SCIENCE REVIEWER

• Scalar – a measure with magnitude but no direction.
• Vectors – a measure with both magnitude and directi Vectors on.
• Force and distance- for work to be done (work is equal to force times distance) W=fxd
• salt water had a density greater that of pure water- salt is heavier than water
• 3. kinetic energy is energy motion (B)

  4. The higher the number object is, The greater is the potential energy (C)

  5. Convention Takes place when there is a movement of air from hot place to cold place. (C)

  
• 5.8 ml (A)

  
• 0.176 N (A)

  
• Ionosphere- layer of the atmosphere returns radio and TV broadcasts back to earth
• Nimbus- type of clouds will be seen during a rainy day
• D. many years of stress on the rock

  
• Erosion and deposition are responsible for the formation of the following landfroms except “mountain”
• What is 30 oC in o

  F?- 86 (c)
• CFC- not a greenhouse gas
• D. -273 celsius, and 0 kelvin

  
• blue star- it is the hottest star
• What gives the moon this ability to shine- the sun’s reflection off the moon (A)
• What is not true about moon and tides - when the moon is close to earth, the lesser the effect of gravity. (A)
• Crust- hard outer shell of earth
• Composite- Mayon's type of volcano
• 150 mg is equal to- 0.015 g