Fourth Periodical ExamSCIENCE I

General directions: Read the directions in each part carefully and completely. Any kind of erasure or changing of answer is not allowed. Wrong spelling is wrong. Use uppercase letters only.I. Multiple choice. Choose the letter of the answer that best fits the question/statement. Write the letter of the correct answer on the answer sheet provided. (1 point each)

II. Fill in the blank. Supply the missing information for each number. (1 point each)

1. 2. R + G = ____________3. R + B = ____________4. G + B = ____________5. R + C = ____________6. G + M = ____________7. B + Y = ____________8. W R = ____________9. W G = ____________10. W B = ____________11. W C = ____________12. W M = ____________13. W Y = ____________

III. Modified True or False. Write TRUE if the underlined word/s matches/match the idea in each statement. Write FALSE if the underlined word/s does/do not match the idea in each statement, then write the word/s that will make the statement correct. (1 point each answer)____________ 13. The light color primaries are Cyan, Magenta and Yellow. ____________ 14. Red has the lowest energy, while violet has the highest energy among all colors.____________ 15. Temperature is the average kinetic energy of particles in an object.____________ 16. Conduction is the transfer of energy by an exchange of temperature between microscopic particles. ____________ 17. Convection is the transfer of energy by the vibrations of a substance.____________ 18. Radiation is the transfer of energy with physical contact to a substance.____________ 19. Two objects must have different temperatures for heat transfer to take place. ____________ 20. The direction of heat transfer is always from the object with higher temperature to the object with lower temperature. ____________ 21. Specific heat is the quantity of heat required to change the temperature of 1g of a substance by 5C. ____________ 22. An object with low specific heat is good in storing a lot of energy.____________ 23. A positively charged atom has more electrons than a negatively charged atom.____________ 24. The Law of Interaction for Electric Charges states that like charges repel one another and unlike charges attract one another.____________ 25. The Law of Conservation of Electric Charges states that electric charge is always conserved; it cannot be created nor destroyed.____________ 26. An object becomes charged because protons are transferred from this object to another object.____________ 27.