units of measure mini-math camp. scientists across the world use the international system of units...

Units of Measure Mini-Math Camp

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Units of Measure

Mini-Math Camp

Scientists across the world use the International System of Units (SI).

The International System of Units

Length meter m Mass kilogram kg Time second s Amount of substance mole mol Thermodynamic temperature Kelvin K Electric current amperes amps Luminous intensity candela cd

Quantity Name Symbol

Page 4: Units of Measure Mini-Math Camp. Scientists across the world use the International System of Units (SI)

Instruments for Measuring Volume

Graduatedcylinder Syringe

Volumetric flaskBuret Pipet

Page 5: Units of Measure Mini-Math Camp. Scientists across the world use the International System of Units (SI)

Beaker,

A beaker does not measure as precisely as a graduated cylinder or pipet. It should be used for approximate measure of liquid volume only.

Page 6: Units of Measure Mini-Math Camp. Scientists across the world use the International System of Units (SI)

When reading the volume of liquid in a graduated cylinder or pipet, you always take the reading at the bottom of the meniscus.

The meniscus is the curved surface of the liquid.

Page 7: Units of Measure Mini-Math Camp. Scientists across the world use the International System of Units (SI)

To find the volume of an irregularly shaped object, you should:

1. Partially fill a graduated cylinder with water.

2. Record the volume.

3. Place the object in the cylinder.

4. Record the volume.

5. Subtract the initial volume from the final volume to get the volume of the object.

(initial level)

Page 8: Units of Measure Mini-Math Camp. Scientists across the world use the International System of Units (SI)

#1. What is the volume of liquid in this graduated cylinder?

Answer: 74.0 mL

Page 9: Units of Measure Mini-Math Camp. Scientists across the world use the International System of Units (SI)

#2. What is the volume of liquid in this graduated cylinder?

Answer: 127.0 mL

Page 10: Units of Measure Mini-Math Camp. Scientists across the world use the International System of Units (SI)

#3. How many grams are measured on this triple beam balance?

Answer: 125.00 g

Page 11: Units of Measure Mini-Math Camp. Scientists across the world use the International System of Units (SI)

Page 12: Units of Measure Mini-Math Camp. Scientists across the world use the International System of Units (SI)

The pipet is graduated and the most precise.

A test tube is not used for measuring.

A beaker is graduated but not very precise.

The Florence flask is not graduated.

Page 13: Units of Measure Mini-Math Camp. Scientists across the world use the International System of Units (SI)

The Original Metric Reference

H2O = 1 liter

Volume

1 kg

H2O = 1 kilogram

Mass

1/10 m

Earth = 1 meter

Length

1/10,000,000

Page 14: Units of Measure Mini-Math Camp. Scientists across the world use the International System of Units (SI)

The Official Standard Meter

Page 15: Units of Measure Mini-Math Camp. Scientists across the world use the International System of Units (SI)

The Official Standard Kilogram

Page 16: Units of Measure Mini-Math Camp. Scientists across the world use the International System of Units (SI)

Explain why it’s important for scientists around the world to use the same system of measurement.

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units of measure mini-math camp. scientists across the world use the international system of units...

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