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 Matter 38 Flashcards |
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What is matter primarily defined as? |
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Anything that has mass and takes up space. |
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Which of the following statements is true about solids? A) They have a fixed shape and size. B) They take the shape of their container. C) They have no fixed shape or size. D) They are made of loosely packed pieces. |
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A) They have a fixed shape and size. |
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Riddle: I can flow but have a fixed size, I take the shape of my container but never change my volume. What am I? |
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Liquid |
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True or False: Gases have a fixed shape and do not spread out to fill their container. |
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False. Gases do not have a fixed shape and spread out to fill their container. |
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Fill in the blank: The theory that explains the behavior of matter in different states is called ______. |
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Kinetic Molecular Theory of Matter |
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What term is used to describe the energy of moving particles? |
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Kinetic energy |
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Which type of matter has the weakest intermolecular forces? |
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Gases |
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Fill in the blank: When a liquid turns into a gas at a certain temperature, it is called ______. |
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Boiling |
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True or False: The process of freezing is when a solid turns into a liquid. |
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False. Freezing is when a liquid turns into a solid. |
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What happens to the particles of a solid when it is heated? |
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The particles gain energy, move more, and start to break free from their fixed positions. |
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Fill in the blank: The law that states matter cannot be created or destroyed is known as the ______. |
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Law of Conservation of Mass |
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Riddle: I change state from solid to gas without becoming liquid, what am I? |
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Sublimation |
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What is the main difference between adhesion and cohesion? |
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Adhesion is the attraction between different types of molecules, while cohesion is the attraction between similar molecules. |
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True or False: The total mass of reactants before a chemical reaction is always equal to the mass of products after the reaction. |
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True. |
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Fill in the blank: When a gas turns into a liquid, this process is called ______. |
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Condensation |
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What is the role of intermolecular forces in determining the state of matter? |
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Intermolecular forces determine how tightly the particles stick together, affecting whether the matter is a solid, liquid, or gas. |
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Which state of matter has particles that are loosely packed and can move around each other? |
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Liquid |
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Fill in the blank: When a solid turns into a liquid, the process is called ______. |
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Melting |
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Riddle: I’m a state of matter with no fixed shape or volume, always moving around. What am I? |
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Gas |
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Completed! Keep practicing to master all of them. |
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