Basic Science
What is the name of the red planet in our solar system? | |||||
|---|---|---|---|---|---|
Mars | |||||
What is the chemical symbol for oxygen? | |||||
O | |||||
What gas do plants absorb from the atmosphere for photosynthesis? | |||||
Carbon dioxide | |||||
What is H2O commonly known as? | |||||
Water | |||||
Which planet is known for its prominent ring system? | |||||
Saturn | |||||
What part of the human eye controls the amount of light entering? | |||||
Iris | |||||
What is the unit of electrical resistance? | |||||
Ohm | |||||
What phenomenon causes the apparent change in frequency of a wave due to motion between source and observer? | |||||
Doppler effect | |||||
Which fundamental force is responsible for binding protons and neutrons in the nucleus? | |||||
Strong nuclear force | |||||
What is the powerhouse of the cell? | |||||
Mitochondria | |||||
The Richter scale is used to measure the magnitude of what natural phenomenon? | |||||
Earthquakes | |||||
What law states that energy cannot be created or destroyed, only converted from one form to another? | |||||
Conservation of energy (First law of thermodynamics) | |||||
Which instrument is used to view extremely small objects such as cells? | |||||
Microscope | |||||
What is the speed of light in vacuum in metres per second (approximate)? | |||||
About three hundred million metres per second (≈ 3.0 × 10^8 m/s) | |||||
What is the chemical formula for table salt? | |||||
NaCl | |||||
Which vitamin is produced in human skin upon exposure to sunlight? | |||||
Vitamin D | |||||
What device is used to measure atmospheric pressure? | |||||
Barometer | |||||
Who proposed the theory of general relativity? | |||||
Albert Einstein | |||||
What is the most abundant gas in Earth's atmosphere? | |||||
Nitrogen | |||||
What scale is used to measure acidity or alkalinity of a solution? | |||||
pH scale | |||||
What branch of science deals with the study of fossils? | |||||
Paleontology | |||||
What is the process called when water vapor turns into liquid water on a cool surface? | |||||
Condensation | |||||
Which phase change occurs when a solid turns directly into a gas? | |||||
Sublimation | |||||
Which particle in an atom has a negative electric charge? | |||||
Electron | |||||
What is the basic unit of heredity in living organisms? | |||||
Gene | |||||
Which layer of Earth's atmosphere contains the ozone layer? | |||||
Stratosphere | |||||
What term is used for animals that maintain a constant internal body temperature? | |||||
Endotherms | |||||
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