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Forms of Energy Forms of Energy Presentation Transcript

  • SC Standard 6-5.1 Forms of EnergyCrossroads Middle School
  • Energy SC Standard 6-5.1 Energy is the ability to cause change in an object. • The change can involve either the motion or the position of an object or its particles. • Energy can exist in many different forms. forms •We will focus on five types of energy this year. Heat Solar Chemical Electrical MechanicalCan you guess what kind of energy each picture represents?
  • Thermal Energy SC Standard 6-5.1- All matter is made up of particles too small to be seen. These particles are always moving.- Thermal energy is the energy of the motion of these particles. Since all matter has particles that move, all matter has thermal energy.
  • Heat Energy SC Standard 6-5.1 - Heat energy is the transfer of thermal energyWhen they touch The yellow boxthermal energy Heat has more thermaltransfers from42°C 32°C 33°C 34°C 35°C 36°C 37°C 38°C 39°C 40°C 41°C 42°C 32°C 31°C 30°C 29°C 28°C 27°C 26°C 25°C 24°C 23°C 22°C energy than the Heatyellow to blue blue box
  • Heat Energy SC Standard 6-5.1Heat Energy (continued) - As heat is added to a substance, the particles move faster and the temperature goes up. - The faster the particles move, the higher the temperature. water ice steam - Sources of heat energy: the Sun, electricity, or any Sun electricity material that is burning (wood, candle wax, coal).
  • Thermal Energy and Heat SC Standard 6-5.1Thermal Energy and Heat a. All matter is made up of particles too small to be seen. These particles are always moving. b. Thermal energy is the energy of the motion of these particles. All matter has thermal energy because all matter is made of particles that move. c. Heat energy is the transfer of thermal energy. d. As heat is added to a substance, the particles move Heat faster and the temperature goes up. e. The faster the particles move, the higher the temperature. f. Sources of heat energy: the Sun, electricity, or any material that is burning (wood, candle wax, coal).Click the boxes below to select the statements that are true. The particles in ice do not move, The particles in ice do not move, The particles in ice move quickly, since ice is very cold. since ice is a solid. since ice is very cold. The particles in ice move slowly, Particles in the Sun move quickly Particles in the Sun move slowly since ice is very cold. because the Sun is very hot. because the Sun is in space. Done
  • Solar Energy SC Standard 6-5.1- Solar Energy is energy from the Sun, which provides heat and light energy for Earth.- Solar cells can be used to convert solar energy into electrical energy.
  • Solar Energy SC Standard 6-5.1- Green plants use solar energy during photosynthesis to produce sugar, which contains stored chemical energy.- Most of the energy we use on Earth originally came from the Sun. Sun
  • Solar Energy SC Standard 6-5.1What do you feel when you Sun Plants Food Yourub your hands together? You get energy from eatingCan you trace this thermal food that got energy fromenergy back to the Sun? the Sun.
  • Solar Energy SC Standard 6-5.1Solar Energy a. Solar energy energy from the Sun, which provides heat and light energy for Earth. b. Solar cells an be used to convert solar energy to electrical energy. c. Green plants use solar energy during photosynthesis to produce sugar, which contains stored chemical energy. d. Most of the energy we use on Earth originally came Solar from the Sun.Which of the following use photosynthesis to turn solar energy intochemical energy? trees bears solar cells grass cactus people Done
  • SC Standard 6-5.12. Solar Energy a. Solar energy is energy from the Sun, which provides heat and light energy for Earth. b. Solar cells an be used to convert solar energy to electrical energy. c. Green plants use solar energy during photosynthesis to produce sugar, which contains stored chemical energy. d. Most of the energy we use on Earth originally came Solar from the Sun.Click the boxes below to select the statements that are true.Solar cells convert solar energy into The Sun provides heat energy and Sugar contains chemical energy heat. light energy for the Earth.Most of the Suns energy is used on The energy you get from eating food Green animals use photosynthesis Earth. came from the Sun. to make sugar. Done
  • Chemical Energy SC Standard 6-5.1 - Chemical energy is energy stored in particles of matter. - Chemical energy can be released when these particles react to form new substances. - Sources of chemical energy: batteries, food, or fuel. batteriesWe do not usually see the effects of chemical energy until it isreleased and transforms. What forms of energy does chemicalenergy transform into below?Electrical Heat, Light Chemical Energy in and Sound your muscles (or fat)
  • Electrical Energy SC Standard 6-5.1 - Electrical energy is the energy flowing in an electric circuit. circuit - Sources of electrical energy include: i. Stored chemical energy in batteries ii. Solar energy in solar cells iii.Fuel or hydroelectric energy in generators. These are pictures of different ways we can produce electricity. They all require magnets except one.Hydroelectric Solar Fossil Fuels Nuclear Wind
  • Chemical and Electric Energy SC Standard 6-5.1Chemical Energy a. Chemical energy is energy stored in particles of matter. b. Chemical energy can be released, for example in batteries or food, when these particles react to form new substances. ChemicalElectrical Energy a. Electrical energy is the energy flowing in an electric circuit. b. Sources of electrical energy include: i. Stored chemical energy in batteries Electrical ii. Solar energy in solar cells iii. Fuel or hydroelectric energy in generators.Click the boxes below to select the statements that are true. Solar Cells and hydroelectric Chemical energy is energy that Electrical energy is energy that generators produce electricity. flows in a circuit. flows in a circuit. When chemical energy is released, Chemical energy is stored in Electrical energy is stored energy. new substances are formed. particles of matter. Done
  • Mechanical Energy SC Standard 6-5.1- Mechanical energy comes in two forms. o the motion of an object (kinetic energy) o the position of an object (potential energy)
  • Mechanical Kinetic Energy SC Standard 6-5.1- Mechanical kinetic energy is the energy an object has due to its motion. motion- A moving car has kinetic energy.- If a car moves faster, it has more kinetic faster energy.
