Microscopy 3 units of conversion

• What are the different units of length mentioned in the video?

  Nanometers, micrometers, millimeters, meters, kilometers
• Why do we use different units of length?

  Each unit is 1,000 times bigger or smaller
• How do you convert 6 mm to meters?

  Divide 6 by 1,000
• What happens to the number when converting to a larger unit?

  The number becomes smaller, value stays same
• What is the conversion of 6 mm to meters in scientific notation?

  0.006 m or $6 \times 10^{-3} \text{ m}$
• How do you convert 6 mm to kilometers?

  Divide 0.006 by 1,000
• What is the conversion of 6 mm to kilometers in scientific notation?

  0.000006 km or $6 \times 10^{-6} \text{ km}$
• How do you convert 6 mm to micrometers?

  Multiply 6 by 1,000
• What is the conversion of 6 mm to micrometers in scientific notation?

  6,000 micrometers or $6 \times 10^{3} \text{ microm}$
• How do you convert 6 mm to nanometers?

  Multiply 6 by 1,000 twice
• What is the conversion of 6 mm to nanometers in scientific notation?

  6,000,000 nanometers or $6 \times 10^{6} \text{ nanom}$
• How do you convert 340 nanometers to millimeters?

  Divide by 1,000 twice
• What is the conversion of 340 nanometers to millimeters in scientific notation?

  0.00034 mm or $3.4 \times 10^{-4} \text{ mm}$
• What is the size range of atoms?

  0.1 to 0.5 nanometers across
• How big are medium-sized molecules like glucose?

  About 1 nanometer across
• What is the size of viruses?

  About 100 nanometers across
• How big are small cells like bacteria?

  About 1 micrometer across
• What is the size range of most animal and plant cells?

  10 to 100 micrometers
• How wide is human hair?

  About 100 micrometers wide
• What is the smallest size visible to the naked eye?

  About 100 micrometers
• What is the resolution limit of an electron microscope?

  About 0.1 nanometers
• What is the relationship between centimeters and millimeters?

  1 cm equals 10 mm
• How do you convert centimeters to meters?

  Divide by 100
• How do you convert centimeters to millimeters?

  Multiply by 10
• How do you convert 30 cm to nanometers?

  Multiply by 10, then by 1,000
• What is the conversion of 30 cm to nanometers in scientific notation?

  300,000,000 nanometers or $3 \times 10^{8} \text{ nanom}$
• What is the process for converting between different units of length?

  • To convert to a larger unit: divide by 1,000 for each place up the scale.
  • To convert to a smaller unit: multiply by 1,000 for each place down the scale.
  • For non-adjacent units, convert in steps.
• What are the sizes of various objects in relation to nanometers and micrometers?

  • Atoms: 0.1 to 0.5 nanometers
  • Glucose: about 1 nanometer
  • Viruses: about 100 nanometers
  • Bacteria: about 1 micrometer
  • Animal/Plant cells: 10 to 100 micrometers
  • Human hair: about 100 micrometers
• What are the conversion factors for centimeters?

  • 1 cm = 10 mm
  • 100 cm = 1 m
  • To convert cm to m: divide by 100
  • To convert cm to mm: multiply by 10