first periodic test in science vi

7/31/2019 First Periodic Test in Science VI

1/3

First Periodic Test in Science VI

Name: ___________________________________________ Score:_______________

Section:___________________________________

I. A. Directions: Describe the circulatory system and the major parts by filling in

the blanksthe correct answer.

1. The _____________ is about the size of our fist found at the middle chest cavitypointing left.2. The____________________ are the pathways/passages of blood in the body.3. The _______________ is the red river of life.

B. Directions: Match the part of the heart in column A with the descriptionin column B.

Write the letter of the correct answer.A B

________4. Ventricles A. The upper chambers of the heart________5. Atria B. The tiniest blood vessels

________6. Capillaries C. The lower chamber of the heartC. Directions: Unscramble the letters to name the circulatory ailment being

described by the given clue.7. ARTREIES ______________________________-the thick walled and elastic blood vessels8. EIVNS_________________________________-blood vessels with thinner walls and have bigger diameter9. EULKOCYSET __________________________-another word for WBC often referred to as the soldiers of the body

10. Explain the function and importance of the circulatory system as a whole (please

write your answer at the back of your paper) (3 pts)

D. Direction: Trace the flow of blood by filling in the given list. Use thefollowing words

Right ventricle Pulmonary arteryAorta Right atriumLeft atrium LungsPulmonary veins Left ventricle

Oxygen-poor blood1. _______________2. _______________3. _______________4. _______________5. _______________6. _______________7. _______________8. _______________ Oxygenated blood to the different parts of the body.

E. Directions: Unscramble the letters of the ailment of the circulatorysystem described by the given clues.9. CLESISROARTERIOS- ____________ -Thickening and hardening of the arteries due tocholesterol.10.. TENPERNOSIHY- _____________ - Abnormally high blood pressure.

II. Directions: Arrange the statements below in order to show how the nervoussystem works. A is the first statement and E is the last statement. Writeyour answers on the blanks.

____________1. is carried by the nerves to the spinal cord.____________2. Message is carried by nerves back to the body organ which will do thedesired action.

____________3. message from the sense organ____________4. then message is sent to the brain where it is interpreted


2/3

____________5. message is sent back to the spinal cord.

Direction: Read the statements below. On the blanks, write C if the statementis correct and IC if it is incorrect.

_____ 1. Nobody needs love._____ 2. We need somebody to share our feelings._____ 3. An emotionally healthy person can easily relate with others._____ 4. Sleep is important to be emotionally and mentally healthy._____ 5. Our family and friends are there to help us when we have problem.

III. Directions: Study the diagram below. Arrange the events to interpret thediagram of the oxygen carbon dioxide cycle. Write the numbers onthe blank with 1 as the first sequence.

_______________Animals give off carbon dioxide (CO2) into the air._______________Animals take oxygen (O2) from the air needed for respiration orbreathing.

_______________During the day plants perform photosynthesis._______________In this process there is a continuous exchange of oxygen and carbondioxide

between animals and plants in an ecosystem.

_______________Plants take carbon dioxide from the air needed for photosynthesis.

_______________In the process of photosynthesis plants give off oxygen into the air.

IV. From the given organism create a food web (4 points) (use the back of yourpaper for the answer)

Rice plants, bird, rat, snake, hawk, rabbit, worm, bacteria,V. Explain the following briefly

1. Why are green plants called producers?(1 pt)

2. Choose two from the different relationship that is existing in theecosystem and explain it briefly and give an example. (parasitism,predation, commensalism, competition, mutualism,) (6 pts)

3. How important is making the ecosystem balance? (1 pt)


3/3

first periodic test in science vi

Documents