harmful to humans and live plants used to preserving commercial canned foods and removing ice from roadways Conclusion The purpose of my paper is to gain an understanding of water‚ how and why ice melts differently with table salt‚ sea salt‚ sand and calcium. RESEARCH REPORTIntroductionWater is a liquid that freezes and also melts at 32*F (0*C). Melting and freezing points are temperatures when a solid substance turns to a liquid. Liquid is a
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3 EXPOSITORY ESSAY - SCIENCE FAIR PROJECT- Student details: Name: Kwanchanok Pinthong Class: M.3/16 Number: 3 Weebly ID: 31669.weebly.com Mobile number: 0876133278 Email: kwanchanok_naruk@hotmail.com Published file name: science project-will it sink or float? Table of Contents 1. TABLE OF CONTENTS 2. FORMATIVE REQUIREMENTS COVER
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Materials * Page#5: Procedure * Page#6: Results * Page#7: Conclusion * Page#8: Bibliography Where is your money going? Did you know over a million dollars go to waste from buying a ton of batteries that barely work. For my science fair project I am going to test the 4 most popular brands of batteries in America‚ Duracell‚ Energizer‚ Rayovac‚ and a Alkaline battery named Enercell. The problem is that big battery brands run out quick and you feel like a fool‚ because you fell for their
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The problem of the ice melting The melting of polar ice is primarily caused by the increasing amount of gas emissions‚ mainly CO2 rising into the atmosphere (global warming) Global warming is the rise in the average temperature of Earth ’s atmosphere and oceans. Since the early 20th century‚ Earth ’s mean surface temperature has increased by about 0.8 °C. Scientists are more than 90% sure that it is caused by rising amount of concentrations of greenhouse gases‚ which are produced by human activities
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is commonly used to melt ice. This also works in reverse. Salt can be used to raise the boiling point of water. One reason you would want to raise the boiling point of water is to be able to cook at higher temperatures as Lori Alden states. It is well known that salt can be used to change the boiling and freezing point of water
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Melting Ice Caps The Arctic is global warming’s canary in the coal mine. It is a highly sensitive area which is profoundly affected by the changing climate. The average temperature in the Arctic is rising twice as fast as elsewhere in the world (nrdc.org). Because of this‚ the ice cap is getting thinner‚ melting away‚ and rupturing. Here is an example of this; the largest ice block in the Arctic‚ the Ward Hunt Ice Shelf‚ had been around for 3000 years before it started cracking in 2000 (nrdc
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8. a) The melting of the ice sheet in greenland may bring opportunities for people and communities rather than a negative threat. One advantage of of the melting ice sheet may be that it brings in a better income for people. Melting ice sheets means that more land is being uncovered exposing expensive rocks and riches such as zinc and lead. The reveal of land and rock means that people and communities are able to mine this will give people a better income and lifestyle. Mining can be done in all
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This science fair project is designed to show how dogs heart rates increase with exercise and activities. Loads of people were wondering if older dogs’‚ or younger dogs’ heart rates would go up more when exercised. Well‚ we can show you! The hypothesis is that hopefully the younger dogs heart rate won’t go up as much as the older dogs’ heart rate. This science fair project is relevant due to people needing to recognize how to exercise their dogs according to what they can and can’t do age wise
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I am Jessica Bogde and the title of my project is‚ “The Catapult.” I chose to do this project because in the fourth grade‚ one of my peers inspired me to build a catapult because she built it as her Science Fair Project. I also wanted to do this project because I love building things and this project just added to my experience in building things. I chose to work alone on this project because I work faster when I am independent because other people mess around sometimes. I also chose to do this
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SCIENCE FAIR PROJECT TOPICS 1. From Gene to Genetics: What Kinds of Mutations Matter? 2. Don’t Get burned! Measure the UV Index at different times of the day. 3. Sound Locations 4. Measuring Sugar Content of a Liquid with a Laser Pointer. 5. How does the Color Affect Heating by the Absorption of Light? 6. Roller Coaster Marbles: How much Height to Loop the Loop? 7. Surface Tensions of Water 8. Effect of Propeller Size on Thrust Produced 9. How
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