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Browse flashcards, take quizzes on limited U.S. state trivia
Grades
6–12
Price
Free
Platforms
Android, Kindle Fire
Multimedia lectures and simulations good for supplemental instruction
9–12
Web
Visually arresting puzzle game about saving a tree from parasitic invaders
5–12
Paid
Mac, Windows
Science experiments and activities abound in this comprehensive resource
Social word game has slim learning potential, might build vocab skills
7–12
Android, iPad, iPhone, iPod Touch, Kindle Fire
Ultra-engaging bird-versus-pig action slips in physics concepts
2–12
Free, Free to try, Paid
Demonstrate, investigate, and laugh along with Science Bob
One-stop shop offers lots of links to helpful learning sites
Popular sharing site potentially useful as a classroom photo resource
Free, Paid
