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6th Grade Science Review

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  • What part of the earth receives the most concentrated solar energy?
    the equator
  • How is thermal energy transferred in the air?
    Through convection
  • When particles gain thermal energy, what happens to their kinetic energy?
    Kinetic energy increases
  • Thermal energy is transferred from the equator to the poles through the process of ______________.
    Convection
  • Which system breaks down your food in a series of chemical reactions so your cells can get the nutrients they need to grow and divide?
    Digestive System
  • Would this material be a good insulator or conductor?
    Insulator
  • What's the difference between weather and climate?
    Weather is the current condition of the air. Climate is the average of the air conditions over many years
  • Which organelle is the "brain" of the cell?
    The nucleus
  • Plants combine carbon dioxide and __________ to make glucose (sugar/plant food).
    water
  • How do the particles in a conductor transfer thermal energy to one another?
    They hit each other or collide
  • Which organ system transports oxygen and nutrients to cells?
    The circulatory system
  • Why are there many convection cells instead of just 2 big ones from the equator to the poles??
    Because the earth is spinning, uneven distribution of land & water
  • How is thermal energy being transferred from the sun to earth?
    Through radiation
  • Which latitude would have the coldest climate, 0 degrees, 30 degrees, 45 degrees or 60 degrees?
    60 degrees
  • The brain and the spinal cord are part of the peripheral nervous system or the central nervous system?
    central nervous system
  • What is the smallest unit of matter?
    particles or atoms
  • The process plants use to make sugar or food for themselves is called what?
    Photosynthesis
  • Cells --> ____________ --> organs --> organ systems --> body
    tissues
  • What do we call materials that transfer thermal energy well, like metal or cookware?
    Conductors
  • What is the smallest unit of life?
    The cell
  • Name an organ in the respiratory system.
    lungs, trachea, nose/mouth, bronchi
  • Which organelle breaks down glucose to release energy?
    The mitochondrion or mitochondria
  • How is thermal energy being transferred down the metal rod?
    Through conduction
  • In which state of matter does convection NOT occur: solid, liquid or gas?
    solid
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