ACTIVITY #3<br />Solid, Liquid and Gas<br />hree states of matter are solid, liquid, and gas. The molecules of a solid are close<br />together and moving slowly or not at all. If you add energy, the molecules begin to<br />move faster and further apart. This change in energy causes a change in the phase on<br />matter to liquid. Add a little more energy, and the molecules dance excitedly, Spacing<br />themselves even farther apart. The matter changes to a gas.<br />SCIENCE 8<br />"Directions: Study the three phases of matter using balloons. Write your observations<br />Fill balloon 1 with a gas. You can fill the balloon with air from your lungs, an air pump or<br />water vapor (heat up liquid water, as water vapor forms the balloon will fill with the gas.)<br />What shape is the balloon? What do you think has happened?<br />Fill balloon 2 with a liquid. You can fill the balloon with water or another liquid. What shape<br />is the balloon? Why the balloon has this shape?<br />liquid<br />Fill balloon 3 with a liquid. You can fill the balloon with water and then freeze the balloon.<br />What will be the shape of the balloon with solid in it? Why the shape of this balloon is<br />different than the other shapes?<br />Solid
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