Reflecting telescopes Whiteboard exercise Play

Reflecting telescopes Student activity Play

Refracting telescope Whiteboard exercise Play

Refracting telescope Student activity Play

Rounded measures Animation Play

Supplementary, corresponding and alternate angles Whiteboard exercise Play

Supplementary, vertical, corresponding and alternate angles Student activity Play

The angles of isosceles triangles Student activity Play

The angles that are multiples of 45° Animation Play

The angles that are multiples of 60° Animation Play

The angular momentum of planets Animation Play

The angular velocity vector Animation Play

The central angle of a regular polygon Whiteboard exercise Play

The central angle of a regular polygon Student activity Play

The concept of pH Student activity Play

The constancy of the angular momentum vector Animation Play

The constancy of the angular momentum vector Whiteboard exercise Play

The constancy of the angular momentum vector Student activity Play

The different passage of time Student activity Play

The different passage of time Whiteboard exercise Play

The equilibrium of the moments of the forces Animation Play

The exterior angle of a regular polygon Student activity Play

The hands of a clock Whiteboard exercise Play

The highest speed Whiteboard exercise Play

The interaction between radiation and matter Student activity Play