https://padlet.com/upasnakhera/u8g89b9e1j6wtsya Recap- What all do you know now? en-us 2020-08-07 08:43:19 UTC 2025-12-08 11:57:41 UTC hello@padlet.com https://padlet.net/icons/png/1f374.png https://padlet.com/upasnakhera/u8g89b9e1j6wtsya/wish/974363406 I learned that light changes direction when it travels through different mediums. The light travels faster in the air than in the water.

]]> 2020-12-01 04:41:01 UTC https://padlet.com/upasnakhera/u8g89b9e1j6wtsya/wish/974363406 https://padlet.com/upasnakhera/u8g89b9e1j6wtsya/wish/974363934 Sound is a wave like first the like a disco makes sound it disturbs the air around then the air around the first line of particles pass to the next line of particles and then the soundwave keeps interrupting the air around after it passes a few lines on particles(the distance of the of between us and the disco ) finally it reaches are ears and makes sound.]]> 2020-12-01 04:41:21 UTC https://padlet.com/upasnakhera/u8g89b9e1j6wtsya/wish/974363934 https://padlet.com/upasnakhera/u8g89b9e1j6wtsya/wish/974364048 I remember that light moves in a straight line.I also remember refraction and reflection.Refraction is a property of light which happens when light travels from one medium to another and it bends.Reflection is when light bounces off from a shiny and opaque object like mirrors. ]]> 2020-12-01 04:41:26 UTC https://padlet.com/upasnakhera/u8g89b9e1j6wtsya/wish/974364048 https://padlet.com/upasnakhera/u8g89b9e1j6wtsya/wish/974365077 I remember that light is very helpful and it moves in a straight line.]]> 2020-12-01 04:42:06 UTC https://padlet.com/upasnakhera/u8g89b9e1j6wtsya/wish/974365077 https://padlet.com/upasnakhera/u8g89b9e1j6wtsya/wish/974368489 I learned that sound is the term to describe what is heard when sound waves pass through a medium to the ear.]]> 2020-12-01 04:44:31 UTC https://padlet.com/upasnakhera/u8g89b9e1j6wtsya/wish/974368489 https://padlet.com/upasnakhera/u8g89b9e1j6wtsya/wish/974373758 I remember that light moves in a straight line and that light reflects opaque objects and that is how we see ourselves in the mirror.]]> 2020-12-01 04:48:06 UTC https://padlet.com/upasnakhera/u8g89b9e1j6wtsya/wish/974373758 https://padlet.com/upasnakhera/u8g89b9e1j6wtsya/wish/974375708 Sound is made when something makes sound or noise and the air around it vibrates then the air enters our ear.I also remember echo is made when sound waves hit a hard object and bounces back but it they hit a soft object they get absorbed.]]> 2020-12-01 04:49:22 UTC https://padlet.com/upasnakhera/u8g89b9e1j6wtsya/wish/974375708 https://padlet.com/upasnakhera/u8g89b9e1j6wtsya/wish/974377669 sound is a term you to describe a heard sound.]]> 2020-12-01 04:50:45 UTC https://padlet.com/upasnakhera/u8g89b9e1j6wtsya/wish/974377669 https://padlet.com/upasnakhera/u8g89b9e1j6wtsya/wish/974378701 I REMEMBER THAT LIGHT GOES STRATE AND SOUND IS A AIR VIBRATION.WE HEAR SOUND BY SOMETHING IN OUR EARS.LIGHT CANT PASS THREW OPIC OBJECTS AND CREATS A SHADOW.      ]]> 2020-12-01 04:51:29 UTC https://padlet.com/upasnakhera/u8g89b9e1j6wtsya/wish/974378701 https://padlet.com/upasnakhera/u8g89b9e1j6wtsya/wish/974384146 I remember that sound travels in different mediums and sound has very different effect in different mediums.]]> 2020-12-01 04:53:21 UTC https://padlet.com/upasnakhera/u8g89b9e1j6wtsya/wish/974384146 https://padlet.com/upasnakhera/u8g89b9e1j6wtsya/wish/974384531 In space to parallel line never bend
but on earth we have so many mediums so if light crosses air what is a medium when it enters in water another medium light shifts and we can see light bend.]]> 2020-12-01 04:53:38 UTC https://padlet.com/upasnakhera/u8g89b9e1j6wtsya/wish/974384531