Explore an interactive periodic table with element details and properties. Play an educational game hosted by David Pogue. Watch the full program "Hunting the " for in-depth explanations of element behavior and applications.
by Public Broadcasting Service★ 4.1255 ratingsEducationFreeData updated 2026-09-08
Create and save charts with dynamic daily and hourly updates. Generate charts, organize them in a database, and view Luck Pillars in landscape format. Analyze friends and family using intuitive tools for both beginners and experienced users.
Play a narrative-driven game with branching story choices and emotional storytelling. Explore a world influenced by player decisions. Interact with characters through dialogue options. Share feedback and report bugs via email.
Write chemical formulas and names for inorganic and organic compounds. Generate molecular formulas and IUPAC names instantly. View compound properties including structure, molecular weight, density, melting point, and boiling point.
Fundamentals through interactive lessons that simplify complex concepts. Instant explanations clarify answers and reinforce understanding. Track progress with detailed performance reports and review key topics for improvement.
Guide users through a Seder with step-by-step instructions and translations of prayers and songs. Include audio recordings for leading prayers. Features interactive elements to explain Passover meaning. Offers a skit and karaoke songs for singing.
Explore a first-person horror adventure set within a dream. Navigate a world of memories and nightmares to find a small door. Discover multiple endings and uncover the key secret through immersive storytelling and environmental exploration.
Modify block game experiences by adding custom . Browse and install pre-made add-ons. Create new by combining elements. Drag selected items to the screen. Save and share custom creations. Enhance gameplay with expanded content and features.
Quiz users on parsing verbs, nouns, adjectives, and pronouns using New Testament forms. Filter quizzes by frequency and other criteria. Track progress and adjust difficulty based on performance. Export results for review.
The app provides an interactive experience for drummers, featuring original backing tracks and talk downs of each drum part. It includes detailed transcriptions and lead sheets written by David Garibaldi for study.
The app features five chapters with 100 unique levels and 300 collectable lights. Users manipulate the landscape by pulling, swiping, and tapping gadgets to solve puzzles and guide a creature to safety.
Play a 2D RPG where you grow your character through resource management and strategic decisions. Earn rewards in offline mode. Chat with other players. Automatically play for progress. Gather resources via hunting.
Play games to practice counting, addition, and subtraction. Complete missions to test knowledge. Interact with characters for guided learning. Track progress through levels and challenges.