Measurement and Tools in Science

1
Measurement and Tools in Science
2
Measurement

• Measurement is a description of an object using
  numbers and units
• Units in the US (for example inches, gallons,
  and Fahrenheit) are different from units used by
  scientists
• Scientists use the metric system also known as
  the International System of Units (SI for short)
• The SI system is used by scientists for
  consistency

3
What are some units used in the SI System?

• Degrees Celsius or Kelvin
• Meters
• Liters
• Grams
• Complete Part 2 on your worksheet now.
• Answers 1. C 2. B 3. D 4. A

4
Tools

• In order for scientists to perform measurements
  we use tools.
• What are some tools used by scientists for
  measurement?
• Rulers
• Balances
• Graduated cylinders
• Beakers
• Thermometers
• Droppers
• Complete Part 3 on your worksheet now
• Answers 1. D 2. E 3. C
• 4. A 5. B 6. F

5
Each tool measures different values and uses
different units for the measurement

• Complete Parts 4 and 5 on your worksheet now
• Answers Part 4
• 1. A 2. B 3. C 4. C 5. B 6. D
• Answers Part 5
• 1. A 2. B 3.C 4. C 5. B 6. D