Pre- Assessment: Multiple Choice: Select the letter of the best answer from among the given choices. Write it on a separate sheet of paper. 1. How are electromagnetic waves produced? A. Any disturbance C. Vibrating charge B. Currents D. Voltage source 2. In the electromagnetic wave, what is the direction of the propagation of the wave? A. Always to the right B. Cannot be determined C. Parallel to electric and magnetic field directions D. Perpendicular to the electric and magnetic field directions 3. Who contributed in developing equations which showed the relationship of electricity and magnetism? A. André-Marie Ampere B. James Clerk Maxwell C. Heinrich Hertz D. Michael Faraday

Pre- Assessment: Multiple Choice: Select the letter of the best answer from among the given choices. Write it on a separate sheet of paper. 1. How are electromagnetic waves produced? A. Any disturbance C. Vibrating charge B. Currents D. Voltage source 2. In the electromagnetic wave, what is the direction of the propagation of the wave? A. Always to the right B. Cannot be determined C. Parallel to electric and magnetic field directions D. Perpendicular to the electric and magnetic field directions 3. Who contributed in developing equations which showed the relationship of electricity and magnetism? A. André-Marie Ampere B. James Clerk Maxwell C. Heinrich Hertz D. Michael Faraday 4. Who showed the experimental evidence of electromagnetic waves and their link to light? A. André-Marie Ampere B. James Clerk Maxwell C. Heinrich Hertz D. Michael Faraday 5.What is the frequency range of UV radiation? A. 3.5x109 – 3x1011 Hz B. 7.5x1014 – 3x1016 Hz C. 3.5x1011 – 4x1014 Hz D. 7.5x1016 – 3x1019 Hz Learning Task 1: Science Vocabulary, Match Inside the Box Directions: Unscramble the words in Box B and match these words to fill them into the appropriate blanks in Box A to complete the statements below. Write the answer on a separate sheet of paper. (3pts each) Learning Task 2: Nature of Waves Direction : Read the selection below about waves, then answer the task afterwards. Direction: Below are some examples of waves. For each one, identify the material that the disturbance is moving through. Ocean Wave : Stadium Wave Fact or Bluff: Read the following statements. Answer if the statement is a FACT or a BLUFF, if it is bluff you need to provide an explanation. In order for John to hear Jill, air molecules must move from the lips of Jill to the ears of John. Sound is louder under water. A medium is able to transport a wave from one location to another because the particles of the medium are able to interact. In outer space, no one can hear your scream. Heat wave is a mechanical wave. Learning Task 3: Introduction to Electromagnetic Waves Direction: Read and study the handout. Then answer the questions included in the handouts. Questions: (2 points each) Q 1. What is electromagnetic wave theory? Q 2. How electro-magnetic wave forms? Q 3. How electro-magnetic wave is produce/propagated? Q 4. How fast does electro-magnetic wave travels? Q 5. What is speed of EM wave? TRUE OR FALSE: Write the word TRUE if the statement is correct, and FALSE if it is not, then write the correct statement. (3 points each). Write your answer on a separate sheet of paper. 1. Most EM waves have the same speed. 2. EM waves travel at the speed of 4x10^8 m/s. 3. Electromagnetic waves are transverse waves consisting of changing electric fields and changing magnetic fields. 4. Electromagnetic waves transfer energy through a vacuum. 5. A wave is a disturbance that transfers energy. Learning Task 4: Concept Web of the Proponents of Electromagnetic Wave Theory Direction: Read and study the handout. Then answer the concept web included in the handouts. Directions: Using the information you have gathered previously, make a concept web showing the contributions of the scientists listed below. Write your answers on a separate sheet of paper. (3 points each) A. André-Marie Ampere B. Michael Faraday C. Heindrich Hertz D. James Clerk Maxwell E. Hans Christian Oersted Learning Task 5: Basic Principles of EM Wave Theory Essay Direction: Answer this question. How did the Electromagnetic Wave Theory result to the advancement of a modern technological world? Explain your answer and write it on a separate sheet of paper. _________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ Post Assessment Multiple Choice: Select the letter of the best answer from among the given choices. Write it on a separate sheet of paper. 1. How are electromagnetic waves produced? A. Any disturbance C. Vibrating charge B. Currents D. Voltage source 2. In the electromagnetic wave, what is the direction of the propagation of the wave? A. Always to the right B. Cannot be determined C. Parallel to electric and magnetic field directions D. Perpendicular to the electric and magnetic field directions 3. Who contributed in developing equations that showed the relationship of electricity and magnetism? A. André-Marie Ampere C. James Clerk Maxwell B. Heinrich Hertz D. Michael Faraday 4. Who showed the experimental evidence of electromagnetic waves and their link to light? A. André-Marie Ampere C. James Clerk Maxwell B. Heinrich Hertz D. Michael Faraday 5.What is the frequency range of UV radiation? A. 3.5x109 – 3x1011 Hz B. 7.5x1014 – 3x1016 Hz C. 3.5x1011 – 4x1014 Hz D. 7.5x1016 – 3x1019 Hz 6. What is the other term for electromagnetic waves? A. Electric waves C. Mechanical waves B. Longitudinal waves D. Transverse waves 7. All EM waves have the same speed. A. True B. False 8. Which of the following wave doesn't require a medium? A. Transverse B. Longitudinal C. Electromagnetic D. None of the above 9. Which of the following statement is TRUE? A. An electromagnetic wave is made up of an electric field and a magnetic field positioned at right angles to each other and to the direction of motion of the wave. B. An electromagnetic wave is made up of an electric field and a magnetic field positioned at parallel to each other and to the direction of motion of the wave. C. . An electromagnetic wave is made up of an electric field and a magnetic field positioned at right angles to each other and parallel to the direction of motion of the wave. D. . An electromagnetic wave is made up of an electric field and a magnetic field positioned parallel to each other and right angle to the direction of motion of the wave. All are properties of electromagnetic waves EXCEPT of one. A.. They are produced by accelerated or oscillating charge. B. They do not require any material or medium for propagation. C. They travel in free space at the speed of 3x108 m/s. D. They are at right angles to each other and parallel to the direction of motion of the wave.