https://padlet.com/zekulla/57lowrdyf7cf Heat, light, sound/waves and electricity en-us 2017-11-22 04:08:13 UTC 2025-10-24 05:50:27 UTC hello@padlet.com zekulla https://padlet.com/zekulla/57lowrdyf7cf/wish/209326383 2017-11-22 04:12:26 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209326383 binoybin https://padlet.com/zekulla/57lowrdyf7cf/wish/209326467 - caused by the vibration of particles
- longitudinal wave
- can only travel through mediums (substances)]]> 2017-11-22 04:13:07 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209326467 joshyju https://padlet.com/zekulla/57lowrdyf7cf/wish/209326482 2017-11-22 04:13:15 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209326482 kanchalee2589 https://padlet.com/zekulla/57lowrdyf7cf/wish/209326530 - electricity can be either positive and negative
- electrons is carry negative charge
- protons is carry positive charge]]> 2017-11-22 04:13:47 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209326530 joshyju https://padlet.com/zekulla/57lowrdyf7cf/wish/209326659 2017-11-22 04:15:11 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209326659 binoybin https://padlet.com/zekulla/57lowrdyf7cf/wish/209326730 - sound travels in longitudinal waves
- longitudinal waves move particles in the travel of the wave.]]> 2017-11-22 04:16:09 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209326730 joshyju https://padlet.com/zekulla/57lowrdyf7cf/wish/209326860 2017-11-22 04:17:26 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209326860 zekulla https://padlet.com/zekulla/57lowrdyf7cf/wish/209326886 2017-11-22 04:17:41 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209326886 joshyju https://padlet.com/zekulla/57lowrdyf7cf/wish/209326889 2017-11-22 04:17:42 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209326889 joshyju https://padlet.com/zekulla/57lowrdyf7cf/wish/209326966 2017-11-22 04:18:17 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209326966 binoybin https://padlet.com/zekulla/57lowrdyf7cf/wish/209327149 - compressions are  particles close together 
- rarefactions are particles far apart]]> 2017-11-22 04:20:25 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209327149 zekulla https://padlet.com/zekulla/57lowrdyf7cf/wish/209327174 2017-11-22 04:20:43 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209327174 binoybin https://padlet.com/zekulla/57lowrdyf7cf/wish/209327192 - the distance the air particles move is called amplitude.
- frequency is the number of waves that pass a point per second.]]> 2017-11-22 04:20:58 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209327192 zekulla https://padlet.com/zekulla/57lowrdyf7cf/wish/209327235 2017-11-22 04:21:27 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209327235 zekulla https://padlet.com/zekulla/57lowrdyf7cf/wish/209327260 2017-11-22 04:21:46 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209327260 zekulla https://padlet.com/zekulla/57lowrdyf7cf/wish/209327285 2017-11-22 04:22:00 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209327285 joshyju https://padlet.com/zekulla/57lowrdyf7cf/wish/209327286 2017-11-22 04:22:01 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209327286 joshyju https://padlet.com/zekulla/57lowrdyf7cf/wish/209327345 2017-11-22 04:22:28 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209327345 joshyju https://padlet.com/zekulla/57lowrdyf7cf/wish/209327404 2017-11-22 04:23:11 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209327404 kanchalee2589 https://padlet.com/zekulla/57lowrdyf7cf/wish/209327520 2017-11-22 04:24:32 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209327520 joshyju https://padlet.com/zekulla/57lowrdyf7cf/wish/209327590 2017-11-22 04:25:29 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209327590 zekulla https://padlet.com/zekulla/57lowrdyf7cf/wish/209327767 2017-11-22 04:27:49 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209327767 zekulla https://padlet.com/zekulla/57lowrdyf7cf/wish/209327778 2017-11-22 04:27:58 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209327778 kanchalee2589 https://padlet.com/zekulla/57lowrdyf7cf/wish/209327782 -is a closed circuit in which the current follows one path]]> 2017-11-22 04:28:01 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209327782 zekulla https://padlet.com/zekulla/57lowrdyf7cf/wish/209327787 2017-11-22 04:28:05 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209327787 joshyju https://padlet.com/zekulla/57lowrdyf7cf/wish/209327798 2017-11-22 04:28:14 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209327798 zekulla https://padlet.com/zekulla/57lowrdyf7cf/wish/209327800 2017-11-22 04:28:15 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209327800 kanchalee2589 https://padlet.com/zekulla/57lowrdyf7cf/wish/209327854 -closed circuit in which the current divides into two or more paths before recombining to complete the circuit]]> 2017-11-22 04:28:54 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209327854 zekulla https://padlet.com/zekulla/57lowrdyf7cf/wish/209328299 2017-11-22 04:33:24 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209328299 binoybin https://padlet.com/zekulla/57lowrdyf7cf/wish/209328383 frequency is measured in hertz (Hz)]]> 2017-11-22 04:34:28 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209328383 zekulla https://padlet.com/zekulla/57lowrdyf7cf/wish/209328449 2017-11-22 04:35:25 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209328449 binoybin https://padlet.com/zekulla/57lowrdyf7cf/wish/209328464 amplitude is measured in amperes (amps - A]]> 2017-11-22 04:35:31 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209328464 joshyju https://padlet.com/zekulla/57lowrdyf7cf/wish/209328535 2017-11-22 04:36:11 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209328535 zekulla https://padlet.com/zekulla/57lowrdyf7cf/wish/209328635 Particle, electromagnetic, transverse, speed]]> 2017-11-22 04:37:17 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209328635 zekulla https://padlet.com/zekulla/57lowrdyf7cf/wish/209328726 2017-11-22 04:38:24 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209328726 joshyju https://padlet.com/zekulla/57lowrdyf7cf/wish/209328969 2017-11-22 04:41:30 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209328969 zekulla https://padlet.com/zekulla/57lowrdyf7cf/wish/209329345 L_{ight waves can travel through other mediums too such as air, water and glass, where they slow down slightly. Unlike sound waves, light waves don’t need a medium (solid,} 

