P1

• Open & Closed system

  Open = e.g. cup

  Closed = e.g. thermos

  A) heat and matter can enter and leave

  B) heat and matter can not enter and leave

  
• Energy Stores

  A) thermal

  B) chemical

  C) kinetic

  D) gravitational potential

  E) elastic potential

  F) nuclear

  G) magnetic

  H) electrostatic

  
• Energy is measured in JOULES
• CONSERVATION OF ENERGY


  energy can NOT be created or destroyed, only transferred
• Energy Transfers

  A) mechanically

  B) by heating

  C) electrically

  D) by radiation

  
• Person throwing ball up

  A) chemical

  B) kinetic

  C) mechanically

  
• Person Throwing a Ball down

  A) kinetic

  B) mechanically

  C) gravitational potential

  
• Kettle Boiling Water

  A) thermal

  B) by heating

  C) thermal

  
• Car Accelerating

  A) chemical

  B) mechanically

  C) kinetic

  
• Car Braking

  A) kinetic

  B) mechanically

  C) thermal

  
• Car Crashing

  A) kinetic

  B) mechanically

  C) thermal

  
• Kinetic Energy is measured in Joules
• Mass is measured in Kilograms
• Speed is measured in Metres per Second
• Elastic Potential Energy is also measured in Joules
• SPECIFIC HEAT CAPACITY


  heat energy needed to raise the temperature of 1 kg of a substance by 1°C
• Specific Heat Capacity

  A) insulation

  B) thermometer

  C) battery pack

  D) joulemeter

  E) metal block

  F) immersion heater

  
• Power measured in Watts
• Energy Resources

  A) coal

  B) oil

  C) gas

  D) nuclear

  E) sun / solar

  F) wind

  G) water waves

  H) bio-fuel

  I) geothermal

  
• NON-RENEWABLE RESOURCES = FINITE = will eventually RUN OUT
• RENEWABLE RESOURCES = REPLENISHABLE = will not run out