  • Mechanical Potential Energy SC Standard 6-5.1- Mechanical potential energy is stored energy related to the position of an object.- A stretched rubber band has potential energy because it will move when let go.- Water behind a dam has potential energy because it can fall down the dam.
  • Mechanical Energy SC Standard 6-5.1Mechanical energy can be kinetic or potential. a. Mechanical potential energy is stored energy related to the position of an object. A stretched rubber band has potential energy because it will move when let go. Water behind a dam has potential energy because it can fall down the dam. b. Mechanical kinetic energy is the energy an object has due to its motion. Kinetic energy increases as an object Mechanical moves faster. A moving car has kinetic energy. If a car moves faster, it has more kinetic energy.Which ball has the most kinetic energy? RED BLUE YELLOW BLACK Done
  • Mechanical Energy SC Standard 6-5.1Mechanical energy can be kinetic or potential. a. Mechanical potential energy is stored energy related to the position of an object. A stretched rubber band has potential energy because it will move when let go. Water behind a dam has potential energy because it can fall down the dam. b. Mechanical kinetic energy is the energy an object has due to its motion. Kinetic energy increases as an object Mechanical moves faster. A moving car has kinetic energy. If a car moves faster, it has more kinetic energy.Which ball has the least kinetic energy? RED BLUE YELLOW BLACK Done
  • Mechanical Energy SC Standard 6-5.1Mechanical energy can be kinetic or potential. a. Mechanical potential energy is stored energy related to the position of an object. A stretched rubber band has potential energy because it will move when let go. Water behind a dam has potential energy because it can fall down the dam. b. Mechanical kinetic energy is the energy an object has due to its motion. Kinetic energy increases as an object Mechanical moves faster. A moving car has kinetic energy. If a car moves faster, it has more kinetic energy.Which ball has the least amount of mechanical energy? RED BLUE YELLOW BLACK Done
  • Mechanical Energy SC Standard 6-5.1Mechanical energy can be kinetic or potential. a. Mechanical potential energy is stored energy related to the position of an object. A stretched rubber band has potential energy because it will move when let go. Water behind a dam has potential energy because it can fall down the dam. b. Mechanical kinetic energy is the energy an object has due to its motion. Kinetic energy increases as an object Mechanical moves faster. A moving car has kinetic energy. If a car moves faster, it has more kinetic energy.Why doesn’t the black ball have mechanical energy? It is moving It is not moving It is off of the ground It is on the ground Done
  • Mechanical Energy SC Standard 6-5.1Mechanical energy can be kinetic or potential. a. Mechanical potential energy is stored energy related to the position of an object. A stretched rubber band has potential energy because it will move when let go. Water behind a dam has potential energy because it can fall down the dam. b. Mechanical kinetic energy is the energy an object has due to its motion. Kinetic energy increases as an object Mechanical moves faster. A moving car has kinetic energy. If a car moves faster, it has more kinetic energy.Which balls below have kinetic energy? RED BLUE YELLOW BLACK Done
  • Mechanical Energy SC Standard 6-5.1Mechanical energy can be kinetic or potential. a. Mechanical potential energy is stored energy related to the position of an object. A stretched rubber band has potential energy because it will move when let go. Water behind a dam has potential energy because it can fall down the dam. b. Mechanical kinetic energy is the energy an object has due to its motion. Kinetic energy increases as an object Mechanical moves faster. A moving car has kinetic energy. If a car moves faster, it has more kinetic energy.Why do the blue and yellow balls have kinetic energy? They are moving They are not moving They are off of the ground They are on the ground Done
  • Mechanical Energy SC Standard 6-5.1Mechanical energy can be kinetic or potential. a. Mechanical potential energy is stored energy related to the position of an object. A stretched rubber band has potential energy because it will move when let go. Water behind a dam has potential energy because it can fall down the dam. b. Mechanical kinetic energy is the energy an object has due to its motion. Kinetic energy increases as an object Mechanical moves faster. A moving car has kinetic energy. If a car moves faster, it has more kinetic energy.Which balls below have potential energy? RED BLUE YELLOW BLACK Done
  • Mechanical Energy SC Standard 6-5.1Mechanical energy can be kinetic or potential. a. Mechanical potential energy is stored energy related to the position of an object. A stretched rubber band has potential energy because it will move when let go. Water behind a dam has potential energy because it can fall down the dam. b. Mechanical kinetic energy is the energy an object has due to its motion. Kinetic energy increases as an object Mechanical moves faster. A moving car has kinetic energy. If a car moves faster, it has more kinetic energy.Why do the red and yellow balls have potential energy? They are moving They are not moving They are off of the ground They are on the ground Done