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ticle model if the energy that we are studying is to the energy photon. ACTIVITY 1: Say My Name, Say My Name! Objective: Identify the

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ticle model if the energy that we are studying is to the energy photon. ACTIVITY 1: "Say My Name, Say My Name!" Objective: Identify the term related to the wave properties of light and its propagation. Materials: pen and paper, module Procedure: Write down the words to complete the crossword puzzle about wave properties of light and its propagation. Created using the Crossword Maker on The TeachersCorner.net Across Down 7. transmission of motion, light, sound, etc. 1. an object capable of producing its own in a particular direction or through a light medium 2. empty space 8. substance that transfers the energy from 3. dual nature of light one substance to another substance or 4. a glass object that disperses light from one place to another 5. how light bends as it passes from one 12. how light bounces as it strikes a surface medium to another 13. em waves visible to the naked eye 6. em waves with longest wavelengthe 15. directly proportional to the frequency of naked eye waves 9. move or swing back and forth at a regular speed 10. em waves with shortest wavelength 11. inversely proportional to the frequency of waves 14. electromagnetic radiationDirection: Read the following statements and explain whether this proves the particle nature or wave n electrons. Write your answer in the space provided. STATEMENT Particle/Wave Explanation 1. The mass of an electron is 1836 lesser than the mass of a proton. 2. Electrons can be shared or transferred by atoms in chemical bonding. 3. The wavelengths of electrons can be measured according to Planck's constant. 4. Electrons show interference pattems upon passing through the small holes of a crystal. 5. Electrons jump from lower to higher energy level when they absorb sufficient energy.Direction: Analyze the image shown in each number and identify the various light phenomena. Write your answer in the space provided. a. reflection e. haloes, sundogs, primary rainbows, b. mirage f. clouds color c. light color g. skies appear in sunset and sunrise. d. artificial light and sunlight. 1. 2. 3. 5. 6. Wireless Communication Direction: Answer the following questions briefly. Write your answer in one whole sheet of paper. 1. What is wireless communication? 2. What did the following people contribute to the development of wireless communication technology? . Hans Christian Orsted . Michael Faraday . James Clerk Maxwell . Heinrich Rudolf Hertz . Guglielmo Marconi . Reginald Fessenden 3. List at least five wireless communication devices that you have used within the past month

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