#Mechanical waves and #Electromagnetic waves are the main 2 types of waves. Learn the #characteristics of electromagnetic waves with more details about them. → http://www.smartsciencepro.com/types-waves-electromagnetic/
Acoustical Properties is the interdisciplinary science that deals with the study of all mechanical waves in gases, liquids, and solids including topics such as vibration, sound, ultrasound and infrasound. In this photo we can see a infrasound
Here is a quick and easy toy that you can make in an evening. It's a great way to help children (and adults!) practice spatial awareness and modelling, and its a super cool toy that people will be wowed when you tell them you made it!