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2-1 CIA REVIEW

2-1 CIA REVIEW. Science 8.

karina-robertson
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2-1 CIA REVIEW

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  1. 2-1 CIA REVIEW Science 8

  2. We are learning to: identify different forms of energyWe are looking for: identification of the following:Chemical – energy stored in the bonds of atomsElectrical – energy in moving electronsMechanical – energy in motionThermal – heat energyAcoustic – sound energyNuclear – energy stored in the nucleus of an atomElectromagnetic – visible(radiant), UV rays, microwaves, etc.

  3. We are learning to: describe how an object can have potential and/or kinetic energy • We are looking for: kinetic energy (the energy of an object because of its motion) and potential energy (the energy stored by an object because of its location).

  4. We are learning to: explain the changing relationship between potential and kinetic energy of an object at rest or in motion • We are looking for: As height increases, potential energy increases. As velocity increases, kinetic energy increases

  5. What type of energy is present in a battery? • Chemical Energy • Nuclear Energy • Mechanical Energy • Solar Energy • I need help. I don’t understand.

  6. What type of energy is required to operate this device? • Electrical energy • Chemical Energy • Mechanical Energy • Acoustic Energy • Help!

  7. What is the type of energy present in the sun? • Electrical • Kinetic • Chemical • Nuclear • I don’t know. I need help.

  8. What type of energy is dependent on the height of an object? • Chemical potential • Elastic potential • Gravitational potential • Kinetic • I don’t know. I need help.

  9. We are learning to: explain the law of conservation of energy.We are looking for: how energy can change from one form to another without the loss of overall energyWe are learning to: trace energy transformations in a closed system (i.e., flashlight)We are looking for: the ordering of how one form of energy changes (transforms) to another. (See aforementioned types of energy)

  10. At what point does the swinging pendulum have the most kinetic energy? • A • B • C • D • I don’t understand. I need help!

  11. At what point would the swinging pendulum have the most potential energy? • A • B • C • D • I don’t understand. I need help!

  12. In the simulation, what is the relationship between potential and kinetic energy? • There is no relationship. • As PE increases, KE increases. • As PE increases, KE decreases. • As PE decreases, KE decreases. • I don’t understand. I need help! http://phet.colorado.edu/sims/pendulum-lab/pendulum-lab_en.html

  13. Electricity is produced in a hydroelectric plant when moving water turns a turbine. Which describes this energy transformation from the turning turbine to electricity? a. mechanical energy into electric energy b. nuclear energy into electric energy c. thermal energy into electric energy d. chemical energy into electric energy e. Help! I don’t understand.

  14. Joe Shmoe turns on a flashlight. Which of the following lists the energy transformations in the system? • Electrical  chemical  mechanical  radiant • Chemical  electrical  thermal  mechanical • Nuclear  chemical  electrical • Mechanical  chemical  Electrical  radiant • I don’t understand. I need help!

  15. We are learning to: demonstrate how waves transfer energy.We are looking for: a disturbance or variation that transfers energy from one point to another point in a medium. Transverse waves- wave and medium move in direction that is perpendicular to each other Longitudinal waves- wave and medium move in same direction

  16. A transverse wave….. • Vibrates particles perpendicular to the direction of wave • Vibrates particles parallel to the direction of the wave • Vibrates both parallel and perpendicular to the direction of the wave • Vibrates particles in one direction • Help! I don’t understand.

  17. What type of wave is represented by picture? • Transverse • Longitudinal • Surface • Seismic • Help! I don’t understand.

  18. A wave is a disturbance that transfers • matter. • particles. • energy. • a medium. • Help! I don’t understand.

  19. What do you call the material that a wave travels through? • Plasma • Space • Vacuum • Medium • Help! I don’t understand.

  20. What type of wave is represented by the animation? • Longitudinal • Transverse • Surface • Seismic • Help! I don’t understand.

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