Earthquake Student activity Play

Earthquake Animation Play

Energy, power and intensity of a wave Whiteboard exercise Play

Energy, power and intensity of a wave Student activity Play

Focal point and focal length Animation Play

Focal point of a concave mirror Student activity Play

Focal point of a concave mirror Whiteboard exercise Play

Focal point of a convex mirror Whiteboard exercise Play

Focal point of a convex mirror Student activity Play

Huygens' Principle Animation Play

Huygens' Principle Student activity Play

Huygens' Principle Animation Play

Image magnification Animation Play

Images in convex mirrors Whiteboard exercise Play

Images in convex mirrors Student activity Play

Mechanical waves Whiteboard presentation Play

Mechanical waves Whiteboard presentation Play

Mechanical waves Class activity Play

Mechanical waves Class activity Play

One-base spherical segment Animation Play

Propagation of seismic waves Animation Play

Propagation of seismic waves Student activity Play

Propagation of seismic waves Whiteboard exercise Play

Seismic waves and the inside of the Earth Student activity Play

Seismic waves and the inside of the Earth Whiteboard exercise Play