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Force, Motion and Energy

Force, Motion and Energy. What is the relationship?. EPISD Middle School Science Standards Based Curriculum 2013-2014. Matter and Energy. Matter is anything that takes up space. Matter can also be changed into energy . Force is a push or pull caused by a transfer of energy.

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Force, Motion and Energy

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  1. Force, Motion and Energy What is the relationship? EPISD Middle School Science Standards Based Curriculum 2013-2014

  2. Matter and Energy Matter is anything that takes up space. Matter can also be changed into energy. Force is a push or pull caused by a transfer of energy. EPISD Middle School Science Standards Based Curriculum 2013-2014

  3. Matter and Energy • Energy is the ability to do work. • Force x Distance = Work Microsoft Clipart EPISD Middle School Science Standards Based Curriculum 2013-2014

  4. Forms of Energy There are 2 forms of energy. Potential and Kinetic • Potential energy is stored energy. • Kinetic energy involves motion. Microsoft Clipart Microsoft Cliparts EPISD Middle School Science Standards Based Curriculum 2013-2014

  5. Potential and Kinetic Energy Consider a roller coaster. • At the top, it has potential energy. The energy is stored just as the energy in the rubber band. It is energy waiting to be used for motion. • As the roller coaster moves toward the bottom, kinetic energy increases along with the roller coaster’s speed. EPISD Middle School Science Standards Based Curriculum 2013-2014

  6. Energy Transfer in a Roller Coaster EPISD Middle School Science Standards Based Curriculum 2013-2014

  7. Potential and Kinetic Energy Now consider a human being • Potential energy is stored in food. • Chemical change produces heat energy. • Food is fuel that gives us energy Microsoft Clipart EPISD Middle School Science Standards Based Curriculum 2013-2014

  8. Energy in Food A calorie is a measure of the amount of energy. In food, energy is measured in thousands of calories or kilocalories. Microsoft Clipart . EPISD Middle School Science Standards Based Curriculum 2013-2014

  9. Transferring Energy in Food • Food is digested and stored in our bodies as potential energy. • This potential energy can be transformed into kinetic energy as our bodies move and exercise. When you exercise, you get hot? What do youthink is happening? EPISD Middle School Science Standards Based Curriculum 2013-2014

  10. The Sun is a Source of Energy The sun’s energy becomes chemical energy and is stored in plants as potential energy. Microsoft Clipart EPISD Middle School Science Standards Based Curriculum 2013-2014

  11. Forces in Living Things Seedling emergence Geotropism Phototropism Turgor pressure EPISD Middle School Science Standards Based Curriculum 2013-2014

  12. Forces in Living Things The force of blood on the walls of arteries is known as blood pressure The human body forces food through the digestive system to absorb nutrients Used for energy to do work. EPISD Middle School Science Standards Based Curriculum 2013-2014

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