1. Scientific Drawings Views
Purpose: allow scientists to share data in an efficient,
meaningful way
Views
Dorsal: from above, backside of organism
Lateral: from the side
Ventral: from below, underside of organism
Anterior: from front, forward facing
Posterior: from behind, rear of organism
__________________________________
Field of View/Vision- circular area seen when looking into eyepiece

2. Estimating a Measurement
Start point = zero
1 mm
Size of bee?
4.7 mm

3. 1 mm
Size of stink bug?
3.3 mm

4. Measuring using a Microscope
40x =
100x =
400x =
5 mm
2 mm
0.4 mm

5. This organism is being observed under 400x, what is it’s size?
Hint: What is the size of the diameter of the field of view at 400x?
0.2 mm
If this organism is being observed under 40x, what
is it’s size?
2.5 mm

6. 40x
SMILEY FACE ( )