Nuclear fusion Class activity Play

Nuclear fusion reaction Whiteboard exercise Play

Number of molecules Animation Play

Nutrients Student activity Play

Nutrients in food Slideshow Play

On what does an increase in temperature depend? Whiteboard exercise Play

On what does an increase in temperature depend? Student activity Play

On what does an increase in temperature depend? Simulation Play

On what does kinetic friction depend Whiteboard exercise Play

On what does kinetic friction depend Student activity Play

On what does the period of a ball pendulum depend? Animation Play

On what does the period of a ball pendulum depend? Whiteboard exercise Play

On what does the period of a ball pendulum depend? Student activity Play

Orbital velocity Animation Play

Orbits and gravity Student activity Play

Organism's adaptation to long-time effort Slideshow Play

Other physical properties of alkanes Student activity Play

Other properties Student activity Play

Oxides formed by Period 3 elements Chart Play

Oxygen in water Animation Play

Partial pressure and molar fraction Whiteboard exercise Play

Partial pressure and molar fraction Student activity Play

Passage to a different medium Simulation Play

Passage to a different medium Student activity Play

Percentage composition of compounds Student activity Play