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Science 3, Stage 4 Unit 1 Review

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  • Which activities did Arun do for the shortest amount of time?
    Riding a bike and eating
  • Which part is the hip bone?
    Part E
  • An injection that prevents disease
    Vaccination
  • True or False: It is okay to take medicine that a friend gives you.
    False
  • False
  • What is the function of part D?
    To protect the heart and lungs
  • Look at the picture of a rabbit skeleton: Label part B.
    Jaw
  • The bone that moves when we eat or talk
    Jaw
  • The bones in your back
    Spine
  • The parts of the body that allow our bones to move
    Muscles
  • Look at the drawing and answer the question: Write down the number of the muscle that gets shorter to bend the arm.
    1
  • Choose the correct words in the sentences to explain how the muscle makes the arm bend upwards: The muscle contracts/relaxes. The muscle gets longer/shorter and pushes/pulls on the arm bone.
    The muscles contracts. The muscle gets shorter and pulls on the arm bone.
  • Look at the picture of a rabbit skeleton: Label part A.
    Spine
  • The hard skin or shell on the outside of the body of some animals.
    Exoskeleton
  • For how many hours did Arun do activities that made him move a lot?
    2 1/2 hours (1.5 hours playing football, 1 hour riding a bike)
  • The hard parts that form the skeleton
    Bones
  • The bones in your chest
    Rib cage
  • Which part allows the animal to walk and hop?
    Part F
  • True or False: Always follow the instructions on the medicine label.
    True
  • The bones of the head
  • True or False: Germs cause infectious diseases.
    True
  • Animals with no backbone
    Invertebrate
  • The parts inside our bodies
    Organs
  • The bone that joins your leg to the upper part of your body
    Hip
  • Suggest two other activities that will make him do more movement.
    Any activities that involve movements
  • Which part protects the animal's brain?
    The skull/part C
  • Name three reasons why it is good for the body to be active and move.
    It makes your heart and lungs work better; it makes muscles and bones stronger; it lets you stretch your body easily
  • The skeleton protects body parts and helps the animal to move. Describe one other function of the skeleton
    Supports or provide a frame for the animal
  • The hard, strong frame that supports our body
    Skeleton
  • Look at the picture of a rabbit skeleton: Label part C.
    Skull
  • Arun recorded all the things he did for a day. He drew a graph to show the results. Which activity did Arun spend most time doing?
    Sleeping
  • True or False: Plants do not have infectious diseases.
    False
  • True or False: If you take more medicine, you will get better faster.
    True
  • What happens to the other muscle when the arm bends?
    Muscle 2 relaxes
  • Which activities could Arun do less of? Why?
    Watching TV and playing computer games - they involve very little movement.
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