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4th Grade Unit 2 Review: Vision and Light

  •  English    13     Public
    Review of Unit 2
  •   Study   Slideshow
  • In this unit what did we learn that living things use to help them survive in their environment?
    Their senses!
  •  20
  • What do you call a place where all living and nonliving things are in an area?
    Environment
  •  20
  • What does survive mean?
    To stay alive
  •  10
  • What do animals have on them to help them survive?
    Structures
  •  10
  • Name one structure that a Tokay gecko has to help it survive.
    tail, skin coloring, eyes, nose, teeth
  •  20
  • Define vision.
    Vision is the ability to see.
  •  10
  • What word means: to cause light to bounce off a material?
    Reflect
  •  10
  • What is the word for an animal that hunts and eats other animals?
    Predator
  •  15
  • What is the word for an animal that is hunted and eaten by other animal?
    Prey
  •  15
  • What is the word for a structure that responds to information coming in from the environment?
    Receptor
  •  20
  • What is the word for how strongly something responds to information?
    Sensitivity
  •  15
  • TRUE OR FALSE: Light needs to get to an object for an animal to see the object.
    TRUE
  •  25
  • TRUE OR FALSE: Different animals can have light receptors with different sensitivities.
    TRUE
  •  20