The functions  y = x 2  and  y = –x 2 Student activity Play

The heart – internal structure Student activity Play

The heart – internal structure Whiteboard exercise Play

The internal energy of a body Animation Play

The internal energy of a body Student activity Play

The internal energy of a body Whiteboard exercise Play

The internal energy of a body Whiteboard exercise Play

The internal energy of a gas Student activity Play

The internal energy of a gas Animation Play

The internal energy of a gas Simulation Play

The internal energy of a gas Whiteboard exercise Play

The internal environment of multicellular organisms Animation Play

The Law of Conservation of Energy Whiteboard exercise Play

The law of Conservation of Energy Student activity Play

The law of reflection Slideshow Play

The Law of Reflection Simulation Play

The Law of Reflection Whiteboard exercise Play

The Law of Reflection Student activity Play

The Law of Wave Reflection Animation Play

The Law of Wave Reflection Student activity Play

The Law of Wave Reflection Whiteboard exercise Play

The light microscope Student activity Play

The measure of internal energy Animation Play

The pairs of congruent figures Simulation Play

The phenomenon of radiation Student activity Play