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Chapter 1 Notes The Properties of Matter. What is Matter? Matter is anything that has Mass and Volume Mass is the amount of matter an object contains.

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Presentation on theme: "Chapter 1 Notes The Properties of Matter. What is Matter? Matter is anything that has Mass and Volume Mass is the amount of matter an object contains."— Presentation transcript:

1 Chapter 1 Notes The Properties of Matter

2 What is Matter? Matter is anything that has Mass and Volume Mass is the amount of matter an object contains. ◦ Units: grams (g), kilograms (kg) Volume is the amount of space an object takes up. ◦ Units: liters (L), milliliters (mL), cubic centimeters (cm 3 )

3 Vocabulary YOU need to know! Meniscus

4 Physical vs. Chemical Properties

5 Physical Properties Physical properties can be observed or measured without changing the identity of the matter. Examples: ◦ Color ◦ Odor ◦ Mass ◦ Volume ◦ Density (Density = Mass/Volume) ◦ State – Solid, Liquid, or Gas? ◦ Malleability – Can I flatten it? ◦ Ductility – Can I stretch it into a thin wire? ◦ Solubility – Can I dissolve it in something? ◦ Thermal Conductivity – Does it carry heat?

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7 Chemical Properties Chemical properties describe a substance’s ability to change into a new, different substance. Examples: ◦ Flammability – Does it burn? ◦ Reactivity – Does it react when mixed?

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9 Characteristic Properties Characteristic properties are always the same, whether the object is large or small. Characteristic properties can be physical or chemical. Examples: ◦ Density ◦ Solubility ◦ Reactivity

10 Physical Changes In a physical change, a physical property changes, but the identity of the substance does not change. Physical changes are sometimes easy to undo Examples: ◦ Melting ice or boiling water ◦ Ripping paper into pieces ◦ Dissolving sugar into water

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12 Chemical Changes In a chemical change, a substance changes into a different substance. Chemical changes are usually difficult to undo. Examples: ◦ Burning wood or “snakes” ◦ Spoiling milk (curdling) ◦ Rusting metal

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14 arium/Science/Physical_and_Chemical_Ch anges/ arium/Science/Physical_and_Chemical_Ch anges/


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