Revision: Matter

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Revision Matter

• It is anything that has mass and volume.
• I. Mass
• The amount of matter in an object.
• Ex
• Ten bananas balance with 275 grams.
• Nine bananas balance with 250 grams.
• Two eggs balance with 120 grams.

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• So
• The mass depends on the amount of matter.
• The mass is measured by gram or Kilogram

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• How do you measure the mass?
• The mass is measured by the SCALES
• The types of scales are 
• A balance scale.
• A sensitive two- arm scale.
• A one arm digital scale.
• A one arm scale with a pointer.

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The gram is equal to the mass of a paper clip.
The kilogram is equal to a liter of water.