Explore the front and back of a $20 bill through interactive tilting and tapping. Identify security features like watermarks and holograms. Learn about design elements and historical details. Share findings and take notes during the exploration.
by Board of Governors of the Federal Reserve System★ 4.416 ratingsEducationFreeData updated 2026-09-16
Explore 3D science simulations by touching, holding, and interacting with virtual objects. Investigate a smoking volcano, examine a great white shark, explore the solar system, and dissect a frog. Requires a Cube and smartphone or tablet.
Learn subjects like math, science, and literacy through interactive quests and games. Complete challenges, earn rewards, and track progress. Access printable worksheets and watch instructional videos.
Explore ecosystems with interactive maps and trail navigation. View videos and read about native plants, animals, and habitats. Learn about wildlife and environmental conservation through educational content.
The app allows users to explore 18 common electronic circuits and see the effect of parameter modifications. Concepts covered include Ohm's law, filters, and operational amplifiers for students.
Students answer formative assessments with multiple choice, true/false, open-ended questions, and polls. They join classes using a teacher's code without needing accounts. Teachers view real-time responses and class-wide results.
Explore interactive story-driven adventures in various destinations. Customize character interactions and environments. Navigate through airports and locations with drag-and-drop mechanics. Create unique narratives with unlimited creative freedom.
Explore a virtual camping environment with interactive activities like fishing, canoeing, and finding hidden temples. Navigate through a large outdoor area. Watch for bears and collect marshmallows.
Set up balance alerts and customize notification thresholds. Make payments to individuals or businesses. Transfer funds between accounts. Deposit checks via photo capture of front and back. View and save monthly statements.
Lets users collect words with images, definitions, and categories. They can practice spelling, take quizzes, and explore words in a showcase. Progress is tracked for learned words and completed activities. Settings allow customization of activities.
Explore word origins with visual maps showing connections between related terms. View etymological details in written form. Access definitions, transliterations, and audio pronunciations for accurate understanding.
Navigate the outdoor exhibits with voice-guided directions and interactive maps. Locate specific areas like River Otters and Wild Cat Station. Access detailed descriptions and accessibility features for visually-impaired users.
Take a photo of a , mineral, crystal, or gemstone to get instant identification. The uses AI to recognize and provide details about the specimen. View information on properties, formation, and uses.