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3rd Grade Unit 1 Natural Science Review

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  • Where does air enter our nose?
    nostrils
    olfactory nerve
    taste buds
  • What is the name of the sticky substance inside your ear canal?
    earwax
  • Which part of the eye sends the information to the brain?
    iris
    retina
    pupil
    eyelashes
  • What makes up the locomotor system?
    heart, muscles, skin
    nerves, blood, heart
    bones, joints, muscles
  • Which bone protects the brain?
    pelvis
    tibia
    ribs
    skull
  • What are the three parts of the ears?
    outer ear, middle ear, inner ear
  • What does the cerebellum control?
    balance, movement, coordination
    involuntary actions
    voluntary actions
  • Which muscles help you walk and jump?
    calf muscles and quadriceps
    biceps and triceps
  • Where is the ear canal?
    outer ear
    inner ear
    middle ear
  • What covers our tongues?
    taste buds
    fur
    olfactory nerves
    hair
  • How does this feel?
    cold
    hard
    soft
    hot
  • What three parts protect the eyes?
    eyebrows, eyelashes, eyelids
    retina, lens, iris
    iris, eyebrows, retina
  • How does this feel?
    rough
    cold
    soft
    smooth
  • Which bones form part of the lower limbs?
    elbows, knees, wrists
    femur, fibula, tibia
    ribs, pelvis, radius
    humerus, ulna, radius
  • Which bones form part of the upper limbs?
    elbows, knees, wrists
    ribs, pelvis, radius
    humerus, ulna, radius
    femur, fibula, tibia
  • What three parts make up the nervous system?
    nerves, blood, stomach
    brain, spinal cord, nerves
    large intestine, small intestine, stomach
    lungs, nose, large intestine
  • What does the brain stem control?
    voluntary actions
    involuntary actions
    balance and movement
  • What does the cerebrum control?
    involuntary actions
    coordination and balance
    voluntary actions
  • Which parts of the body can send messages to the brain?
    eyes, ears, nose, tongue, skin (sense organs)
  • Which part sends information to your brain which tells you what you are smelling?
    nostrils
    olfactory nerve
    taste buds
  • Where is the eardrum?
    inner ear
    middle ear
    outer ear
  • What do muscles help us do?
    all of these are correct
    hold objects
    make movements
    stand
  • What connects your bones?
    bones
    ligaments
    joints
    muscles
  • Which muscles help you move your arms?
    biceps and triceps
    quadriceps and calf muscles
  • What is the organ of touch?
    skin