10 topics · 10 live

Chemistry

Build atoms and molecules, balance equations atom by atom, mix acids and bases and speed reactions up or slow them down. Melt, boil and condense a particle model, squeeze and heat a gas, dissolve salts to saturation, follow electrons through redox reactions and build batteries and electrolysis cells.

Topics in Chemistry

2DBeginnerLive

Atomic Structure

Add protons, neutrons and electrons and watch the element, charge and energy levels change.

~12 min
3DIntermediateLive

Chemical Bonding

Combine atoms into molecules and compare ionic and covalent bonds.

~15 min
ExperimentIntermediateLive

Acid-Base Reactions

Change pH and watch indicators, ion concentrations and neutralization respond.

~15 min
ExperimentIntermediateLive

Reaction Rates

Vary temperature, concentration and surface area and measure how quickly particles react.

~15 min
ExperimentIntermediateLive

Gas Laws and Pressure

Squeeze, heat and fill a sealed cylinder and discover Boyle’s, Charles’s and the pressure–temperature law.

~15 min