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.</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.</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.</p> Signup and view all the answers

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

    <p>Absorption</p> Signup and view all the answers

    What happens when a green leaf absorbs light?

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

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

    <p>The object appears black</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</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.</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.</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.</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.</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.</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.</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.</p> Signup and view all the answers

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

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

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

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

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