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Lesson 4. Light Travels in a Straight Line. With a basic understanding of how light and sound work, it was time to start experimenting. Today we looked at one of the properties of light: Light travels in a straight line. Our experiment involved shining light through a series of pieces of paper with holes in them.
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- 3 min
- 28.5K
- Learn Easy Science
May 24, 2019 · Topics Covered:• Light• Properties of light• Speed of light in vacuum• Light travels in a straight line• Light can travel through transparent and translucent...
- 6 min
- 276.5K
- TutWay
- Light
- Sound
- How They Interact
- Study Guide
Light is a form of energy that allows us to see things. It is made up of tiny particles called photons. Light travels in straight lines and at a very fast speed.
Sound is a form of energy produced by vibrations. These vibrations travel through the air as sound wavesand can be heard by our ears.
Light and sound can both be absorbed, reflected, or refracted. For example, when light hits an object, it can be absorbed or reflected, and when sound waves encounter different materials, they can be absorbed or reflected as well.
Here are some key points to remember: 1. Light is a form of energythat allows us to see things. 2. Sound is a form of energyproduced by vibrations. 3. Light travels in straight lines and at a very fast speed. 4. Sound travels as wavesand can be heard by our ears. 5. Both light and soundcan be absorbed, reflected, or refracted.
In this module, you will be informed of how light, sound and heat travel in different media. You will be provided with activities which will help you develop the concepts you have to learn. The lesson focuses on: Lesson 1- How Light Travels; Lesson 2- How Sound Travels; Lesson 3- How Heat Travels
This video lesson in Grade 4 Science discusses how light travels and the behavior of light. It also explains how light travels in a straight line when going ...
- 11 min
- 39.5K
- Teacher Larriza
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the light is travelling in a straight path. However, for most light sources the path is difficult to see. This is because most light sources are so bright that you can not see a single ray of light. Today’s investigation is designed to show that light does indeed travel in a straight line. Equipment: 4 index cards Play clay Ruler