Showing 61–80 of 1,000 ranked alternatives.
Angel David Ramirez Batalla
Learn chemistry concepts and test your knowledge
Learn about chemical elements through interactive quizzes on symbols, names, and atomic numbers. Explore applications and extreme facts. Retrieve element details by symbol, name, or number.
ROSAPP LIMITED
Learn radio communication spelling system.
The app teaches the official word spelling system used in aviation and NATO military forces for radio communication. It allows users to code messages for transmission via email, SMS, iMessage, Twitter, and Facebook, with audio message options.
SASOL MIDDLE EAST AND INDIA PROPERTY LTD
Explore the nature of Qatar.
The app allows users to explore the flora, birds, and insects of Qatar. It was developed in partnership with the Friends of the Environment Center (FEC) Qatar.
SRI International
Explore pathways and genomes on the go
Access pathway and genome data for 14,000+ databases including MetaCyc and HumanCyc. View curated EcoCyc data for E. coli K-12 from 36,000+ publications. Search and browse biological pathways, genes, and reactions.
Thanh Hung
Prepare for -900 exams with tests
Study for the Microsoft Azure Fundamentals exam with tests that align with exam objectives. Review questions, track progress, and identify knowledge gaps. Access detailed explanations for answers and manage study sessions.
NASA
Observe weather and share data
Track environmental observations like cloud cover, land cover, and mosquito habitats. Submit data for scientific research. Access educational resources and learn about Earth systems. Share observations with the global community.
Museum of Science and Industry
Explore virtual chemistry with reactions.
The app allows users to explore virtual chemistry with nearly 300 reactions. Users can discover element properties through alternate Periodic Table views and view images and videos of created molecules.
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