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3rd Grade Unit 1 Natural Science Review

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