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Parts-of-speech app best for casual fun outside of classrooms
Grades
3–12
Price
Free
Platforms
Android, iPad, iPhone, iPod Touch
Basic site with vast array of pronunciations from around the world
6–12
Web
Handy online web clipper and notebook holds keys to productivity
Free, Free to try, Paid
PBS show's videos and games help preschoolers with new experiences
Pre-K
Engaging online community for relevant, hands-on science fieldwork
4–12
Brief bursts of physical exercise add classroom fun, build brainpower
Pre-K–6
Versatile game emphasizes vocab-building skills
K–4
iPad, iPhone, iPod Touch
Flexible flash cards prompt students to reflect
5–12
Free, Paid
Android, iPad, iPhone, iPod Touch, Web
Turn kids into budding nanoscientists who explore the tiniest things
2–5
Serious sim about global issues shows struggles of poverty
8–12
Linux, Mac, Windows, Web
Tasty link-sharing site, but watch out for iffy content
9–12
Simple, cute slideshow site good for quick, creative presentations
Good variety of activities, but focus is on surface learning
3–7
From Acadia to Zion, text-heavy app highlights America's best parks
4–7
Quirky "appisodes" mix rock 'n' roll, space, and fun with fractions
1–3
Kindle Fire