Chemical Reactions

9 interactive Integrated Science simulations on chemical reactions.

Acids, bases and indicators – titration drop by drop Integrated Science · Chemical Reactions A beaker holds an acid or base solution with an indicator already added (litmus, phenolphthalein, or universal pH... Ages 13–14
Acid–base indicators – litmus, phenolphthalein, red cabbage, universal indicator Integrated Science · Chemical Reactions Nine test tubes contain lemon juice, vinegar, HCl, distilled water, salt water, soapy water, baking soda, NaOH and... Ages 13–14
Reactants, products and leftovers – sandwiches and molecules Integrated Science · Chemical Reactions Use the sliders to set the number of ingredients (sandwiches) or reactant molecules (making water, making ammonia,... Ages 13–14
Limestone kiln – calcination and the carbon cycle Integrated Science · Chemical Reactions Load limestone into the kiln and adjust the kiln temperature: below about 825 °C the reaction barely proceeds, but... Ages 14–15
Metal reactivity series – dropping metal into solution Integrated Science · Chemical Reactions Choose a metal from the reactivity (activity) series — K, Na, Ca, Mg, Al, Zn, Fe, Pb, H, Cu, Ag, Au — and a... Ages 14–15
Making a salt – copper sulfate crystals from an insoluble base and acid Integrated Science · Chemical Reactions Carry out the soluble-salt preparation step by step: warm dilute acid (H₂SO₄ or HCl), add an insoluble base (CuO,... Ages 13–14
Alcoholic and Acetic Fermentation – Esterification Integrated Science · Chemical Reactions A fermentation vessel holds a glucose solution: switch on the yeast and CO₂ bubbles rise as the ethanol level climbs... Ages 14–15
3D Alkane and alkene molecules – 3D ball-and-stick models Integrated Science · Chemical Reactions Ball-and-stick models of methane CH₄, ethane C₂H₆, propane C₃H₈ and ethylene C₂H₄ spin freely in space; drag to... Ages 14–15
Four Groups of Biological Molecules: Monomers, Chains and Identification Tests Integrated Science · Chemical Reactions Choose a group of substances and watch monomers link together into a long chain: glucose molecules join to form... Ages 14–15