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SUMMATIVE TEST NO.3 GRADE IV - SCIENCE Grade and Section: Name Match column A with column B. Write the correct letter in the blank B a, insulators b. fuel C. Sun It is the ultimate source of heat produced by a nuclear reaction. 2. These are materials that allow heat to flow easily. 3. These are materials that heat passes slowly or not at all 4. It is the transfer of energy from one object to another, or from an energy source to an object. 5. It is a substance that is combustible and produces heat when it is burned. d. conductors e. heat B. Write the letter of the correct answer on the space provided for. 6. Which one is NOT a form of energy? a heat b. force c. light d. sound 7. Which is NOT belong to the methods of heat transfer? a conduction b. convection c. reflection d. radiation 8. What will happen to a liquid when heated? 7. It will increase in temperature. b. It will increase its water level. c. It will remain the same. d. It will increase in volume. 9. When heat is transferred through solid materials, it is called 4. conduction b. radiation c. convection d. reflection 10. The heat transferred from one place to another by movement of fluids is called d. convection a reflection b. radiation c. conduction II. A Write True if the statement is correct and False if it is not correct. 11. Light rays could be blocked, and they could pass through all types of materials since they travel on a straight line. 12. Optical fibers can be used in communication, in industry, and medicine. 13. Light travels in a curve line when it passes through a single medium. 14. The sun is the main source of natural light. 15. Light travels slower in the air than through water because air is less dense than water B. Identify the word/ words described in each item. Write your answer before the number. 16. It is a thicker at the middle than at the edges. 17. Light travels at different speeds through different materials. 18. It is the scattering of light 19. Light is made up of little packets called 20. It produces an incredibly powerful, concentrated form a light.​

Sagot :

SophiaRoxie12idn

1.E
2.A
3.D
4.B
5.C

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