1. BELL RINGER Group A GrasshopperDeerRobinBeaver Group B OwlOpossumMothBat WHY WERE THESE ANIMALS PLACED INTO THESE GROUPS? A.One group is active during the day; the other group is active at night. B.One group lives near prairies; the other group lives near forests. C.One group benefits people; the other group is a pest to people. D.One group eats only plants; the other group eats only meat.

2. Microscope Parts and Functions 7 th Grade Science

3. What are the parts?? 1.eyepiece7. objective 2.fine adjustment8. stage clips 3.course adjustment9. arm 4.stage10. base 5.mirror11. nosepiece 6.body tube12. diaphragm

4. Eyepiece The eyepiece is the part of the microscope which you look through. It usually has its own magnification of 10x. eyepiece

5. Fine Adjustment This part of the microscope is used when changing small amounts of focus. Fine adjustment

6. Course Adjustment Used when making large changes in focus on the microscope Moves the body tube up and down Course Adjustment

7. Adjustment Some microscopes only have ONE adjustment knob If so, it is a course adjustment!

8. Stage Where slides are placed on the microscope for viewing. Stage

9. Light Source/Mirror The light source/mirror is used to reflect light from a light source up through the diaphragm Mirror

10. Body Tube The body tube holds the eyepiece of a microscope and connects it to the objectives Body Tube

11. Objective The magnifying lens, comes in different powers Objective

12. Stage Clips The stage clips hold the slide in place Stage Clips

13. Arm The arm is used for safe transportation of the microscope Arm

14. Base What the microscope uses to “sit” on, also used for safe transportation Base

15. Nosepiece The nosepiece holds two or more objective lenses and can be rotated to easily change powers Nosepiece

16. Diaphragm Used to vary the amount of light which passes through the slide Usually better in lower amounts Diaphragm

17. Label the Parts 1. Eyepiece 2. Course Adjustment 3. Fine Adjustment 4. Arm 5. Stage Clips 6. Base 7. Body Tube 8. Nosepiece 9. Objective Lens 10. Stage 11. Diaphragm 12.Light Source/ Mirror