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- As the air molecules inside the balloon are heated up, they expand and inflate the balloon. In contrast, as the air molecules are cooled, they condense and become more compact and deflate the balloon.
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Jun 5, 2014 · Overall, how did the balloon change size when placed in the freezer? What do your results tell you about how gases expand and contract as temperature changes?
In this chemistry science fair project, you'll investigate these changes in average kinetic energy by using a different kind of balloon—a latex balloon, which is able to expand and contract as the force and frequency of the elastic collisions change with temperature.
How Does It Work. This activity shows that air really is matter (has weight; takes up space). What made the balloon get bigger? It’s simply the expansion of air trapped in the bottle and the balloon. Air expands when it is heated; it spreads out and either fills a larger space or raises the pressure in a closed space.
This demonstration shows the effects of a change in atmospheric pressure. The latex balloon rests on a stand in a bell-jar. The balloon expands when the air is removed from the jar by a vacuum pump (Figure 1,2). Figure 1: Latex ballon filled with air.
Nov 22, 2019 · As a weather balloon rises into high altitudes, where air pressure decreases, the helium or hydrogen pressure inside the balloon increases and expands the balloon. This way the balloon and the radiosonde can rise at a consistent pace high into the atmosphere.
We'll start with gases. The idea behind thermal expansion is that gases expand as the temperature increases. If you have a balloon and you heat up the contents, the balloon will get larger. Scientists use the term ideal gas law to describe this activity.
The atoms, ions, or molecules that make up the solid or liquid are very close together. There is no space between the individual particles, so they cannot pack together. The kinetic-molecular theory explains why gases are more compressible than either liquids or solids.
