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Big Bang

af Dalia El Serafy

Motivating People

af Bob Ell

Self Introduction

af Darwin Chan

Matter Unit 5

af Begoña Illán

classification of matter

materials

A materials is a substance that is used for making object

Main topic

matter can be classified based on their physical properties

Subtopic

flexibility

hardness

the ability of a material to withstand wear and scratches

strength

the ability of a material to support a heavy load without breaking or tearing

density

mass per unit volume of a material mass DENSITY= ------- volume