measurement 7th
TRANSCRIPT
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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
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• Common Practice
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• Measurement Systems
– English System (red)– Metric System
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•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)
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– Liter (l)+ Milliliter (ml)
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• Time
– Second
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• Temperature (movement)
– Celsius– Kelvin
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• Estimation
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• Accuracy & Precision
– Accuracy = How close is it to real value– Precision = How close is each measurement
to each other
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• Mean, Median, Mode
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- Mean = Average- Median = Middle- Mode = Most often