Worksheet about the Kinetic and Potential Energy, Quizzes of Environmental science

Download Worksheet about the Kinetic and Potential Energy and more Quizzes Environmental science in PDF only on Docsity! Schools Division Office RAMON MAGSAYSAY HIGH SCHOOL Espana, Manila Telefax: (02) 731-3225 Name: _____________________________________ Grade and Section: _______________ Teacher: ___________________________________ Date: ____________________ Power Play: Unleashing the Dynamic Duo of Potential and Kinetic Energy Objectives:  Differentiate potential energy from kinetic energy.  Calculate problems involving potential and kinetic energy. Big Idea: Potential Energy  It is a stored energy in an object.  This energy is due to the object’s form, shape, and position.  It depends on both mass and height.  The greater the mass of an object, the more potential energy it has.  The higher the object, the more potential energy. Formula PEgrav= mgh where: PEgrav= Potential Gravitational Energy (J or kg*m2/s2) m= mass (kg) g= gravitational potential energy (m/s2) h= height (m) PEelas= ½ kx2 where: PEelas= Potential Elastic Energy (J or kg*m2/s2) k= spring constant x= compression or extension length Kinetic Energy  It is the energy of an object due to its motion.  It depends on both mass and velocity.  The faster the object moves, the more kinetic energy it has.  The greater the mass of moving objects, the more kinetic energy it has. Formula KE= ½ mv2 where: KE= Kinetic energy (J or kg*m2/s2) m= mass (kg) v= velocity (m/s2) I. Write PE if the statement refers to Potential Energy and KE if the statement refers to Kinetic Energy. 1. An archer with his bow down 6. The wind blowing through your hair. 2. A volleyball player spiking a ball 7. A baseball was thrown to second base. 3. Walking down street 8. A bowling ball running down the alley. 4. The chemical bonds in sugar 9. A bowling ball sitting on the rack. 5. Sitting on the top of a tree 10. A bicyclist pedaling up the hill. II. Read the following riddles and identify the form of energy that is being described. Choose your answer on the word pool below. 1. Run, drive, move like the wind. I’m there in your motion whether fast or just slow. Although when you stop, I’ll leave you alone. 2. Ouch! That burns! Touching me will result in a shout. I may have an oven or the sun. Either way, getting burned is no fun! 3. When I’m with you you’re all pumped up. When you eat food, I am there to make you move! 4. Sometimes I can be heard, maybe quietly or loudly. Examples of me are the bark of a dog or the roar of a lion who’s proud. 5. You see me only when you go high. Up a tree, on the roof, on top of a building. But then you’ll lose me as you get close to the ground. 6. Sometimes you get me from the wall. Maybe you see me in lightning. Either way, don’t get too close or you’ll fall. 7. I give off the light that you can see. The sun and light bulb are examples of me. III. Potential Vs. Kinetic Energy This graph shows a ball rolling from A to G. 1.Which letter shows the ball when it has the maximum kinetic energy? 2.Which letter shows the ball when it has the maximum potential energy? 3.Which letter shows the ball when it has the least potential energy? 4.Which letter shows the ball when it has the least kinetic energy? 5.Which letter shows the ball when it has just a little more kinetic energy than A? 6.Which letter shows the ball when it has just a little more potential energy than Word Pool Sound Energy Heat Energy Kinetic Energy Light Energy Electrical Energy Radiant Energy Gravitational Potential Energy Chemical Energy Wave