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DDES Science

Matter Vocabulary

QuestionAnswer
What is matter? It makes up everything that has mass and volume.
What is gas? It is a state of matter that can fill its container and has particles that move very fast.
What is a solid? It is a state of matter that maintains its own shape because the particles are pressed tightly together.
What is plasma? It is a state of matter where the electrons have been stripped away from the nucleus because of extremely high temperatures.
What is a liquid? It is a state of matter that takes the shape of its container and has particles that move with moderate speeds.
What is melting? It is the process of a solid changing into a liquid.
What is freezing? It is the process of a liquid changing into a solid.
What is boiling? It is the process of a liquid changing into a gas.
What is condensation? It is the process of a gas changing into a liquid.
What is sublimation? It is the process of a solid changing into a gas.
What is an element? It is a substance that cannot be broken down into another substance by chemical or physical means.
What is a compound? It is a substance made of two or more elements that are chemically bonded together.
What is an atom? It is the smallest part of an element.
What is a molecule? It is a combination of two or more atoms that are chemically bonded together.
What is a chemical bond? It is a force that holds two atoms together.
What is a mixture? It is two or more substances that are mixed together but are not chemically bonded.
What is a physical change? It is a change in a substance that does not change its identity and does not create a new substance.
What is a chemical change? It is a change in a substance where chemical bonds are broken or formed and a new substance is created.
Created by: Treadwell