World Of Elements vs BioLearn

World Of Elements turns chemistry into a game. Explore the periodic table, mix substances in a virtual laboratory and test yourself in mini games. Everything is free, with no ads and no sign-up. LABORATORY • 68 real reactions and 83 substances • Pick up to three substances and a condition: heat, spark, light, catalyst or electricity • An animated flask: flames, bubbles, precipitates, smoke and flashes • Every reaction comes with a balanced equation, what you would see, and a fun fact • Reaction products land on your shelf so you can go further • A discovery journal with three levels and hints EXPERIMENTS • Flame colors: ten elements and a “guess the metal” game • Indicators and pH: lemon juice, soap, baking soda and 13 more liquids, five indicators • Balance the equation: 42 tasks with a live atom counter PERIODIC TABLE • All 118 elements with descriptions, properties and facts • Mark what you have learned and track your progress PUZZLES AND GAMES • 46 molecule-building puzzles, from water to hemoglobin • Quizzes, memory game, sorting and matching • Daily challenges, points and achievements FOR THE WHOLE FAMILY • Several profiles with age groups • Difficulty adapts to age • Ten color themes, light and dark • English and Russian PRIVACY The app collects no data and works offline. Your progress stays on your device. The experiments in the app are a simulation. Do not repeat them at home without adults and protective equipment.

Приложение для самостоятельной дополнительной подготовки к ЕГЭ, ОГЭ и другим экзаменам по биологии. Предлагаются различные задания по всему курсу биологии. Используются различные форматы тестов для развития биологического мышления и выявления слабых тем. Подходит для школьников 9-11 классов, для абитуриентов, поступающих на медицинские специальности.