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S.I. Unit

S.I. Unit. Standard measure of a quantity Examples Length = Meter (m) Volume = Liter (L) Mass = Grams (g) Temperature = Celcius (°C). Mass. Measure of the amount of matter in an object Tools Scale Balance Unit Kilogram (kg) Gram (g) Milligram (mg). Mass (Continued).

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S.I. Unit

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  1. S.I. Unit • Standard measure of a quantity • Examples • Length = Meter (m) • Volume = Liter (L) • Mass = Grams (g) • Temperature = Celcius (°C)

  2. Mass • Measure of the amount of matter in an object • Tools • Scale • Balance • Unit • Kilogram (kg) • Gram (g) • Milligram (mg)

  3. Mass (Continued) • Measure of the amount of matter in an object • Mass of an object is the same no matter where it is located • Does not change with location • Only way to change is to add or take away matter

  4. Weight • Measure of the gravitational force (pulling) exerted on an object • Changes when the force of gravity changes • Differs on Earth & Mars • Tools • Spring Scale • Unit • Newton (N)

  5. Volume • Measure of the size of a body or region in a 3-D space • Meniscus: curvature of the water’s surface that’s to be measured at the lowest point of the curve • Tools • Beaker • Graduated cylinder

  6. Volume • Unit • Cubic Meter (m3) • Cubic Centimeter (cm3) • Milliliter (mL) • Liter (L)

  7. Area • Measure of the size of a surface/region • Tools • Meter stick • Ruler • Unit • Square Meters (m2) • Square Centimeters (cm2) • Square Kilometers (km2)

  8. Temperature • Measure of how hot or cold something is • Measure of the average kinetic energy of the particles in an object • Tools • Thermometer • Unit • Kelvin (K) • Celsius (°C)

  9. Density • Ratio of the mass of a substance to the volume of a substance • Tools • Mass: Balance or Scale • Volume: Graduated Cylinder/Beaker/Ruler • Unit • g/mL • g/cm3

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