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10/27/2020 0 Comments Projector ActivityBY SANJANA KAMBHAMMETTU AND SWARA REPALA
In this lesson, we will be creating a projection out of recyclable materials in order to comprehend the concepts of the basics behind optics, such as how a wave moves, how light travels, and what lenses are. These important ideas are combined to make the craft, which, with the use of a flashlight, will display the picture your child has drawn onto the wall. We reccomend this activity for kids between the ages of 4 and 10, however, all ages are welcome!
MATERIALS NEEDED:
- A paper towel roll (any size)
- Clear plastic wrap OR ziplock bag - Rubber bands/hair tie/tape - Scissors - A marker (preferably a dry erase marker) - Small flashlight or phone light - Damp paper towel or wipe to wash it off, making it easy to reuse! - Optional: Coloring utensils HOW TO
Step 1: Cut a square from your clear plastic wrap or ziplock bag that is bigger than the hole in your paper towel roll. This cut out will act as your projector screen.
Step 2: Take your marker and write or draw whatever image you would like to see projected. Step 3: Flip the screen, so the side with the lettering is facing you. This is important if you are using wording or drawing something that is not symmetrical, such as the word aence, so that it will not be backwards. Step 4: Take a rubber band, hair tie, or tape and attach the projector screen down to the paper towel roll firmly. Optional Step: You can decorate the outside of your paper towel roll any way that you would like! Step 5: Shine a flashlight or phone light through the other side of the paper towel roll. The letters or drawing you have created will be displayed on the wall! Tip: Switch off all the lights in the room for a better and clearer view! THE LESSON
During this session, we will be exploring topics related to basic physics, including a wave and its parts, light and the color spectrum, along with lenses and their specific types. This explanation, along with the hands-on interpretation of the projection of light and how our eyes interpret it, will form connections between the ideas in children's minds, and lead them to a better understanding of the topic at hand. You can find our lesson in the slideshow below!
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