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 Science & Technology 50 Flashcards |
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Fill in the blank: The SI unit of luminous intensity is ___. |
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Candela
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True or False: Antimatter and matter annihilate each other upon contact, releasing energy. |
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True |
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Which law states that energy cannot be created or destroyed, only transformed? |
Card: 5 / 50 |
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Law of Conservation of Energy
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Card: 6 / 50 |
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Riddle: I am the only metal that exists in liquid form at room temperature. What am I? |
Card: 7 / 50 |
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Mercury
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Card: 8 / 50 |
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Fill in the blank: In quantum mechanics, the uncertainty principle was proposed by ___. |
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Werner Heisenberg |
Card: 10 / 50 |
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Which subatomic particle has zero charge but contributes to atomic mass? |
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Neutron
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True or False: Graphene is an allotrope of silicon. |
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False. Graphene is an allotrope of carbon. |
Card: 14 / 50 |
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Fill in the blank: The function of the myelin sheath in neurons is to ___. |
Card: 15 / 50 |
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Increase the speed of electrical impulses |
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What is the chemical formula of ozone? |
Card: 17 / 50 |
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O₃ |
Card: 18 / 50 |
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Riddle: I am the force responsible for holding atomic nuclei together, stronger than electromagnetism. What am I? |
Card: 19 / 50 |
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Strong Nuclear Force |
Card: 20 / 50 |
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True or False: RNA contains thymine instead of uracil. |
Card: 21 / 50 |
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False. RNA contains uracil (U) instead of thymine (T). |
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Fill in the blank: The process of converting light energy into chemical energy in plants is called ___. |
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Photosynthesis |
Card: 24 / 50 |
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Which organelle is known as the powerhouse of the cell? |
Card: 25 / 50 |
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Mitochondria
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Card: 26 / 50 |
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Riddle: I am the largest moon in the Solar System. What am I? |
Card: 27 / 50 |
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Ganymede (moon of Jupiter) |
Card: 28 / 50 |
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Fill in the blank: The chemical element with atomic number 92 is ___. |
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Uranium |
Card: 30 / 50 |
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True or False: Sound waves can travel through space. |
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False. Sound needs a medium to propagate. |
Card: 32 / 50 |
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Which branch of science deals with black holes and the structure of the universe? |
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Astrophysics |
Card: 34 / 50 |
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Riddle: I am an artificial material that conducts electricity without resistance at very low temperatures. What am I? |
Card: 35 / 50 |
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Superconductor |
Card: 36 / 50 |
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Fill in the blank: The scientist who discovered the neutron was ___. |
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James Chadwick
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Card: 38 / 50 |
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True or False: Protons and neutrons are made up of quarks. |
Card: 39 / 50 |
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True |
Card: 40 / 50 |
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Which technology is used in MRI (Magnetic Resonance Imaging) scans? |
Card: 41 / 50 |
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Nuclear Magnetic Resonance (NMR) |
Card: 42 / 50 |
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Fill in the blank: The scientist who discovered penicillin was ___. |
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Alexander Fleming |
Card: 44 / 50 |
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Riddle: I am a hypothetical particle that moves faster than light. What am I? |
Card: 45 / 50 |
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Tachyon |
Card: 46 / 50 |
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True or False: Hydrogen is the only element with no neutrons. |
Card: 47 / 50 |
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True |
Card: 48 / 50 |
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Fill in the blank: The Higgs boson is often called the ___. |
Card: 49 / 50 |
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God Particle |
Card: 50 / 50 |
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Completed! Keep practicing to master all of them. |
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