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Laboratory Activity . Scientific Drawing. This is not an art class…. But you can learn to make a scientific drawing by learning two things. Look for proportion and relationship. With your eyes and a ruler look for relationships. Where is the dorsal fin in relation to the pectoral fin?

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Laboratory Activity


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laboratory activity

Laboratory Activity

Scientific Drawing

this is not an art class
This is not an art class…
  • But you can learn to make a scientific drawing by learning two things.
  • Look for proportion and relationship.
with your eyes and a ruler look for relationships
With your eyes and a ruler look for relationships
  • Where is the dorsal fin in relation to the pectoral fin?
  • Where does the lateral line begin and end?
  • Where does the dorsal fin end in relation to the anal fin?
look for proportion
Look for proportion.
  • How big is the eye in proportion to the head?
  • How far back does the pectoral fin go along the side of the body?
  • What is the ratio of the width of the body to its overall length?
what do i draw first
What do I draw first?
  • Draw the overall shape first,
  • Then you add detail.

Remember, draw with a light touch so that you can erase easily.

remember
Remember
  • The imaginary border
  • Portrait format
  • Drawing is centered & balanced
  • Use a light touch so if you must erase it won’t look messy
set up your lab paper with this information
Set up your lab paper with this information
  • Title: Scientific Drawing Lab
  • Name
  • Date / Hour
  • You are to make a drawing and list 10 quantitative and 10 qualitative observations
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SCIENTIFIC DRAWING

  • Need a sharp pencil, a ruler and a good eraser
  • Diagram should be at least 1/2 page in size, leave space to add labels
  • Use a ruler to draw lines to the different structures. Make sure none of your label lines cross.
  • Draw only what you see and keep your drawing simple.
  • Shading or coloring is not usually found on scientific drawings.
  • Label the different structures carefully.
  • Give your drawing a title. You can also include the scale of your drawing.
  • EX: Is the drawing of your specimen twice as big as the real specimen? Or is it the actual size of the specimen -- the person looking at your diagram needs to know.