PPT-Light and

darkness ByChymaElisabethTaherRosa and María Group 2 Introduction 2nd Bach Of Humanities 13 students Q1Do you think scientists will invent electronic . 11 detection ranges 147 to 1617 mm Light Curtains Light curtains are installed as safeguarding measures for personnel where A safety guard cannot be installed due to structural reasons A safety guard is openedclosed frequently Safety guards are not Grade 8 Science. Incandescent. “Hot Light. ”. An . object that can be heated to such a high . temperature that it emits light.. Luminescent. “Not Hot . Light. ”. Light . that does not need to be hot to glow. . Earliest knownsketch Light is pretty old, of course, and glass has been around for a while as well. In fact, glass most likely was made first by accident, when ancient Phoenicians melted sand on beach Energy for all life on Earth ultimately comes from photosynthesis.. 6CO. 2. 12H. 2. O C. 6. H. 12. O. 6. 6H. 2. O 6O. 2. . Oxygenic photosynthesis is carried out by:. cyanobacteria. Mama and Me.. Vocabulary . mad. In a wild and excited way.. squeeze. hug. dusty. Covered with dirt.. public. For all the people.. recognize. To know and remember from before.. Some things you might recognize. . Ultraviolet (UV) light falls in the range of the EM spectrum between visible light and X-rays. UV . light, which comes from the sun, is invisible to the human eye. .. It . makes black-light posters glow, and is responsible for summer tans — and sunburns. Materials can be. . Transparent. - A material that transmits (allows through) light unaffected. . Translucent. - A material that transmits light but scatters it into different directions . . Opaque. Can you think of a method to have the robot follow the line using turns? Describe how it would work.. 2. Pre-Activity Quiz. How does a light sensor work? Does the light sensor detect white or black as a higher amount of light reflectivity? Absorbance?. Dispersion of light. Visible light = full spectrum . wavelengths range from 400 nm to 700 nm. Different wavelengths have ever so slightly different indices of refraction when passing through materials such as glass, plastic, or water (and probably others). Light. What is light?. . It is the electromagnetic . radiation that can be . perceived . by the human eye. It is made up . of.  . electromagnetic waves.  with wavelengths between . 4 . × 10. -7. Lesson 2: How does light travel?. Lesson 3: Reflection. Lessons 4: Shadows. Lessons 5: Periscopes . More Lessons. Light Lessons. Lesson 6: Colours . Lesson 7: Refraction. Lesson 8: Invisible Light. Light travels in a STRAIGHT LINE . ANOTHER WAY TO THINK OF LIGHT. Light leaving the candle travels in all directions, but we only SEE the light that travels in to our Eye-Brain. ANOTHER WAY TO THINK OF . The light is very good with its function and performance because of its advanced technology, can control by remotely, good lighting. With its various functional qualities, we can call this light as Integrated Solar Light. Energy Factory FZCO has an extremely professional and knowledgeable team members are always working for the development of new technologies based lightening system. Black is the absence of light.. This font is black because no light is shining here. . The light shines all around it making white. . Mixing colors. By mixing different colors you can create new colors..