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Innovations and Technologies in Light and Sound: Applications and Activities

Explore key innovations in light and sound technologies, their real-world applications, and engaging activities to understand their impact on daily life and various fields like communication, medicine, and entertainment.

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Different Innovations and Technologies Related to Light and Sound SHS – General Science – T1 – L10
Subscribe: Sir Rolly Franco on YouTube Word Cloud • Examine the pictures. List down all the words related to the picture to create a word cloud.
Subscribe: Sir Rolly Franco on YouTube What if…? • Each group will be assigned into four different fields, namely: • 1. Classroom Learning • 2. Commuting or Travelling • 3. Socializing or participating in group activities • 4. Playing sports or games • Each group will list down at least three (3) scenarios on what if there was no light or sound on their assigned fields.
Subscribe: Sir Rolly Franco on YouTube Importance of Light and Sound • - Light and sound are essential in communication, entertainment, safety, medicine, and navigation. • - Understanding how they work leads to better and more efficient technologies.
Subscribe: Sir Rolly Franco on YouTube Innovations Related to Light • - LEDs (Light Emitting Diodes): energy-efficient lighting • - Lasers: used in medicine, industry, entertainment • - Holograms: 3D images for visuals, art, security • - Optical Fibers: high-speed communication networks
Subscribe: Sir Rolly Franco on YouTube Innovations Related to Sound • - Soundproofing Materials: absorb or block sound • - Sound Amplifiers: used in microphones, speakers • - Ultrasound: imaging in medicine • - Noise-Cancelling Tech: used in headphones
Subscribe: Sir Rolly Franco on YouTube Real-World Applications • - LEDs: traffic lights, flashlights, gadgets • - Lasers: surgeries, metal cutting • - Holograms: stage visuals, security seals • - Soundproofing: studios, theaters • - Amplifiers: concerts, classrooms, hearing aids
Subscribe: Sir Rolly Franco on YouTube Activity 1: Light and Sound at Home & School • List 3 light and sound-related technologies found: • - At home • - At school
Subscribe: Sir Rolly Franco on YouTube Activity 2: LASERs in our everyday life • 1. What does the word LASER stand for? • 2. What are the things mentioned in the video that uses laser technology? • 3. What are the different applications of laser mentioned in the video?
Subscribe: Sir Rolly Franco on YouTube Activity 2: Sound Amplification and Stethoscopes • 1. What is a stethoscope and what it is used for? • 2. How is sound being amplified by the diaphragm of the stethoscope?
Subscribe: Sir Rolly Franco on YouTube Activity 3: Build a DIY Soundproof Room • 1. Use foam, felt, or egg cartons • 2. Build a box around a speaker • 3. Use a decibel meter to test
Subscribe: Sir Rolly Franco on YouTube Activity 4: Make Your Own Hologram • 1. Use a plastic sheet to make a projector • 2. Watch a hologram video on your phone
Subscribe: Sir Rolly Franco on YouTube Activity 5: LED Art • 1. Use dry cells, LED lights, wires • 2. Create a greeting card or mini poster that lights up
Subscribe: Sir Rolly Franco on YouTube Wrap-Up Discussion • 1. Which innovation is most helpful? • 2. How does it affect your daily life? • 3. What new innovation can you imagine?
Subscribe: Sir Rolly Franco on YouTube Assessment • Complete the sentences with the correct term from the list: Soundproofing, Sound Amplifiers, LEDs, Holograms, Lasers • 1. __________ is/are commonly used in theaters and recording studios to prevent external noise interference. • 2. __________ is/are used in barcode scanners, laser pointers, and surgical instruments. • 3. __________ is/are energy-efficient lighting solutions that have a long lifespan. • 4. __________ is/are used in concerts and presentations to project 3D images
Subscribe: Sir Rolly Franco on YouTube Assessment • 5. __________ is/are used in public address systems to ensure clear and loud sound delivery. • 6. __________ is/are often found in flashlights, traffic lights, and electronic billboards because they use less power. • 7. __________ is/are used in art installations to create realistic 3D projections. • 8. __________ is/are installed in walls and ceilings to reduce echo and block outside noise. • 9. __________ is/are devices that increase the loudness of audio signals for large crowds or individuals with hearing difficulties. • 10.__________ is/are produce a focused beam of light and are used in precise cutting tools and medical equipment.
Subscribe: Sir Rolly Franco on YouTube Homework / Extended Activity • Which light or sound innovation do you think has changed the world the most? Why? • What one word best summarizes today’s lesson? • Explain it in 2-3 sentences.
Subscribe: Sir Rolly Franco on YouTube