OBJ: Given microscope activity sheet SWBAT determine the field of view using a grid slide and measure the length of a microscopic organism with 85% accuracy.

DN: Hand-in Constructed Response #3 Packet; Comment about Lab Practical Slip (What class will you be missing? Teacher’s Name?).

DO NOT TOUCH EQUIPMENT FOLLOW TEACHERS INSTRUCTIONS

ACT: Introduction to Measuring with a MicroscopeComplete Measuring with a Microscope Activity Sheet.

HW: Work on Constructed Response #4 Packet (pie graph) due Thursday May 22; Lab Practical May 27, P.1-small gym, P.9- room 118; NYSSAE June 2; Final Exam June ?

Microscope Notes

Ocular = top lensObjective = bottom lenses (red, yellow, blue)

Use only red lens.

WARNING: if you use yellow or blue lens, YOU CAN BREAK LENS AND/OR GLASS SLIDE

If you drop a glass slide or break a lens, YOU ARE HELD ACCOUNTABLE, RESPONSIBLE.

Microscope Notes

GRID SLIDE

Field of View

Measure to nearest tenth

Example:

1.0 mm

2.5 mm

3.5 mm

Measuring Field of View & OrganismEach box = 1.0 mm

____ mm

____ mm

Microscope Activity

1] Turn on Microscope Make sure you are using RED lens.

2] Use grid slide. If each box is 1 mm, What is the field of view?

3] Observe Daphnia. What is its length?