Science 6
2
Gaudete Study Center, Inc. 4 th Quarterly Examination Science 6 t. Justine Name:__________________________________________ Date:____________________ GENERAL INSTRUCTION: Read the instructions carefully for every test items. Try to write neat & legibly. Before you look at the test questionnaire be sure you have your own Periodic Table of Elements. Failure to comply the given instructions will be deducted 2 points of your total correct answer. I. Identification: Write the symbols of the different elements in column A. Classify the elements as metals or nonmetals in column B. Elements A B 1. Chlorine 2. Silver 3. Phosphorus 4. Iodine 5. Samarium 6. Potassium 7. Calcium 8. Fluorine 9. Tin 10. Gold II. Study the different phrases. Find out if the changes are chemical or physical. Write PC if the change is physical, and CC if the change is chemical. (right minus wrong) _____________1. Ripening of fruit. _____________2. decaying of garbage. _____________3. rusting of iron grills. _____________4. cooking of rice. _____________5. Evaporation of water on the roads after rain. _____________6. making salt from sea water. _____________7. drying of clothes. _____________8. production of vinegar from coconut water. _____________9. combustion of gasoline in cars. _____________10. breaking of road pavement. III. Define the following terms accordingly. 3 points/item. Rubrics 3 – has a complete substantial thoughts and no conventional error 2 – has enough thoughts, though no conventional error 1 – has indirect/poor thoughts. 1. Pure substance 2. Mixture 3. Compounds 4. Evaporation 5. Condensatio n 6. Volcano IV. Arrange the sequence of stars in terms of their sizes. Write 1 as the biggest and 5 as the smallest star. _______SUPERGIANTS _______MEDIUM – SIZED STARS _______GIANTS _______WHITE DWARFS _______ NEUTRON STARS V. Draw or illustrate the structures of atom and label its parts. 5 POINTS (NEUTRON, PROTON, ELECTRON, NUCLEUS, ELECTRON ORBITALS).
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Transcript of Science 6
Gaudete Study Center, Inc.4th Quarterly Examination
Science 6t. Justine
Name:__________________________________________ Date:____________________
GENERAL INSTRUCTION: Read the instructions carefully for every test items. Try to write neat & legibly. Before you look at the test questionnaire be sure you have your own Periodic Table of Elements. Failure to comply the given instructions will be deducted 2 points of your total correct answer. I. Identification: Write the symbols of the different elements in column A. Classify the elements as metals or nonmetals in
column B.Elements A B
1. Chlorine2. Silver3. Phosphorus4. Iodine5. Samarium6. Potassium7. Calcium8. Fluorine9. Tin10. Gold
II. Study the different phrases. Find out if the changes are chemical or physical. Write PC if the change is physical, and CC if the change is chemical. (right minus wrong)
_______________1. Ripening of fruit._______________2. decaying of garbage._______________3. rusting of iron grills._______________4. cooking of rice._______________5. Evaporation of water on the roads after rain.
_______________6. making salt from sea water._______________7. drying of clothes._______________8. production of vinegar from coconut
water._______________9. combustion of gasoline in cars._______________10. breaking of road pavement.
III. Define the following terms accordingly. 3 points/item.Rubrics _ 3 – has a complete substantial thoughts and no conventional error
2 – has enough thoughts, though no conventional error1 – has indirect/poor thoughts.
1. Pure substance2. Mixture3. Compounds4. Evaporation5. Condensation6. Volcano
IV. Arrange the sequence of stars in terms of their sizes. Write 1 as the biggest and 5 as the smallest star.________SUPERGIANTS________MEDIUM – SIZED STARS________GIANTS________WHITE DWARFS________ NEUTRON STARS
V. Draw or illustrate the structures of atom and label its parts. 5 POINTS (NEUTRON, PROTON, ELECTRON, NUCLEUS, ELECTRON ORBITALS).
VI. Enumeration. WRITE YOUR ANSWERS ON THE SEPARATE SHEET.1 – 3 Evidences of Chemical Change4 – 7 Evidences of Physical Change8 – 10 Classification of Elements11 – 13 kinds of Volcano according to shape and composition of the cone14 – 16 kinds of volcano according to activity17 – 20 give non – metallic elements21 – 25 what is the complete name of your Science Teacher
V. Write an essay on the following statements. Be sure that It has not less than 2 sentences per item. (5points/each).
1. How is the sun different from other stars?2. why should you keep your knife dry before keeping or storing it?3. how will you delay spoiling of food or rotting of meat?*+3 points if you have your own periodic table
