Matter, Definition, Characteristics, States, Examples, & Facts

Matter, material substance that constitutes the observable universe and, together with energy, forms the basis of all objective phenomena. At the most fundamental level, matter is composed of elementary particles known as quarks and leptons (the class of elementary particles that includes electrons).

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Matter, Definition, Characteristics, States, Examples, & Facts

Report text - definition, characteristics, structure

Teacher Directions Students use the websites on slide 3 to gather facts about solids, liquids, and gases. Students use the websites on slide 3 to gather. - ppt download

Matter, Definition, Characteristics, States, Examples, & Facts

matter - Students, Britannica Kids

matter - Kids, Britannica Kids