![Sound waves](/sites/default/files/styles/resource_card_image_360x300_/public/2020-01/Sound_wave_icons.jpg?itok=GMAHUQyT)
What is Sound and How do we Hear it?
Backgrounders
Learn how sound travels in waves and how it is measured in this backgrounder.
![Sound waves and sound-producing devices. Image © jop_pop, istockphoto.com](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/Sound%20waves%20and%20sound-producing%20devices.jpg?itok=6ATkmIUM)
Sound vs. Noise
STEM Explained
What is the difference between sound and noise? How do they affect your hearing? And is noise always a bad thing?
![Inside the Destiny Laboratory Module on board the International Space Station](/sites/default/files/styles/resource_card_image_360x300_/public/2019-12/Destiny_Module_Sound.jpg?itok=A-lv_XQ9)
Noise on Earth and on the International Space Station
Backgrounders
This backgrounder explains what noise is, how it is measured, and how it affects our hearing, wellness and more.