World Of Elements vs Deeper | Ocean Explorer

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.

Dive deeper into the ocean with Deeper, an interactive journey through the hidden world beneath the surface. The ocean covers most of our planet, yet much of its depths remain unexplored. As sunlight fades and pressure increases, an entirely different world begins to emerge—filled with extraordinary creatures, extreme environments, fascinating natural processes, and life forms unlike anything found on land. Deeper helps you explore this world layer by layer, from the sunlit surface to the darkest and deepest parts of the ocean. EXPLORE THE OCEAN Journey through the major ocean depth zones and discover how conditions change as you descend. Learn about the Surface, Twilight Zone, Midnight Zone, Abyssal Zone, and Hadal Zone, and see how light, temperature, pressure, and life transform throughout the descent. DISCOVER MARINE LIFE Meet remarkable creatures adapted to life in the deep. Explore species such as viperfish, black dragonfish, gulper eels, hatchetfish, tripod fish, rattail fish, deep-sea corals, sea cucumbers, sponges, sea stars, and many more. Each species reveals a different strategy for surviving in one of Earth's most extreme environments. UNDERSTAND THE DEEP SEA The deep ocean is more than darkness and unusual animals. Explore the natural processes and phenomena that shape life beneath the surface, including: • Bioluminescence and counter-illumination • Diel vertical migration • The deep scattering layer • Internal waves • Deep ocean currents • Ocean carbon and the biological carbon pump • Cold seeps and seamounts • Deep-sea canyons and ocean trenches • The deep ocean soundscape • Red light and the red-light window • The effects of extreme pressure • Carbon storage in the abyss GO DEEPER Follow the transition from the familiar surface world into environments where sunlight disappears, pressure becomes extreme, and organisms have evolved extraordinary adaptations. Discover why some animals produce their own light, how others become nearly invisible, how marine life survives crushing pressure, and how the deep ocean plays a vital role in Earth's climate and carbon cycle. LEARN THROUGH DISCOVERY Deeper is designed to make ocean science approachable, visual, and engaging. Explore topics at your own pace, discover fascinating facts, and build a better understanding of the interconnected systems that make the deep ocean possible. TEST YOUR KNOWLEDGE Think you know the ocean? Put your knowledge to the test with interactive quizzes and see how much you remember about the creatures, environments, and phenomena you've discovered. FROM THE SURFACE TO THE TRENCHES There is an entire world beneath the waves. Descend through the ocean's layers. Discover the creatures that live there. Understand the forces that shape their environment. The deeper you go, the stranger it gets. Explore the ocean. Discover the deep. Go Deeper.