Try It

Complete the lesson review. Choose true or false for each of the following questions.

  1. When blood droplets fall throught the air it is a teardrop shape.

    2. Answer: False


  2. Surface tension binds the molecules in blood together in a spherical shape.

    3. Answer: True


  3. Blood droplets falling on similar surfaces at the same height can have very different shapes.

    4. Answer: False


  4. The diameter of the blood stain formed increases as the height from which the blood is dropped increases.

    5. Answer: True


  5. Blood that falls from a low height will form stains with a diameter much larger than blood falling from a greater height.

    6. Answer: False


  6. The diameter of a blood droplet doesn't change much after the blood is dropped from greater than 2.2 m.

    7. Answer: True


  7. Blood dropped from a 90 degree angle will form a teardrop shape.

    8. Answer: False

  8. Blood dropped onto a smooth surface will have smooth outer edges.

    9. Answer: True


  9. Blood dropped onto a rough surface will have smooth edges.

    10. Answer: False

 

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