Relationship between gas volume and pressure Animation Play

Relationship between Kp and Kc Student activity Play

Relative abundance of isotopes and mass spectra Student activity Play

Renewable and non-renewable sources of energy Student activity Play

Renewable energy resources Student activity Play

Reversibility of the Carnot cycle Animation Play

Reversibility of the Carnot cycle Animation Play

Reversibility of the Carnot cycle Whiteboard exercise Play

Reversibility of the Carnot cycle Student activity Play

Reversible and irreversible processes Animation Play

Reversible and irreversible processes Animation Play

Reversible and irreversible processes Illustration Play

Reversible and irreversible processes Illustration Play

Reversible and irreversible processes Student activity Play

Reversible and irreversible processes Whiteboard exercise Play

Reversible reactions and chemical equilibrium Whiteboard presentation Play

Reversible reactions and chemical equilibrium Class activity Play

Rock transformations Student activity Play

Rocky planets and gas giants Whiteboard exercise Play

Root pressure Animation Play

Saturated solutions Student activity Play

Seeing other bodies in space Student activity Play

Selected physical properties of oxides Chart Play

Self-regulation of a solar reactor Animation Play

Snow shoes Illustration Play