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science test

Physical & chemical properties/changes

What is a physical property? Something you can observe or measure.
What is a chemical property? The ability for a substance to undergo change and form a new substance.
Example of physical properties. Color, length, volume.
Example of chemical properties. Flammability & reaction with oxygen, light, water, or another substance.
What is a solid? A state of matter where atoms are packed together and can barely move with a defined shape and volume.
What is a liquid? A state of matter where atoms are slightly spaced from one another and can slide past each other with no defined shape but a defined volume.
What is a gas? A state of matter where atoms are spaced out, and can move freely with no restrictions.
What is an atom? The smallest unit of an element that has the elements properties.
What is matter? A material that has mass and takes up space.
What is the law of conservation of matter? The law of conservation of matter is a principle of science stating that matter cant be created or destroyed is a close system.
Created by: J.Tillman