By William C. Robertson
By means of William C. Robertson, Ph.D. Make earth technological know-how educating a ordinarily sunny event with this best-selling task consultant! easy homes of air and water are in actual fact and appropriately defined and are followed by means of drawings and hands-on actions utilizing on hand fabrics. those suggestions then develop into the root for illustrating climate styles together with the jet flow, typhoon fronts, tornadoes, and hurricanes. 134 pages. Paperback. Grades 3-8.
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Additional resources for Air, Water, & Weather: Stop Faking It! Finally Understanding Science So You Can Teach It
As you let the heating continue, lots of gas molecules escape the can, enough so that, when you remove the can from the source of heat, the air pressure inside the can is significantly lower than the normal outside atmospheric pressure. When you place the can upside down in the water, you seal off the can and the differences in air pressure do their thing. 12. Blow across the top and see what happens. Does the paper do what you expect? 12 Next fold the same piece of paper in half, making a tent, and place it on a table with a smooth surface.
That creates an area of low pressure. 31). Instant air conditioning! Finally, the Bernoulli Effect comes into play when you’re driving in your car. If you’re rolling down the freeway and open a window, be prepared for loose papers and such to head for the open window. The reason is that, with the window open, you have fast moving air just outside the window (low-pressure area because of the Bernoulli Effect) and still air (higher air pressure because the air isn’t moving) inside the car. Things inside the car get pushed to the outside of the car.
In between collisions, always walk in a straight line at a constant speed. Don’t alter your path to avoid or to collide with another molecule. ) with a wall or another molecule, bounce off as if you were a billiard ball hitting another ball or the side of a pool table. 6). 6 Keep your hands to yourself—no groping! This rule is especially important if you do this activity with adolescents and teens! l Once the participants understand the rules, go through the following steps and ask the group and yourself the following questions.
Air, Water, & Weather: Stop Faking It! Finally Understanding Science So You Can Teach It by William C. Robertson