_{liquid or gas) in which to travel, due to their electromagnetic nature.} 

]]> 2017-11-22 04:45:56 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209329345 joshyju https://padlet.com/zekulla/57lowrdyf7cf/wish/209329664 2017-11-22 04:49:16 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209329664 binoybin https://padlet.com/zekulla/57lowrdyf7cf/wish/209329703 v = lambda x f
- v is wavespeed (m/s)
- lambda is the wavelength (m)
- f is frequency (Hz)]]> 2017-11-22 04:49:49 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209329703 kanchalee2589 https://padlet.com/zekulla/57lowrdyf7cf/wish/209329783 2017-11-22 04:50:37 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209329783 joshyju https://padlet.com/zekulla/57lowrdyf7cf/wish/209329851 Any material that allows thermal energy to flow easily through it. 
E.g.  metal, silver]]> 2017-11-22 04:51:22 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209329851 binoybin https://padlet.com/zekulla/57lowrdyf7cf/wish/209329897 v = lambda x f
f = v/lambda
lambda = v/f]]> 2017-11-22 04:51:45 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209329897 joshyju https://padlet.com/zekulla/57lowrdyf7cf/wish/209329974 Material that slow down the transfer of thermal energy. 
E.g. polystyrene foam, wool]]> 2017-11-22 04:52:49 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209329974 binoybin https://padlet.com/zekulla/57lowrdyf7cf/wish/209330056 Can be used to:
- map ocean floor
- check the depth of water
- locate schools of fish]]> 2017-11-22 04:53:56 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209330056 kanchalee2589 https://padlet.com/zekulla/57lowrdyf7cf/wish/209330189         use for find the result of the voltage, current and resistance   
                  V = IR]]> 2017-11-22 04:55:38 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209330189 zekulla https://padlet.com/zekulla/57lowrdyf7cf/wish/209330215 2017-11-22 04:55:50 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209330215 binoybin https://padlet.com/zekulla/57lowrdyf7cf/wish/209330234 - cannot travel in space (no medium)
- travels faster in water
- travels faster in solids
- travels faster at higher temperatures]]> 2017-11-22 04:56:06 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209330234 zekulla https://padlet.com/zekulla/57lowrdyf7cf/wish/209330266 Compression waves can be either close together or far apart.
When the waves travel close together they are considered as frequent]]> 2017-11-22 04:56:23 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209330266 joshyju https://padlet.com/zekulla/57lowrdyf7cf/wish/209330372 2017-11-22 04:57:34 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209330372 zekulla https://padlet.com/zekulla/57lowrdyf7cf/wish/209330451 2017-11-22 04:58:34 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209330451 kanchalee2589 https://padlet.com/zekulla/57lowrdyf7cf/wish/209398600 R stands for resistance
V stands for voltage
I stands for current]]> 2017-11-22 10:50:08 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209398600 zekulla https://padlet.com/zekulla/57lowrdyf7cf/wish/209577031 _{In some experiments, light behaved as if it were a wave. Other experiments indicated that light was a particle. Scientists now agree that light consists of a particle called a photon, which can move in a wavelike fashion.} ]]> 2017-11-23 00:58:27 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209577031 zekulla https://padlet.com/zekulla/57lowrdyf7cf/wish/209577113 _{We only see a small amount of this light energy. All these di erent types of light
 have common features. ey all travel at the same speed, the speed of light, but they have
 an obvious difference. They have different wavelengths and therefore different frequencies.} ]]> 2017-11-23 00:59:20 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209577113 zekulla https://padlet.com/zekulla/57lowrdyf7cf/wish/209577231  

_{Light waves are different from sound waves. Sound waves exist as longitudinal waves – the vibrations of the air particles are in the same direction as the direction of travel of the wave. In light waves, the vibrations are at right angles to the direction of travel of the wave.} 

]]> 2017-11-23 01:00:31 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209577231 kanchalee2589 https://padlet.com/zekulla/57lowrdyf7cf/wish/209577234 2017-11-23 01:00:32 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209577234 joshyju https://padlet.com/zekulla/57lowrdyf7cf/wish/209577394 Energy of moving/vibrating particles, heat; the kinetic energy of particles that increases as their temperature increases ]]> 2017-11-23 01:02:28 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209577394 kanchalee2589 https://padlet.com/zekulla/57lowrdyf7cf/wish/209579453 2017-11-23 01:18:44 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209579453 kanchalee2589 https://padlet.com/zekulla/57lowrdyf7cf/wish/209579664 - Car battery]]> 2017-11-23 01:20:30 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209579664 kanchalee2589 https://padlet.com/zekulla/57lowrdyf7cf/wish/209580115 -  torch battery]]> 2017-11-23 01:24:35 UTC https://padlet.com/zekulla/57lowrdyf7cf/wish/209580115