A substance is a pure form of matter, whereas a material can be a mixture of different substances. ![]() |
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Fill in the blank: Glass is produced by mixing sand, soda ash, and ___ to form a liquid that solidifies. |
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Riddle: I can be solid, liquid, or gas, but I am always made of tiny parts. What am I? |
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Fill in the blank: In liquids, particles are close together but not in a ___ pattern, allowing them to flow. |
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What role does the particle model of matter play in understanding different states of matter? |
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The particle modelUnderstanding States of Matter
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False. Liquids do not have a fixed shape; they flow and take the shape of their container. ![]() |
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Riddle: I can be reshaped with force but hold my form unless pushed. What am I? |
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Fill in the blank: The ability of liquid particles to move and slide past each other enables ___ to flow. |
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Multiple Choice: Which of the following properties is characteristic of liquids? A) Fixed shape B) Rigid structure C) Takes the shape of the container D) Minimal movement |
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Most solids cannot flow because their particles are tightly packed with minimal space for movement. ![]() |
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During the solidifying process, the movement of particles ___ as the temperature decreases. |
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During the solidifying process, the movement of particles decreases as the temperature decreases. ![]() |
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Fill in the blank: The particle model explains changes of state by describing changes in particle ___ and movement. |
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Riddle: I can turn from solid to liquid with heat, and from liquid to solid when cooled. What am I? |
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Fill in the blank: The change of state from a liquid to a solid is known as ___ or freezing. |
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