order of magnitude

• Why do scientists use the concept of order of magnitude?

  To compare approximate sizes of objects
• How many millimeters are in a meter?

  1,000 millimeters
• What does "order of magnitude" indicate about two objects?

  • It shows how many times larger one object is than another.
  • Each order of magnitude is 10 times greater than the previous one.
• How do scientists describe the sizes of an apple and an orange?

  They are around the same order of magnitude
• How much larger is a pineapple compared to a small lemon?

  A pineapple is one order of magnitude larger
• What does one order of magnitude represent?

  10 times larger
• How can you determine the order of magnitude mathematically?

  By counting the number of zeros
• If something is 10 times larger, how many orders of magnitude is that?

  One order of magnitude