#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/
Nutritional Health Worksheets - What's On My Plate?
This is interesting, esp. as schools are cutting down recess/playtime/phys ed to nothing, and the nutritional value of the food kids eat in schools is completely inadequate. Brains can't work well if the rest of the body isn't being taken care of.