. Bee’s stings are acidic or alkaline?

Show Answer
Acidic.

128. Wasp stings are alkaline in nature. Is it true?

Show Answer
Yes.

129. The most abundant element on earth is?

Show Answer
Oxygen.

130. The most abundant element of the universe is?

Show Answer
Hydrogen.

131. Which is the only alphabet that doesn’t come in the periodic table?

Show Answer
J.

132. All parts of the human body can repair themselves except?

Show Answer
Teeth.

133. The red color of blood is due to?

Show Answer
Hemoglobin

134. What is myopia?

Show Answer
Nearsightedness.

135. Name the senses the human body has?

Show Answer
Vision, Hearing, Smell, Taste, Touch, Balance, Temperature, Pain, Proprioception.

Science trivia for kids

136. Name three states of matter?

Show Answer
Solid, liquid, gas.

easy quiz questions for kids

137. Temperature can be measured in scales. Name them?

Show Answer
Celsius, Fahrenheit, Degree.

138. Per year, how many, a human lose their skin cells?

Show Answer
4 kg.

139. Human teeth are as strong as?

Show Answer
Shark teeth.

140. How many scents a human nose can recognize?

Show Answer
A trillion different scents.

141. Our planet is made up of mostly which elements?

Show Answer
Iron, Carbon, Silicon with a little bit of magnesium.

142. Which animal has three hearts?

Show Answer
Octopus.

143. The oldest living tree is in the?

Show Answer
California around 4,843 years old.

144. The largest organism on the earth is?

Show Answer
Quaking Aspen.

145. Can we hear in space?

Show Answer
No, because there is no air over there, called vacuum.

146. Why leaves are green in color?

Show Answer
Because of chlorophyll.

147. Air is made up of?

Show Answer
Oxygen, Nitrogen, and carbon dioxide.

148. What is gravity?

Show Answer
Force of attraction among all objects in space.

149. How big a bacteria is?

Show Answer
Ranges from about 0.5 to 5 microns long.

150. What is lubricating oil?

Show Answer
Used in vehicles to reduce friction.

Want to read more interesting and funny stuff? try this 80+ Fun trivia questions for kids [Funny quiz for kids]

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