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At first, you may think the particles are the result of pollution. While much of the particulate matter in the atmosphere is the result of humans polluting the air, there are also natural sources of particles. Wind-…
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This chapter is based on one of the theoretical problems given at the XXIV International Physics Olympiad. It is an actual application of physics to a real-world situation based on Gauss’s law—one of the most…
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In this lesson, students will explore the relationship between tropospheric ozone and temperature and how human populations affect ozone levels. Disciplinary core ideas covered are weather and climate and human impacts…
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Gravity pulls the air molecules toward the ground, and the molecules push on the ground. This pushing is called air pressure or atmospheric pressure. In this chapter’s experiments, students will learn about air pressure…
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In this chapter, the objective of the activity “Moving Air” is to experience air’s mass and the force it can exert on objects. Chapters 1 and 2 are also included in this book selection. Chapter 1 focuses on science…
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This activity is for testing how different speeds of wind make objects move. In the activity, students hold their streamers in front of an electric fan. By changing the speed of the fan, have the students describe and…
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The guiding question for this activity is,“How can air be used to move something?” Large air cannons can be made or purchased for students to experiment with while waiting to create ones of their own. An explanation of…
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This chapter features Physical sciences StEMT lessons. As humans, we live in a sea of air to the point that we forget the air is there. The lesson brings in some of our favorite hands-on activities. It starts with the…
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The purpose of the assessment probe, in this chapter, is to elicit children’s ideas about needs of living things. The probe is designed to find out if students recognize that all animals need air to live, including…
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All of the scenarios presented in this chapter have similar solutions. The trajectory of any object can be analyzed (without air resistance) by recognizing that the horizontal and vertical motions are independent of one…
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Friction is very common and experienced every day. It is a force that pushes on things and that you notice when two objects’ surfaces are in contact with each other. Air resistance is a force that occurs because moving…
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Journal Article |
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