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Houghton Mifflin Harcourt
Family Time: English Language Development Lessons (Theme 5)
Support English language development with a family-themed unit consisting of a series of lessons designed to get your scholars moving, looking, speaking, writing, and listening. Conversation topics...
Houghton Mifflin Harcourt
Family Time: Extra Support Lessons (Theme 5)
Provide extra support with a unit that follows a teach, blend, guided practice, and practice/apply routine to reinforce reading, grammar, vocabulary, and writing skills. Reading and writing lessons include supporting details,...
NOAA
Noaa: National Weather Service: Jet Stream Online School for Weather: Lightning
The National Weather Service presents this comprehensive site on lightning. Learn how lightning is created, what makes the sound of thunder, and ways to be safe during a storm. Learning lessons, frequently asked questions, and review...
TED Talks
Ted: Ted Ed: The Sonic Boom Problem
Objects that fly faster than the speed of sound create a shock wave accompanied by a thunder-like noise: the sonic boom. These epic sounds can cause distress to people and animals and even damage nearby buildings. Katerina Kaouri details...