Chapter+14

Welcome to chapter 14 ! There is a discussion board at the bottom of the page. Please leave any questions you may have about the chapter, homework, or questions you are struggling with. If you're having trouble accessing the discussion board, please send me an email!

**CHAPTER VOCABULARY** You can participate online by providing explanations for vocabulary in your own words. You can give examples if it helps your explanation of words. You can do one or five or ten and you can add on to posts that have already been made if you would like to improve an explanation. Don't forget to leave your name beside text that you write.

electromagnetic (EM) spectrum - the spectrum that is an arrangement of the different radiations, depending on what form of energy they have; organized from longest (least energy) to shortest (most energy). (Erin Lee)   optical telescopes //Optical telescopes are normally used to make far objects appear as being closer. They work by collecting light from the objects in the sky and then focusing the light by bending and reflecting to form images. (Matthew) //   observatories-places where astronomers or scientists observe terrestial (land) or celestial (sky) events. There are specific standards for a location where a observatory can be built such as above the cloud, and high up in the mountain .(Jordan) Photo from wikipedia.org-Jordan The [|Sphinx Observatory] at the [|Jungfraujoch] in the [|Swiss Alp]

 space probe an unnamed spacecraft that leaves Earth orbit and explores space. It also sends informations back to Earth. (Ashton) //(Matthew)// //(An image of "Hayabusa" space probe sent by NASA)//

**CHAPTER CONTENT ** **14.1 Ancient and Modern Tools**

**14.2 Explore an Issue - Light Pollution Solution** <span style="display: block; font-family: Georgia,serif; font-size: 16.6667px;"> <span style="display: block; font-family: Georgia,serif; font-size: 16.6667px;">**14.3 Computers and Probes** <span style="display: block; font-family: Georgia,serif; font-size: 16.6667px;"> <span style="display: block; font-family: Georgia,serif; font-size: 16.6667px;">**The International Space Station**