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Matter Review Gr.7

7th Grade Review for Matter in Dubai

Matter Anything that has mass and occupies space.
Nucleus Center of an atom, made of protons and neutrons.
Proton Positively charged particle in the nucleus.
Atomic Mass Average mass of one atom of an element.
Gas Matter with no definite volume or shape.
Solid Matter that has a definite shape and volume.
Chemical Change Change that forms bonds creating new substances with diffrent properties.
Physical Change Change that does not involvethe formation of something new.
Mass Amount of matter in a object.
Element Substances that are the building blocks of matter.
Atomic Symbol One or two letter code that stands for an elements.
Mixture Combination of 2 or more substances that can be separated.
Created by: 7esoooh