Download Proficiency Review #3

 A plant absorbs sunlight, which is used for
photosynthesis.
 Energy obtained from food molecules would be
reduced.
 Artificial
 Plants or Producers
 Cell membrane and cell wall
 Homeostasis
 Increasing the surface area of a reactant. (GRIND IT)
 Stirring the reaction mixture (STIR IT)
 Adding a catalyst to the reaction mixture
 Increasing the temperature at which the reaction takes
place. (HEAT IT)
 The use of ethanol reduces the amount of greenhouse
gases produced from fossil fuels.
 The type of element (ionic or covalent) and the
number of valance electrons that atom has.
 HYDROGEN
 Her mass will remain the same.
 FRICTION
 ELECTRONS
 Any change in state of matter is a physical change.
 A baseball flying through the air.
 A skier at the top of a hill.
 TT
 tt
 RR
 rr
 GGATCGA
 A to T
 T to A
 C to G
 G to C