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  • The unit of measurement for intensity of light
    lux
  • Cockroach “moult” several times during its life cycle. Why?
    A cockroach has to moult as its hard outer covering, known as the exoskeleton, doesn't grow when the cockroach grow bigger. So, it needs to put off his old ski
  • An unique trait that human has that is different from one person to another.
    fingerprint
  • Why is reproduction important?
    Ensure the survival of their species / Prevent their kinds from extinction
  • What do you called this material?
    translucent
  • Mention 3 visible inherited traits
    dimples, eye color, skin color, hair color, earlobe tongue rolling
  • The instruments that use to measure the intensity of light.
    light sensor and data logger
  • What do you call the young frog?
    tadpole
  • Mention 2 ways to make the shadow appear bigger.
    Any two of: Move the object nearer to the light source, Move the object further from the screen, Move the light source closer to the object
  • Which travels faster? Light or sound?
    Light
  • Mention 2 natural light source (except sun)
    sun, firefly
  • The complete changes that happened in animals physically during the life cycle is called ____
    metamorphosis
  • A type of mirror that will produce magnified image.
    concave mirror
  • How do light travels?
    Light travels in straight line.
  • Mention the stages in grasshopper's life cycle
    egg -- nymph -- adult grasshopper
  • In insect, the metamorphosis happened in ______ stage
    pupa
  • Mention 2 animals that go through complete metamorphosis
    frog, butterfly, accept other possible answers
  • What do you call the larva form of mosquito?
    Wriggler
  • Why do we able to see things?
    When light falls on an object, it is reflected into our eyes to enable us to see the object
  • When the path of light is blocked, ______ formed.
    shadow
  • Mention 1 of the traits that are not visible but inherited from the parents.
    blood type / allergies
  • The passing down of traits is known as ____
    heredity