GCSE Physics - Sound Waves and Hearing #73

This video covers:
- How sound waves travel through materials
- The idea that sound waves are longitudinal
- How wavelength changes with speed
- The structure of the human ear and how it works
- How the range of human hearing changes with age

Exam board specific info:
AQA - Separate/triple science and higher tier only
IGCSE Edexcel - Not really in your course (apart from the fact that human hearing is 20-20,000 Hz)
Edexcel - Separate/triple science and higher tier only
OCR 21st Century - Separate/triple science and higher tier only
OCR Gateway - Separate/triple science and higher tier only

Maths Playlist:

GCSE Chemistry playlist:

GCSE Biology Playlist:

GCSE Physics Playlist:

[mlmgxsu]

I swear this is the easiest explanation I've seen in my whole educational career.

[ankitas.k]

I love the way you explain everything, physics is soooo much simpler now thank you so much

[fshahnawaz]

When are you making a video on Doppler effect? The way you explain is seriously getting me addicted to this channel while exams are coming up 😁😋

[gfcdfg]

when are you making a video about the generator effect, btw u have the best science gcse channel in my opinion.

[mwayimhango]

Your videos have been very helpful to me at home and while studying

[henryhsil]

U deserve appreciation... Since u just concise book of oceans into a drop of water that works... Hoping soon ur website establishment..i will be first to drop there.. 😊

[taonanyashakufakunnesu]

Simple, accurate and helpful. Love it🤙🏽🤙🏽

[yousefsamaha]

Thank you so much for this explanation. 5 minutes of this video covered a lot of lessons at my school. Thank you

[airqx]

oh quarantine

how nice of you to make me watch this

i'm just so happy

[idk-eq]

Love this! Its so simple and fun to takes notes on. 💗

[FUCKYALL]

i finished my chem exam. it was amazing, all i did. was watch 10 of these 7 min vids and it got so easy, tomorrow is my phys exam. repeat!!

[AmirahO-du]

Been watching you throughout my whole secondary school journey and todays the last science gcse

[BTS.Army_]

That was the best explanation I have ever seen in my whole life. I feel like no other teacher can explain this as good as you! I'm so glad I found a vidoe like this! Thanks so much

[marcelachew]

Sgt. Harrell Middle School
Mercedes, TX
Carl....we loved to hear you say ROAR! The BENGALS at Sgt. Harrell always ROAR!!!!
Go BENGALS! Be Strong, Bengal Strong!

[alethbaccay]

this made a lot more sense than my teacher explained it oh btw I passed my exam because of this

[master]

May I ask when you started to make videos for GCSE? - Love your vids!!

[Shortness.]

Best channel, i have my physics exam tomo, wish me luck

[Divviiii]

I got an exam tomorrow. At this point, it's 1:00am and this is a lifesaver! Thank you @Cognitoedu!

[marxcarton]

Hmm i feel like u should start a website

[duckyrikii]

u jst made this chapter a whole lot easier!! tyyyy