Measurement and Tools in Science. Measurement Measurement is a description of an object using numbers and units Measurement is a description of an object.

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Presentation transcript:

Measurement and Tools in Science

Measurement Measurement is a description of an object using numbers and units 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 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) 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 The SI system is used by scientists for consistency

What are some units used in the SI System? Degrees Celsius or Kelvin Degrees Celsius or Kelvin Meters Meters Liters Liters Grams Grams Complete Part 2 on your worksheet now. Complete Part 2 on your worksheet now. Answers: 1. C2. B3. D4. A Answers: 1. C2. B3. D4. A

Tools In order for scientists to perform measurements we use tools. In order for scientists to perform measurements we use tools. What are some tools used by scientists for measurement? What are some tools used by scientists for measurement? Rulers Rulers Balances Balances Graduated cylinders Graduated cylinders Beakers Beakers Thermometers Thermometers Droppers Droppers Complete Part 3 on your worksheet now Complete Part 3 on your worksheet now Answers: 1. D 2. E3. C Answers: 1. D 2. E3. C 4. A5. B 6. F

Each tool measures different values and uses different units for the measurement Complete Parts 4 and 5 on your worksheet now Complete Parts 4 and 5 on your worksheet now Answers Part 4: Answers Part 4: 1. A2. B3. C4. C5. B 6. D 1. A2. B3. C4. C5. B 6. D Answers Part 5: Answers Part 5: 1. A2. B3.C4. C5. B 6. D 1. A2. B3.C4. C5. B 6. D