Grade 7 Science – Summative TestMicroscope

I. Identify the parts of the microscope. Choose your answer from the box below.

1.

2.

3.

4. 5.

II. FILL-IN THE

BLANKS. Supply the blanks with the missing word/s. Get your answers from the box above.

1. The bottom of the microscope and is used for support is the _______________.2. The part that holds two or more objective lenses and is used to switch one objective to another is the ______.3. The part that reflects light is the _________.4. The part where you look through when viewing specimen under the microscope is the ___________.5. The eyepiece and the objective lenses are connected by the _________.6. The part the supports the tube and connects it to the base is the ___________.7. The lenses having 4x, 10x, 40x and 100x power are the ___________.8. Slides are held in place by the __________.9. The microscope is tilted at the ________________.10. The smaller adjustment knob is the ___________.

III. Multiple Choice. Write the letter of the correct answer.

1. The microscope is useful in looking at ____________. A. very far objects C. very small objects B. very big objects D. laboratory objects

2. The most important parts of the microscope are the A. arm & base C. adjustment knobs B. lenses D. stage and clips

Grade 7 Science – Summative TestMicroscope

I. Identify the parts of the microscope. Choose your answer from the box below.

1.

2.

3.

4. 5.

II. FILL-IN THE

BLANKS. Supply the blanks with the missing word/s. Get your answers from the box above.

1. The bottom of the microscope and is used for support is the _______________.2. The part that holds two or more objective lenses and is used to switch one objective to another is the ______.3. The part that reflects light is the _________.4. The part where you look through when viewing specimen under the microscope is the ___________.5. The eyepiece and the objective lenses are connected by the _________.6. The part the supports the tube and connects it to the base is the ___________.7. The lenses having 4x, 10x, 40x and 100x power are the ___________.8. Slides are held in place by the __________.9. The microscope is tilted at the ________________.10. The smaller adjustment knob is the ___________.

III. Multiple Choice. Write the letter of the correct answer.

1. The microscope is useful in looking at ____________. A. very far objects C. very small objects B. very big objects D. laboratory objects

2. The most important parts of the microscope are the A. arm & base C. adjustment knobs B. lenses D. stage and clips

arm base body tubeclips coarse adjustment knob

condenser eyepiece / ocular stage fine adjustment knob mirror objective lens

revolving nosepiece inclination joint

.

6.

7.

9.

8.

10.

arm base body tubeclips coarse adjustment knob

condenser eyepiece / ocular stage fine adjustment knob mirror objective lens

revolving nosepiece inclination joint

.

6.

7.

9.

8.

10.

4.4.

3. The eyepiece usually has the power of _______. A. 4 x C. 20 x B. 10 x D. 100 x

4. The _______________ parts of the microscope are responsible for reflecting, controlling, and regulating the light.

A. illuminating C. mechanicalB. magnifying D. instrumental

5. Which of the following DOES NOT belong to the magnifying parts of the microscope?

A. ocular C. draw tubeB. objective lenses D. eyepiece

6. The flat platform where you place your slide is the __ A. mirror C. stage B. base D. arm

7. What is the total magnification when you used the eyepiece with a power of 10 x and the objective lens has 40 x?

A. 4 x C. 100 xB. 40 x D. 400 x

8. HPO stands for _____________________________. A. horse power objective C. hot power objective B. house power objective D. high power objective

9. Which of the following is one of the mechanical parts of the microscope?

A. revolving nosepiece C. iris diaphragmB. condenser D. LPO

10. Which shape shows the field of view of the microscope?

A. C.

B. D.

IV. Write APPLICABLE if the statement describes the proper care of the microscope. Write NOT if not.

1. Remember to always use both hands when carrying the microscope.

2. Report any missing or damaged part to your teacher.

3. Put the microscope down gently on the laboratory table with its arm facing you.

4. Check the microscope before and after use. 5. Wipe with tissue paper or old t-shirt the metal

parts of the microscope.

6. Take out the eyepiece from the draw tube and play with it.

7. Prevent liquids, especially acids and alcohol from spilling on any part of the microscope.

8. Check for moisture (such as from condensation of human breath) in the eyepiece.

9. View beetles, lizard or anything you want under the microscope.

10. Store the microscopes in a chemical laboratory or any place where there are corrosive fumes.

3. The eyepiece usually has the power of _______. A. 4 x C. 20 x B. 10 x D. 100 x

4. The _______________ parts of the microscope are responsible for reflecting, controlling, and regulating the light.

A. illuminating C. mechanicalB. magnifying D. instrumental

5. Which of the following DOES NOT belong to the magnifying parts of the microscope?

A. ocular C. draw tubeB. objective lenses D. eyepiece

6. The flat platform where you place your slide is the __ A. mirror C. stage B. base D. arm

7. What is the total magnification when you used the eyepiece with a power of 10 x and the objective lens has 40 x?

A. 4 x C. 100 xB. 40 x D. 400 x

8. HPO stands for _____________________________. A. horse power objective C. hot power objective B. house power objective D. high power objective

9. Which of the following is one of the mechanical parts of the microscope?

A. revolving nosepiece C. iris diaphragmB. condenser D. LPO

10. Which shape shows the field of view of the microscope?

A. C.

B. D.

IV. Write APPLICABLE if the statement describes the proper care of the microscope. Write NOT if not.

1. Remember to always use both hands when carrying the microscope.

2. Report any missing or damaged part to your teacher.

3. Put the microscope down gently on the laboratory table with its arm facing you.

4. Check the microscope before and after use. 5. Wipe with tissue paper or old t-shirt the metal

parts of the microscope.

6. Take out the eyepiece from the draw tube and play with it.

7. Prevent liquids, especially acids and alcohol from spilling on any part of the microscope.

8. Check for moisture (such as from condensation of human breath) in the eyepiece.

9. View beetles, lizard or anything you want under the microscope.

10. Store the microscopes in a chemical laboratory or any place where there are corrosive fumes.