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 Matter And Its Composition 38 Flashcards |
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What is matter defined as? |
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Matter is anything which occupies space or volume, has mass, and can be perceived by our senses. |
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Which of the following states of matter has the least kinetic energy? A) Gas B) Liquid C) Solid D) Plasma |
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C) Solid |
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True or False: Liquids have a fixed shape and volume. |
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False. Liquids have a fixed volume but do not have a fixed shape. |
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Riddle: I can change from solid to gas without becoming liquid, often seen in ice and dry air. What am I? |
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Sublimation |
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The process of change from liquid to gas at any temperature below its boiling point is called ______. |
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Evaporation |
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What is Brownian motion? |
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Brownian motion is the random motion of particles suspended in a fluid due to bombardment by fast-moving atoms or molecules. |
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Fill in the blank: The heat energy required to convert 1 kilogram of solid into liquid at its melting point is called ______. |
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Latent heat of fusion |
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True or False: Gases can be compressed easily. |
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True. |
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What is the effect of increasing temperature on the rate of evaporation? |
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Increasing temperature increases the rate of evaporation. |
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Riddle: I am a fifth state of matter, predicted by Einstein, and exist at super low temperatures. What am I? |
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Bose–Einstein condensate |
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What is the law of conservation of mass? |
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It states that mass can neither be created nor destroyed in a chemical reaction, and the total mass of reactants equals the total mass of products. |
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Which state of matter has a definite shape and volume? A) Solid B) Liquid C) Gas D) Plasma |
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A) Solid |
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Fill in the blank: The process of change from solid to liquid is called ______. |
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Melting |
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True or False: The particles of a gas have a strong force of attraction between them. |
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False. The force of attraction between gas particles is negligible. |
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What phenomenon describes the hidden heat required to change a solid into a liquid? |
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Latent heat of fusion |
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Riddle: I am a state of matter, ionized and energetic, found in stars. What am I? |
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Plasma |
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What happens during condensation? |
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Gas particles lose kinetic energy and come closer together to form a liquid. |
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Which process occurs at a constant temperature when a liquid turns into a solid? |
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Freezing |
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What is the process called when a solid changes directly into a gas without passing through the liquid state? |
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Sublimation |
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