Explore interactive simulations for and engineering concepts. Practice experiments safely with instant feedback. Repeat tasks without real-world risks. Track progress and review mistakes. Share results with instructors.
by McGraw-Hill School Education Group★ 4.411 ratingsEducationFreeData updated 2026-09-16
Practice multiplication, track progress, challenge friends
Practice multiplication with adaptive difficulty that adjusts based on skill level. Choose from 5 colored backgrounds. Compete with friends and track progress globally. Answer multiple-choice questions with smart generated options.
Practice language skills through real-time conversations with an AI partner. vocabulary via interactive games tailored to skill levels. Receive personalized lessons and feedback to improve speaking and comprehension.
HELLOTALK FOREIGN LANGUAGE EXCHANGE LEARNING TALK CHAT APP
Chat with natives to practice languages
Practice languages with native speakers through text and voice chats. Join live sessions and voice rooms for interactive practice. Learn vocabulary, grammar, and cultural insights. Receive feedback and track progress over time.
World offers interactive for toddlers and preschoolers aged 2-6+. Users can explore activities that teach letters, numbers, shapes, and colors. Features include drag-and-drop puzzles, memory , and storytelling.
Students can practice over 15,000 skills across various subjects. The provides personalized learning paths based on individual performance. Users can track progress, receive instant feedback, and complete interactive exercises.
Learn about the and universe through interactive animations and step-by-step lessons on topics like the Big Bang, black holes, and planetary systems. Explore the solar system with visual content and discover facts about water coverage.
Study for the US Test with authentic questions and audio. Practice both 100-question and 128-question formats. Review official USCIS materials and track progress. Access study guides and test simulations. Prepare for the reading and writing sections.
American with video lessons created by Deaf instructors. Practice vocabulary and grammar through 600+ bite-sized lessons. Match signs to images and receive instant feedback. Track progress and set daily practice goals.
Solve problems by snapping photos. Recognize equations instantly. Get instant and detailed explanations. Access interactive quizzes and practice exercises. Track progress and review solutions.
The app provides flashcards, quizzes, and audio recordings for language learning. Users can check progress, practice pronunciation, and study vocabulary, grammar, and verbs from supported books.
The app offers offline AI voice recognition for instant pronunciation feedback. It features 8,000 real-world phrases and native speaker models for practice.
Programming through interactive lessons and hands-on practice in languages like Python, JavaScript, and Java. Complete coding challenges, track progress, and access a community for support and collaboration.
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And with interactive tracing exercises using colorful chalk animations. Practice handwriting and phonics through guided activities. Complete worksheets and receive instant feedback. Track progress and repeat lessons for reinforcement.
University of California, Berkeley's Lawrence Hall of Science
Explore lakes through hands-on activities
Explore freshwater ecosystems through hands-on activities. Learn about lakes and ecosystems with step-by-step guides. Conduct experiments using common materials. Track observations and compare results. Share findings with others.
Learn and practice languages with AI-driven conversation exercises. Engage in real-time dialogues, receive instant feedback, and track progress. Set personal goals and access structured lessons tailored to individual needs.
Look up definitions of , , and expressions with examples and historical context. Search for terms, view detailed explanations, and explore related phrases and origins.
Access offline dictionaries and thesauruses in English and 13 other languages. Translate English to over 40 languages offline. Includes dozens of additional offline translation options. No ads.
Explore through bite-sized lessons on 20+ topics, including animals and space. Take fun quizzes to test knowledge and track progress. View 3D animations and interact with models to explore concepts in detail.