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4th grade Science Review

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    NC 4th grade Science Review
  •   Study   Slideshow
  • When you put two magnets with the same end together, what do they do?
    repel each other
  •  10
  • Opposites _________, like sides __________ when it comes to magnets/electrical charges
    attract, repel
  •  5
  • What is density?
    How closely packed the particles of something are
  •  15
  • How can scientists tell the difference between two minerals that are the same color?
    the hardness
  •  20
  • What is the difference between a producer and a consumer?
    a producer makes its own food, a consumer eats the food made by the producer
  •  5
  • What happens if you throw trash in a body of water (lake, ocean, pond)?
    The fish will eat it and get sick
  •  10
  • What are the effects of deforestation?
    less trees, taking animals habitats, less oxygen
  •  20
  • what can people do to save water in times of drought?
    take shorter showers, plant crops that don't need much water, rain gardens
  •  25
  • How does camoflauge help animals survive?
    They blend in, so they won't be seen, heard, or eaten
  •  10
  • How are bird's beaks shapes helpful to them?
    they can eat different things
  •  5
  • How do birds know when to migrate?
    they learn really young and the change of seasons
  •  5
  • How do body coverings help animals?
    keeps them warm and dry
  •  5
  • What is an inherited or instinctive behavior?
    something animals are born knowing how to do?
  •  25
  • What is the 5th planet from the sun?
    jupiter
  •  5
  • What is the difference between a revolution and a rotation?
    revolution goes around the sun, rotation spins around itself
  •  20
  • How long does it take the earth to rotate once?
    24 hours
  •  5