water temperature affect how fast the balloon fills up. * To know if the size of the bottle affect how much the balloon fills. * To know if the amount the balloon fills-up can be controlled by the amount of vinegar or baking soda. Materials: * 1 small empty plastic soda or water bottle * ½ cup of vinegar * Small balloon * Baking soda * Funnel or piece of paper Hypothesis: * Yes‚ the higher the temperature‚ the faster the balloon fills up. * Yes‚ when the bottle
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® keep it simple science Copying is permitted according to the Site Licence Conditions only Preliminary Physics Topic 4 THE COSMIC ENGINE What is this topic about? To keep it as simple as possible‚ (K.I.S.S.) this topic involves the study of: 1. THE HISTORY OF OUR UNDERSTANDING OF THE UNIVERSE 2. HOW THE UNIVERSE BEGAN (THE "BIG BANG" THEORY) 3. LIFE-CYCLES OF THE STARS 4. ENERGY FROM THE SUN‚ & ITS EFFECTS ON US but first‚ let’s revise... The Structure of the Universe The EARTH
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the sun consumes most of its core hydrogen‚ a hydrogen rich central region remains. The star once again begins to collapse under gravity‚ and internal temperature is rise again. Hydrogen burning begins in shells outside the core while the cores helium may also combined in nuclear fusion reactions to form Carbon. These new nuclear processes may cause a star like the sun to expand briefly and become a red giant‚ a star is relatively cool outer layers glow red. Eventually however nuclear fuel
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TABLE OF CONTENT Abstract…………………………………………………………………………2 Introduction…………………………………………………………………….3 Objectives……………………………………………………………………....4 Theory…………………………………………………………………………..4 Apparatus and materials…………………………………………………………5 Technique/method……………………………………………………………….5 Procedures……………………………………………………………………….6 Results…………………………………………………………………………...7 Calculations……………………………………………………………………...9 Discussions………………………………………………………………………10 Conclusions……………………………………………………………………...11 Recommendations………………………………………………………………
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Determine the electrical force of attraction between two balloons that are charged with the opposite type of charge but the same quantity of charge. The charge on the balloons is 1.2 x 10-8 C and they are separated by a distance of 0.40 m. 2. Determine the electrical force of attraction between two balloons that are charged with the opposite type of charge but the same quantity of charge. The charge on the balloons is 6.5 x 10-7 C and they are separated by a distance of
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the valve to let hydrogen out of the balloon‚ and the goniometer that could be used to measure the angles of crystals. Charles will probably be best remembered for his hydrogen balloon flying and for his work with gases that became known
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hydrogen‚ 15.2 percent helium‚ 2.3 percent methane. Revolution The orbit of Uranus takes 84.3 year to complete one revolution around the Sun. In other words‚ 1 Uranian year is 84.3 Earth years. Special feauture Description Uranus was the first planet to be discovered in modern history. It was actually discovered by accident in 1781 by William Herschel. Like the other gas giants‚ Uranus has a very thick cloud cover and an atmosphere made up mostly of hydrogen‚ helium‚ methane‚ and ammonia.
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Materials: -Alka-Seltzer tablet -Balance (Grams) -Balloon -Flask (125 mL) -Water -File -Forceps -Massing tray Procedure: 1. Mass the Alka-Seltzer tablet then put the flask on the scale to record the mass‚ and zero the scale. 2. Add 50 mL of water to the flask and record the mass. Subtract the mass of the flask from the mass of the water in the flask to find the total mass of the water. Next mass the balloon. Add together the mass of the water and tablet 3. Break
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partial vacuumed bottle. This also states some properties of air‚ as explained by the demonstrators. Being specific‚ the densities of air are one of the main subjects of this report‚ showing that the heat being applied may affect the structure of the balloon. ii. Acknowledgement The
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activity. II. One student in each group will be directed to: - Cut the opening of a small balloon and pull it over one end of a drinking straw. - Use tape to attach the balloon to the straw. III. The scissors are to be passed to another student in the group and directed to: -Cut the end of the water bottle. -Cut the neck off a large balloon. Have someone hold the plastic bottle. Then stretch the balloon over the cut end of the bottle. IV. The last student in the group will be directed to:
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