Gr 8 Natural Sciences Ch 3.4: Absorption of light
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Questions and Answers

What happens when light hits an object?

  • The object reflects all colors of light and absorbs none.
  • The object absorbs all colors of light and reflects none.
  • The object neither absorbs nor reflects any colors of light.
  • The object absorbs some colors of light and reflects others. (correct)

    • Why does a ladybird's red shell appear red?

  • Because it reflects only red light and absorbs other colors. (correct)
  • Because it absorbs all colors of light except red.
  • Because it reflects all colors of light except red.
  • Because it absorbs only red light and reflects other colors.

    • What happens to all colors of light when they hit a black surface?

  • They are all absorbed. (correct)
  • Some are absorbed and others are reflected.
  • They are all reflected.
  • They are neither absorbed nor reflected.

    • Why do white surfaces tend to stay cooler than black surfaces?

    <p>Because they reflect more light. (C)</p> Signup and view all the answers

    What happens to the light energy that is absorbed by a black surface?

    <p>It is converted into heat. (D)</p> Signup and view all the answers

    Why is it recommended to wear white clothes on a sunny day?

    <p>Because they reflect more light and keep us cooler. (B)</p> Signup and view all the answers

    What is the term for the process by which a material takes in light energy?

    <p>Absorption (A)</p> Signup and view all the answers

    What happens when a green leaf absorbs light?

    <p>It absorbs all colors of light except green. (C)</p> Signup and view all the answers

    What happens to the colors of light that are not reflected by an object?

    <p>They are absorbed by the object (D)</p> Signup and view all the answers

    Why do black surfaces tend to appear hotter than white surfaces?

    <p>Because they absorb more light and convert it into heat (D)</p> Signup and view all the answers

    What is the main reason why we see a ladybird's red shell as red?

    <p>Because it absorbs all colors of light except red (D)</p> Signup and view all the answers

    Why do green leaves appear green to our eyes?

    <p>Because they absorb all colors of light except green (C)</p> Signup and view all the answers

    What is the primary function of reflection in the context of light?

    <p>To change the direction of light (C)</p> Signup and view all the answers

    What is the main difference between how black and white surfaces interact with light?

    <p>Black surfaces absorb more light, while white surfaces reflect more light (A)</p> Signup and view all the answers

    What is the result of an object absorbing all colors of light?

    <p>The object appears black (D)</p> Signup and view all the answers

    Why is it recommended to wear light-colored clothes on a sunny day?

    <p>Because they reflect more light and keep you cooler (C)</p> Signup and view all the answers

    What happens to the colors of light that are not absorbed by an object?

    <p>They are reflected back to our eyes. (C)</p> Signup and view all the answers

    Why do black objects tend to absorb more heat than white objects?

    <p>Because black objects absorb all colors of light. (A)</p> Signup and view all the answers

    What is the main reason why we see a green leaf as green?

    <p>Because it absorbs all colors of light except green. (A)</p> Signup and view all the answers

    What is the difference between absorption and reflection of light?

    <p>Absorption is when light is taken in, and reflection is when light is bounced back. (C)</p> Signup and view all the answers

    Why do we see a ladybird's black spots as black?

    <p>Because they absorb all colors of light. (B)</p> Signup and view all the answers

    What happens to the light energy that is not reflected by an object?

    <p>It is absorbed by the object. (D)</p> Signup and view all the answers

    Why do white surfaces tend to appear cooler than black surfaces?

    <p>Because white surfaces reflect more light. (D)</p> Signup and view all the answers

    What is the result of an object reflecting all colors of light?

    <p>The object appears white. (C)</p> Signup and view all the answers

    What is the primary reason why an object appears to have a specific color?

    <p>The object absorbs some colors of light and reflects others (C)</p> Signup and view all the answers

    Which of the following statements about black and white surfaces is true?

    <p>Black surfaces absorb more light and reflect less heat (C)</p> Signup and view all the answers

    What is the main reason why a ladybird's red shell appears red to our eyes?

    <p>The shell absorbs all colors of light except red (D)</p> Signup and view all the answers

    What is the result of an object absorbing all colors of light except one?

    <p>The object appears to have a specific color (C)</p> Signup and view all the answers

    What is the primary reason why wearing black clothes on a sunny day can make you feel hotter?

    <p>Black clothes absorb more light and reflect less heat (C)</p> Signup and view all the answers

    What is the main difference between how a green leaf and a ladybird's red shell interact with light?

    <p>The green leaf absorbs all colors of light except green, while the red shell absorbs all colors of light except red (D)</p> Signup and view all the answers

    What is the result of an object reflecting all colors of light?

    <p>The object appears white (B)</p> Signup and view all the answers

    What is the primary reason why an object appears to have a specific color when viewed under different lighting conditions?

    <p>The object's color is determined by the colors it absorbs and reflects (C)</p> Signup and view all the answers

    What is the primary reason why we see a ladybird's red shell as red?

    <p>The shell absorbs all colors of light except red (C)</p> Signup and view all the answers

    What happens to the light energy that is absorbed by a black surface?

    <p>It is converted into heat (A)</p> Signup and view all the answers

    Why do black clothes tend to make you feel hotter on a sunny day?

    <p>Because they absorb more light and convert it into heat (D)</p> Signup and view all the answers

    What is the main difference between how black and white surfaces interact with light?

    <p>Black surfaces absorb more light, while white surfaces reflect more (C)</p> Signup and view all the answers

    What is the result of an object absorbing all colors of light except green?

    <p>The object appears green (A)</p> Signup and view all the answers

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