Effects of physical effort on the functioning of the circulatory system Class activity Play

Effects of physical effort on the functioning of the circulatory system Whiteboard presentation Play

Electric field of a system of point charges Slideshow Play

Electric field of a system of point charges Whiteboard exercise Play

Electric field of a system of point charges Student activity Play

Elements of the thermoregulatory system Whiteboard exercise Play

Embryonic development of the nervous system Whiteboard exercise Play

Embryonic development of the nervous system Student activity Play

Endocrine glands and the regulation of metabolic processes Slideshow Play

Endothermic reaction Animation Play

Energy transfer during chemical reactions Whiteboard exercise Play

Energy transfer during chemical reactions Student activity Play

Enlargements Whiteboard presentation Play

Enlargements Class activity Play

Enlargements in the coordinate system Whiteboard exercise Play

Enlargements in the coordinate system Whiteboard exercise Play

Enlargements in the coordinate system Student activity Play

Enlargements in the coordinate system Student activity Play

Enlargements in the coordinate system at the point (0, 0) Student activity Play

Enlargements in the coordinate system at the point (0,0) Whiteboard exercise Play

Entropy Student activity Play

Entropy and spontaneous changes Student activity Play

Entropy and spontaneous changes Whiteboard exercise Play

Entropy and the probability of transition of a system to a state of higher entropy Student activity Play

Entropy and the probability of transition of a system to a state of higher entropy Whiteboard exercise Play