25 General Science Quiz (51-75)

25 General Science Quiz (51-75)

51. What is the first element on the periodic table? – Hydrogen

52. What is the centre of an atom called? – A nucleus

53. True or false? Acids have a pH level below 7. – True

54. What is the main gas found in the air we breathe? – Nitrogen (around 78%)

25 General Science Quiz (51-75)

55. True or false? An electron carries a positive charge. – False

56. Famous New Zealand scientist Ernest Rutherford was awarded a Nobel Prize in which field? –

57. What is the chemical symbol for gold? – Au

58. K is the chemical symbol for which element? – Potassium

59. What orbits the nucleus of an atom? – Electrons

60. At room temperature, what is the only metal that is in liquid form? – Mercury

61. True or false? A neutron has no net electric charge. – True

62. A nuclear reaction where the nucleus of an atom splits into smaller parts is known as nuclear fission or nuclear fusion? – Nuclear fission

63. What is H20 more commonly known as? – Water

64. What is the third most common gas found in the air we breathe? – Argon (around 1%)

65. What is the name given to substances that are initially involved in a chemical reaction? –

66. True or false? Bases have a pH level below 7. – False

67. Is sodium hydroxide (NaOH) an acid or base? – Base

68. Atoms of the same chemical element that have different atomic mass are known as? – Isotopes

69. True or false? A proton carries a positive charge – True

70. What is the fourth most abundant element in the universe in terms of mass? – Carbon

71. The scientific study of plant life is known as what? – Botany

72. The process of plants using energy from sunlight to turn carbon dioxide into food is known as what? – Photosynthesis

73. True or false? In the right conditions bamboo can grow over 60cm (24in) in just one day. – True

74. The movement of pollen from the anthers to the stigma of a flower is known as what? –

75. Amber is made from fossilized tree? – Resin

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