Unlocking the Secrets of the Universe

100. The study ,of matter ,and energy is known as…..?
     Answer: “Physics”..
101. What is, the chemical symbol, for (oxygen),?
     Answer: “O”..
102. What is, the force, that pulls objects towards,(the centre of the Earth), 🌎?
     Answer: “Gravity”..

103.The process ,by which plants make, their own food …….?
Answer: “Photosynthesis”..

104. What is, the main component, of (the Earth’s atmosphere),?
     Answer: “Nitrogen”..
105. What is, the chemical symbol, for (gold),?
     Answer: “Au”..
106. The study ,of living organisms ………?
     Answer: “Biology”..

107.The process, by which water changes, from a liquid ,to a gas ……..?
Answer: “Evaporation”..

108. What is, the chemical symbol, for (carbon dioxide),?
     Answer: “CO2”..

109.: What is, the main function of ,red blood cells, in the human body?
Answer: “Oxygen transport”..

110. What is, the chemical symbol ,for (sodium),?
     Answer: “Na”..
111. The process, by which rocks, are broken down, into smaller pieces ……..?
     Answer: “Weathering”..
112. What is ,the unit of measurement, for (electric current),?
     Answer: “Ampere (A)”..
113. What is ,the chemical symbol ,for carbon?
     Answer: “C”..
114. What is ,the layer of, the Earth’s atmosphere, where (weather occurs),?
     Answer: “Troposphere”..
115. What is ,the only planet, in the solar system, identified to (support life),?
     Answer: “The Earth”..
116. The study of, the behaviour ,and properties of matter …….?
     Answer: “Chemistry”..
117. What is ,the chemical symbol ,for (potassium),?
     Answer: “K”..
118. What is, the main function of, white blood cells ,in the human body?
     Answer: “Immune defense”..
119. What is, the chemical symbol, for (helium),?
     Answer: “He”..

120.The process, by which rocks, are formed, from pre-existing rocks ……?
Answer: “Rock cycle”..