The sound wave actually moves the tiny particles, or molecules, that make up the solid. So when sound travels through a solid, it travels the same way as it does through air: in a sound wave. Refer to the slinky example in the associated lesson if more explanation is required.) (The answer is yes, tiny parts of the desk are moving with the sound wave. If you can hear a sound through your desk, does that mean your desk is moving? Take one minute to discuss with the people around you what is happening. Make sure they recognize that the sounds are louder with their ears to the desks.) Is there a difference? (Have a few students comment, one at a time.
Now sit up and again scratch the desk surface. Have you ever noticed that you can hear sounds through solids? Everyone put your ear to you desk and scratch the surface with your fingernail. This activity works well accompanying a science unit on sound or waves. Students should be familiar with sound being described as a wave. International Technology and Engineering Educators Association - Technology Tests are often designed to identify failure points or difficulties, which suggest the elements of the design that need to be improved.Īlignment agreement: Thanks for your feedback! Different solutions need to be tested in order to determine which of them best solves the problem, given the criteria and the constraints. Plan and conduct an investigation collaboratively to produce data to serve as the basis for evidence, using fair tests in which variables are controlled and the number of trials considered.Īlignment agreement: Thanks for your feedback! This activity focuses on the following Three Dimensional Learning aspects of NGSS:
Plan and carry out fair tests in which variables are controlled and failure points are considered to identify aspects of a model or prototype that can be improved.Ĭlick to view other curriculum aligned to this Performance Expectation Tigmi Trading designs rug collection that takes cues from. Monto Sit Stand Riser gives option to work standing or.
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Graduate designer Daniel Rawlings has created a series of vases by heat-shrinking plastic tubing around broken crockery. More Emilie Chalcraft |ĭesigners Studioroom906 have created a set of five porcelain containers that have different shapes but can all contain 150ml. More Emilie Chalcraft |įrench designer Patrick Norguet has designed a reusable cup for McDonald's that makes scalding hot coffee easier to hold. Milan 2013: this silver serving set for tea and cake was designed by Dutch studio Scholten & Baijings for Danish silverware and jewellery company Georg Jensen and launched at Spazio Rossana Orlandi last week. Tea with Georg by Scholten & Baijings for Georg Jensen.Japanese designer Kazuya Koike has used a fragrant Japanese wood to carve a set of sake cups that fit onto carafes as caps. Kazuya Koike crafts simple sake cups from Japanese cedar.Most Loved: next up in our exclusive video series, Dutch designer Richard Hutten tells the story behind his colourful children's cup with oversized ears for handles. Richard Hutten's Dombo mug "makes people happy when they see it".Max Lamb creates range of tableware from black basaltĮach of the pieces in this basalt tableware range by British designer Max Lamb has been cast from a hand-carved mould.Space Cup lets astronauts drink coffee in low gravityĪ team of researchers at Portland State University has developed a coffee cup that gives astronauts in space an earth-like drinking experience by driving liquid towards the mouth.