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Matter

Matter. Matter anything that takes up space. A liquid has a definite volume, but no definite shape. A gas does not have a volume or a definite shape. A solid has both a definite volume and a definite shape. Water can change from water to ice, which is called freezing.

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Matter

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  1. Matter

  2. Matter anything that takes up space. • A liquidhas a definite volume, but no definite shape. • A gas does not have a volume or a definite shape. • A solidhas both a definite volume and a definite shape.

  3. Water can change from water to ice, which is called freezing. • Freezing is what happens when a liquid changes to a solid. • Water can change from ice to water, which is called melting.

  4. Melting is what happens when a solid changes to a liquid. • Water can change from water to steam, which is called evaporation. • Evaporation is what happens when a liquid changes to a gas.

  5. Water can change from steam back to water, which is called condensation. • Condensation occurs when gas changes into a liquid. • The color, size, and hardness of an object can help us determine its physicalproperties.

  6. Mass is the amount of matter in an object. • Weight is a measure of the pull of gravity on an object. • Volume is the amount of space an object takes up. • Volume = length x width x height

  7. Density is the concentration of matter in an object. • D = M/V • Solubility the ability for one substance to dissolve in another. • Chemical changes can turn one substance into something else.

  8. The following evidence can indicate that a chemical change took place:

  9. Change of color e.g., rusting • Change in temperature or energy, such as the production (exothermic) or loss (endothermic) of heat. • Change of form (burning paper) (this change is difficult to reverse). • Gases formed, often appearing as bubbles

  10. The ability of a substance to react chemically is called reactivity. • A Physical Change is a change in state only. The original component(s) remains.

  11. The Law of Conservation of Matterstates that matter is neither created nor destroyed during a chemical or physical change.

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