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How Do You Use Word Walls Effectively?

January 24, 2024 by Ahmed Ali

How Do You Use Word Walls Effectively? How to use word walls. Make words accessible by putting them where every student can see them. They should be written in large black letters using a variety of background colors to distinguish easily confused words. Teachers and students should work together to determine which words should go

Do Sound Waves Travel Through Walls?

January 24, 2024 by David Martineau

Do Sound Waves Travel Through Walls? A wall “invisible” to particular sound waves might be used as a filter or even an audio microscope. Naively, light or sound waves should not be able to pass through holes smaller than their wavelength. But “extraordinary” transmission through walls with subwavelength holes is made possible by various resonant