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Science L4 Review Term 2 of 2022

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  • A virus can replicate or multiply anywhere. True or false
    False
  • Which part of the tooth has the nerve endings in it? The pulp OR the enamel
    The pulp
  • What 2 things are our ears used for ? Balance and hearing OR hearing and sensing
    Balance and hearing
  • What type of muscle is the heart muscle? Involuntary or voluntary muscle
    Involuntary
  • What is a callus on the skin? Overgrowth of skin OR a hole in the skin
    Overgrowth of skin
  • Which part of the cell controls all the functions of the cell? The cytoplasm or the nucleus
    Nucleus
  • Name the white part of the eye: Sclera OR retina
    Sclera
  • Where can molds be used in foods? Cheeses OR cream
    Cheeses
  • What is a cell?
    A living unit that makes up all living organisms.
  • What causes tooth decay? Sugar OR acid
    acid
  • What are the 3 layers of the skin? Epidermis, ________ and hypodermis. Is the missing word dermis OR dermititis
    dermis
  • What can our body create to fight bacteria and viruses? Antibiotics OR antibodies
    Antibodies
  • Which organelles is the power house of a cell? The mitochondria or the chloroplast?
    Mitochondria
  • What helps molds grow well? Water OR sun
    water
  • The bacteria combine with the food debris to form a sticky coating called ____________. Plaque OR chyme
    Plaque
  • What is the name of number 7 ? Pupil OR lens
    Lens
  • Is a contracted muscle thicker and shorter OR longer and thinner?
    Thicker and shorter
  • What joins bones to muscle? Tendons or sinew
    tendons
  • Where do we find the 3 little bones called the hammer, anvil and stirrup? Middle ear or outer ear
    Middle ear
  • Bacteria is a single celled organism. Yes or no
    Yes
  • All organisms are made up of 1 or more cells. True or false
    True
  • What is a function of the skin? Regulating temperature OR making new blood
    Regulating temperature
  • What does the retina do? It creates light for the image OR converts the image into nerve signals
    Nerve signals to the brain