https://padlet.com/perezale000/to73e5f07ejy 6- Perez, Huntley, Drabbant, Caruso en-us 2017-02-24 18:31:08 UTC 2025-09-24 05:02:47 UTC hello@padlet.com carusjoh000 https://padlet.com/perezale000/to73e5f07ejy/wish/156113680 They are light rays you can see.]]> 2017-02-24 18:46:28 UTC https://padlet.com/perezale000/to73e5f07ejy/wish/156113680 carusjoh000 https://padlet.com/perezale000/to73e5f07ejy/wish/156113910 Are these light rays visible?]]> 2017-02-24 18:47:09 UTC https://padlet.com/perezale000/to73e5f07ejy/wish/156113910 huntlzac000 https://padlet.com/perezale000/to73e5f07ejy/wish/156503998 They are made by anything that glows.]]> 2017-02-27 18:03:53 UTC https://padlet.com/perezale000/to73e5f07ejy/wish/156503998 perezale000 https://padlet.com/perezale000/to73e5f07ejy/wish/156504555 2017-02-27 18:05:27 UTC https://padlet.com/perezale000/to73e5f07ejy/wish/156504555 huntlzac000 https://padlet.com/perezale000/to73e5f07ejy/wish/156504764 The surface of the sun is 5,600 degrees and gives off a great deal of light.]]> 2017-02-27 18:06:05 UTC https://padlet.com/perezale000/to73e5f07ejy/wish/156504764 huntlzac000 https://padlet.com/perezale000/to73e5f07ejy/wish/156505108 a light bulb works by getting heated up to around 3,000 degrees and glows white and hot.]]> 2017-02-27 18:07:05 UTC https://padlet.com/perezale000/to73e5f07ejy/wish/156505108 drabbmat000 https://padlet.com/perezale000/to73e5f07ejy/wish/156506408 We use light to see things.]]> 2017-02-27 18:10:25 UTC https://padlet.com/perezale000/to73e5f07ejy/wish/156506408 huntlzac000 https://padlet.com/perezale000/to73e5f07ejy/wish/156506788 2017-02-27 18:11:21 UTC https://padlet.com/perezale000/to73e5f07ejy/wish/156506788 carusjoh000 https://padlet.com/perezale000/to73e5f07ejy/wish/156507036 2017-02-27 18:11:58 UTC https://padlet.com/perezale000/to73e5f07ejy/wish/156507036 drabbmat000 https://padlet.com/perezale000/to73e5f07ejy/wish/156507335 We've evolved to make use  of these particular wavelenghts.]]> 2017-02-27 18:12:44 UTC https://padlet.com/perezale000/to73e5f07ejy/wish/156507335 perezale000 https://padlet.com/perezale000/to73e5f07ejy/wish/156507962

]]> 2017-02-27 18:14:07 UTC https://padlet.com/perezale000/to73e5f07ejy/wish/156507962 drabbmat000 https://padlet.com/perezale000/to73e5f07ejy/wish/156508512 Light waves can also be made using a laser.]]> 2017-02-27 18:15:20 UTC https://padlet.com/perezale000/to73e5f07ejy/wish/156508512 carusjoh000 https://padlet.com/perezale000/to73e5f07ejy/wish/156508941 Visible ligth rays can be harmfull to your eyes. ]]> 2017-02-27 18:16:16 UTC https://padlet.com/perezale000/to73e5f07ejy/wish/156508941 drabbmat000 https://padlet.com/perezale000/to73e5f07ejy/wish/156509554 2017-02-27 18:17:42 UTC https://padlet.com/perezale000/to73e5f07ejy/wish/156509554 perezale000 https://padlet.com/perezale000/to73e5f07ejy/wish/156510021 2017-02-27 18:18:50 UTC https://padlet.com/perezale000/to73e5f07ejy/wish/156510021 huntlzac000 https://padlet.com/perezale000/to73e5f07ejy/wish/157126881 2017-03-01 18:30:10 UTC https://padlet.com/perezale000/to73e5f07ejy/wish/157126881