What is the mass of water in the pool Animation Play

What power do you work with when riding a bike? Simulation Play

What will fall faster Animation Play

What will the falling scale indicate? Animation Play

Where stars are born? Student activity Play

Where stars are born? Whiteboard exercise Play

Why atomic masses are not usually whole numbers? Student activity Play

Why it is useful to know the atomic masses of elements? Student activity Play

Work Student activity Play

Work Animation Play

Work and kinetic energy Whiteboard exercise Play

Work and kinetic energy Student activity Play

Work and potential energy Student activity Play

X-ray absorption Animation Play

Zero-order reactions Student activity Play

Zero-order reactions Whiteboard exercise Play

α angle and Lorentz factor Whiteboard exercise Play

α decay Student activity Play