https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq Review en-us 2021-01-06 18:06:36 UTC 2021-01-07 07:19:59 UTC hello@padlet.com https://padlet.net/icons/png/1f643.png https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062150068 2021-01-07 06:49:39 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062150068 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062150519 2021-01-07 06:50:00 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062150519 https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062150548 Light travels faster than sound because sound waves can only travel as waves of pressure in a medium, whereas electromagnetic waves.]]> 2021-01-07 06:50:01 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062150548 615909 https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062151205 2021-01-07 06:50:38 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062151205 615909 https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062153697
The lightning flash travels much faster than the sound of the thunder.
Although both happen almost at the same time, sound waves need a medium to travel through. The particles of the medium need to move back and forth to carry sound waves from one place to another.]]> 2021-01-07 06:52:28 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062153697 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062154254 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 06:52:49 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062154254 3086113 https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062154302 2021-01-07 06:52:50 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062154302 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062155084 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 06:53:24 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062155084 https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062155135 Because it does not need a medium to travel.]]> 2021-01-07 06:53:28 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062155135 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062156908 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 06:54:55 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062156908 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062156921 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 06:54:56 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062156921 https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062157017 Light doesn't need a medium to travel. The speed of sound through air is about 340 meters per second.]]> 2021-01-07 06:55:00 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062157017 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062157136 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 06:55:06 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062157136 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062157138 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 06:55:06 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062157138 s635736 https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062157401 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 06:55:17 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062157401 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062157405 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 06:55:17 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062157405 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062157414 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 06:55:18 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062157414 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062157433 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 06:55:18 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062157433 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062157808 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 06:55:34 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062157808 3086113 https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062158192 li]]> 2021-01-07 06:55:55 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062158192 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062158391 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 06:56:03 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062158391 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062160178 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 06:57:16 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062160178 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062161200 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 06:58:00 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062161200 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062161238 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 06:58:01 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062161238 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062161424 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 06:58:08 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062161424 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062162103 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 06:58:33 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062162103 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062162221 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 06:58:36 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062162221 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062163340 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 06:59:16 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062163340 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062163671 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 06:59:31 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062163671 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062163938 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 06:59:43 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062163938 s635736 https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062164412
The lightning flash travels much faster than the sound of the thunder.
Although both happen almost at the same time, sound waves need a medium to travel through. The particles of the medium need to move back and forth to carry sound waves from one place to another.]]> 2021-01-07 07:00:06 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062164412 ragaad407 https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062164461 Light doesn't need a medium to travel. The speed of sound through air is about 340 meters per second. It's faster through water, and it's even faster through steel. Light will travel through a vacuum at 300 million meters per second.]]> 2021-01-07 07:00:08 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062164461 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062164747 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 07:00:21 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062164747 s635736 https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062164980
The lightning flash travels much faster than the sound of the thunder.
Although both happen almost at the same time, sound waves need a medium to travel through. The particles of the medium need to move back and forth to carry sound waves from one place to another.]]> 2021-01-07 07:00:32 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062164980 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062165057 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 07:00:35 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062165057 https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062165756 2021-01-07 07:01:10 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062165756 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062166627 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 07:01:58 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062166627 https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062166728 becuse the li]]> 2021-01-07 07:02:05 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062166728 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062168315 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 07:03:30 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062168315 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062168336 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 07:03:31 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062168336 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062168354 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 07:03:31 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062168354 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062172402 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 07:04:03 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062172402 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062172438 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 07:04:03 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062172438 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062172469 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 07:04:04 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062172469 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062172507 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 07:04:04 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062172507 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062172542 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 07:04:04 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062172542 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062172581 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 07:04:04 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062172581 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062172614 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 07:04:05 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062172614 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062172642 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 07:04:05 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062172642 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062172667 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 07:04:05 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062172667 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062172699 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 07:04:06 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062172699 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062172733 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 07:04:06 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062172733 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062172770 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 07:04:06 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062172770 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062172795 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 07:04:07 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062172795 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062172822 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 07:04:07 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062172822 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062172857 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 07:04:07 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062172857 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062172884 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 07:04:08 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062172884 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062172922 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 07:04:08 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062172922 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062172941 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 07:04:08 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062172941 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062172946 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 07:04:08 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062172946 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062172973 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 07:04:08 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062172973 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062173002 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 07:04:09 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062173002 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062173025 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 07:04:09 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062173025 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062173048 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 07:04:09 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062173048 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062173072 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 07:04:10 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062173072 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062173099 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 07:04:10 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062173099 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062173123 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 07:04:10 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062173123 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062173148 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 07:04:11 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062173148 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062173175 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 07:04:11 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062173175 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062173199 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 07:04:11 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062173199 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062173222 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 07:04:12 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062173222 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062173242 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 07:04:12 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062173242 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062173265 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 07:04:12 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062173265 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062173284 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 07:04:12 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062173284 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062173309 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 07:04:13 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062173309 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062173337 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 07:04:13 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062173337 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062173361 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 07:04:13 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062173361 Faithdracula https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062173391 Because light can travel through empty space and is an electromagnetic wave and can travel without a medium.]]> 2021-01-07 07:04:14 UTC https://padlet.com/clairecoyne/5a8zowx8mu9g5pdq/wish/1062173391