Kelvin

src: cdn.vox-cdn.com The Kelvin scale is an absolute thermodynamic temperature scale using as its null point absolute zero, the temperature...

Gravity of Earth

src: denali.gsfc.nasa.gov The gravity of Earth , which is denoted by g , refers to the acceleration that is imparted to objects due to the d...

Constructivism (philosophy of education)

src: image.slidesharecdn.com Constructivism is a philosophical viewpoint about the nature of knowledge. Specifically, it represents an onto...