9B/SC2 The Universe by Mrs J MacGregor https://padlet.com/macgregorj/g2o3j6cw08hb What we can remember from last lesson en-us 2017-12-06 12:04:12 UTC 2017-12-07 09:14:15 UTC hello@padlet.com Red shift is.. https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214014576 Where something is moving at close to light speed and changes from blue to red]]> 2017-12-07 08:58:29 UTC https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214014576 Red shift is https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214014756 2017-12-07 08:58:57 UTC https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214014756 K https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214014825 When light waves are stretched out and appear red]]> 2017-12-07 08:59:16 UTC https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214014825 https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214014931 When light waves are stretched out ]]> 2017-12-07 08:59:45 UTC https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214014931 Red shift is https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214014953 When light waves are stretched out, they appear red as they are moving away from us. When the light waves are squashed they appear blue, as they are moving towards us.

]]> 2017-12-07 08:59:52 UTC https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214014953 They https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214014985 Used red shift which show the universe is always expanding and galaxies are moving away from us so the galaxy must have been at one point at the beg]]> 2017-12-07 09:00:01 UTC https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214014985 Red shift is: -Ella and Grace https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214015024 Red shift is where an object is moving away from us at the speed of light. ]]> 2017-12-07 09:00:10 UTC https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214015024 https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214015027 Evidence for the Big Bang is that galaxies are moving away from us over time. We can tell this because the further away galaxies get, they become redder, and they have very slowly gotten rdder and redder. And this provides evidence for the idea that the universe started from something smaller than an atom.]]> 2017-12-07 09:00:12 UTC https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214015027 https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214015122 When waves get stretched as they move away and compressed as they go towards you ]]> 2017-12-07 09:00:30 UTC https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214015122 They provide evidence for the big BANG by... https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214015134 Red shift]]> 2017-12-07 09:00:33 UTC https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214015134 K https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214015158 The galaxies in space appear red, people think this is because it is moving further away and therefore there must've been a starting point where everything stretched out from]]> 2017-12-07 09:00:40 UTC https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214015158 https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214015208 The evidence for the big bang is that the galaxies are red so that means they are going further away which meant that one day they were all together ]]> 2017-12-07 09:00:55 UTC https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214015208 https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214015256 They used the red shift theory where they believe all galaxies emit light and when stretched further away is looks red and when closer it looks blue and when they saw that some galaxies started to look redder they estimated that the universe was expanding.]]> 2017-12-07 09:01:09 UTC https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214015256 Sound and light https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214015293 When sound waves get squished the are a higher pitch and when they’d get strichend it is a lower pitch. That is why when so,etching goes past you at speed it sounds different when it is on the right and eh nicht it is on the left. When light is squished it looks blue amd when it’s isn’t streched it looks red.]]> 2017-12-07 09:01:20 UTC https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214015293 Red shift is long wavelengths that are stretched out to appear red https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214015362

]]> 2017-12-07 09:01:38 UTC https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214015362 Red shift https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214015363 Where something is far away so the light turns red]]> 2017-12-07 09:01:38 UTC https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214015363 https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214015379 Evidence is that the universe was squashed to a point showing there’s was a beginning. The universe is still expanding and space is slowly stretching. There are red gal]]> 2017-12-07 09:01:43 UTC https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214015379 Grace and Paige 15newmang https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214015382 The Doppler affect is when the waves get squished when they come towards you and get stretched when they go away from you 


]]> 2017-12-07 09:01:43 UTC https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214015382 Doppler affect is... https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214015388 White light waves showing a different frequency because they're moving causing red shift]]> 2017-12-07 09:01:45 UTC https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214015388 When something is moving near to the speed of light and when the light waves are stretched out it changes from blue to red. https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214015393
Ewan]]> 2017-12-07 09:01:46 UTC https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214015393 Red shift https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214015396 Long wavelength ]]> 2017-12-07 09:01:47 UTC https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214015396 The doppler effect https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214015406  ]]> 2017-12-07 09:01:48 UTC https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214015406 https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214015559
Red shift is..

Where something is moving at close to light speed and changes from blue to red

]]> 2017-12-07 09:02:24 UTC https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214015559 Big bang theory https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214015578 Red shift' is a key concept for astronomers. The term can be understood literally - the wavelength of the light is stretched, so the light is seen as 'shifted' towards the red part of the spectrum. Something similar happens to sound waves when a source of sound moves relative to an observer.]]> 2017-12-07 09:02:29 UTC https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214015578 Red shift https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214015584 Is when light waves are stretched 

]]> 2017-12-07 09:02:32 UTC https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214015584 The Doppler affect is: -Ella and Grace https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214015686 The Doppler effect is when ]]> 2017-12-07 09:03:05 UTC https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214015686 https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214015757 Red shift ]]> 2017-12-07 09:03:19 UTC https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214015757 Doppler effect https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214015784 When a sound or light wave is stretched ]]> 2017-12-07 09:03:26 UTC https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214015784 https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214015836 Red shift is where light waves are stretched or shortened and change from blue to red.]]> 2017-12-07 09:03:38 UTC https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214015836 https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214015837 Red shift is when things move further away and appear red.]]> 2017-12-07 09:03:38 UTC https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214015837 https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214015997 Red shift
Stretched light wave length increases (blue to red)]]> 2017-12-07 09:04:20 UTC https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214015997 Char s https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214016270 When light is stretched and gives a red affect 

]]> 2017-12-07 09:05:29 UTC https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214016270 https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214016311 I dont know

]]> 2017-12-07 09:05:39 UTC https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214016311 Redshift https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214016423 Iswhenlightwavesarecompressedtheycomestowardsyouandtheylookblue. Whentheyaregoingawayfromyoutheylookred.]]> 2017-12-07 09:06:18 UTC https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214016423 https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214016666 2017-12-07 09:07:24 UTC https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214016666 https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214016726 Our whole universe was in a hot, dense state
Then nearly fourteen billion years ago expansion started, wait
The earth began to cool, the autotrophs began to drool
Neanderthals developed tools
We built a wall (we built the pyramids)
Math, science, history, unraveling the mysteries
That all started with the big bang! Hey!]]> 2017-12-07 09:07:42 UTC https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214016726 The Doppler effect https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214017348 Nyeeeoomm]]> 2017-12-07 09:09:54 UTC https://padlet.com/macgregorj/g2o3j6cw08hb/wish/214017348