science review

• Water drops on a cold glass of lemonade

  Come from the air
• Condensation


  1. Water vapor in air comes into contact with something cool

  2. Gaseous water vapor turns back into liquid water droplets
• Decomposers


  • Organisms like worms, insects, bacteria, and fungi that break down remains of dead animals and plants
  • Recycle dead animals and plants into nutrients released back into the soil
• Solution


  Homogeneous mixture where salt dissolves into water
• Unlike poles of magnets

  Attract
• Like poles of magnets

  Repel
• Jupiter


  • Has the highest gravity because it is the most massive planet in our solar system
• Ozone layer


  Protects Earth from ultraviolet radiation
• Friction


  Force that prevents one solid object from sliding or rolling over another
• Hotter stars


  Are blue in color
• Wood is a poor conductor of heat
• Nervous system


  Includes the brain and spinal cord