SKILL BUILDER 2



When selecting an energy source for heating a home , consumers try to think about cost. use proportions to determine the area of the solar collector needed to heat a home
collector area (ft2) 400 800 1200 1600 2000 2400
living space (ft2) 1200 2400 3600 4800 6000 7200









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SKILL BUILDER 3

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 Divide the folowing list of reactions int two groups by classifying each reaction as endothermic or exothermic: burning wood, striking a match to ligth it , baking bread, and  exploding dynamite. Explain why you placed each  reaction into one groups . If you need help, refer  to classifyng in the skill handbook on page 753 
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My Science Blog

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SCIENCE     Is the set of knowledge that is organized in a systematic way obtained from observation, experimentation and reasoning within specific areas. It is through this accumulation of knowledge that hypotheses, questions, schemas, laws and principles are generated ENERGY Energy in the world  I learn about energy that energy  is the ablity to do work , when you eat the body  breaks down the food and give you energy to work and play or  when yo recieve sun energy in the form of heat and ligth. Kenitc energy and Potencial energy are the main forms of energy . Kinetic energy is the energy that is in motion and potencial energy   is the energy that stored inside the object . Energy cannot be destroyed  not created but can be transform one form of enrgy to another . If  an object is kenetic and potencial is  mechanical energy. Are different types of energy: chemical energy, electrically energy and gravitational ...
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