Is a practical demonstration reliable? Whiteboard exercise Play

Is a practical demonstration reliable? Student activity Play

Isosceles triangles – solving problems Whiteboard exercise Play

Length constructions Student activity Play

Length constructions Simulation Play

Length contraction (Lorentz-Fitzgerald contraction) Student activity Play

Length contraction (Lorentz-Fitzgerald contraction) Glossary Play

Length contraction (Lorentz-Fitzgerald contraction) Whiteboard exercise Play

Length of a side of a cube Whiteboard exercise Play

Length of pencils Animation Play

Lengths of edges of the cubes Whiteboard exercise Play

Lens equation and magnification Student activity Play

Lens equation and magnification Whiteboard exercise Play

Lenses Whiteboard presentation Play

Lenses Class activity Play

Linear functions and their graphs in real life Class activity Play

Linear functions and their graphs in real life Whiteboard presentation Play

Long arm, small force Student activity Play

Magnification in relation to the focal length and the distance from the mirror Animation Play

Magnitude of a force Student activity Play

Magnitude of a force Simulation Play

Magnitudes of vectors Whiteboard exercise Play

Magnitudes of vectors Student activity Play

Making a triangle Animation Play

Measurements Whiteboard presentation Play