![]() ![]() Because of this, engineers work to solve our air pollution problems. When air moves, it has great power (to push sailboats, drive windmills and move clouds), and when it is compressed (squashed into a small space), it has great strength (air in a tire supports a vehicle and helps a helicopter to rise into the air). However, you can feel air when it moves and you can see the effects of air on your surroundings. Air does not usually smell (but it does carry substances that we do smell). Most of the time, we hardly notice the air around us. ![]() International Technology and Engineering Educators Association - TechnologyĪir - Is It Really There? Worksheet Answers Visit [ to print or download. Natural objects exist from the very small to the immensely large. A model showing that gases are made from matter particles that are too small to see and are moving freely around in space can explain many observations, including the inflation and shape of a balloon and the effects of air on larger particles or objects. Matter of any type can be subdivided into particles that are too small to see, but even then the matter still exists and can be detected by other means. This activity focuses on the following Three Dimensional Learning aspects of NGSS:Īlignment agreement: Thanks for your feedback! Develop a model to describe that matter is made of particles too small to be seen.Ĭlick to view other curriculum aligned to this Performance Expectation ![]()
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