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# Measurement 7th

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Statistics
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### Transcript

• 1. Scientific Measurements
Student will be able to
Understand why scientist use a standard measure
Describe the standard units of measure
Describe common measure used in science
Analyze graphing in science
• 2.
• Common Practice
44
• 3. 59
• Measurement Systems
English System (red)
Metric System
• 4.
• 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
45
• 5.
• Length (how long)
- Measured in Meter (m)
+ Kilometer (km)
+ Centimeter (cm)
+ Millimeter (mm)
+ Micrometer (µm)
46
• 6.
• Mass (how much stuff)
Gram (g)
+ Kilogram (kg)
+ Milligram (mg)
48
• 7.
• Volume (how much space)
• 8. Liter (l)
+ Milliliter (ml)
50
• 9.
• Time
Second
53
• 10.
• Temperature (movement)
Celsius
Kelvin
54
• 11.
• Estimation
61
• 12.
• Accuracy & Precision
Accuracy = How close is it to real value
Precision = How close is each measurement to each other
62
• 13. • Mean, Median, Mode
• Mean = Average
• 14. Median = Middle
• 15. Mode = Most often
66