Scientific Measurements

Student will be able to1. Understand why scientist use a standard measure

2. Describe the standard units of measure

3. Describe common measure used in science

4. Analyze graphing in science

• Common Practice

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• Measurement Systems

– English System (red)– Metric System

•Metric System Prefixes

– kilo (k) means 1,000 x– centi (c) means 0.01 x– milli (m) means 0.001 x– micro (µ) means 0.000001 x

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• Length (how long)

- Measured in Meter (m)

+ Kilometer (km)

+ Centimeter (cm)

+ Millimeter (mm)

+ Micrometer (µm)

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• Mass (how much stuff)

– Gram (g)+ Kilogram (kg)

+ Milligram (mg)

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• Volume (how much space)

50

– Liter (l)+ Milliliter (ml)

• Time

– Second

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• Temperature (movement)

– Celsius– Kelvin

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Worksheet

Characteristic Length Mass Volume Density Time Temperature

Definition Distance from end to end

Amount of matter

Amount of space

Mass in given volume

A limited period when an event occurs

Average movement of particles

SI Unit Meter Gram Liter m/l Second Celsius/Kelvin

Measuring Tool Ruler Scale Cup /Beaker

Mass and volume

Clock Thermometer

Powers of 10

Lab Safety

• Chemical Labels– Red

• Fire Danger (0-4)

– Blue• Health Danger (0-4)

– Yellow• Reactivity Danger (0-4)

– White• Specific Dangers

Fire Extinguishers

– A• Paper

– Water

– B• Liquids

– CO2

– C• Electrical

– Yellow Powder

– D• Metals

– Sand