Light And Heat Test Review

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| By Eisenbacherm
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Eisenbacherm
Community Contributor
Quizzes Created: 1 | Total Attempts: 433
Questions: 14 | Attempts: 436

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Light Quizzes & Trivia

Questions and Answers
  • 1. 

    Type response below

  • 2. 

    What is light?

    • A.

      A form of energy that heats things

    • B.

      A form of energy that helps us see

    • C.

      A form of energy that makes things work

    Correct Answer
    B. A form of energy that helps us see
    Explanation
    Light is a form of energy that helps us see. It is the electromagnetic radiation within a certain range of wavelengths that is visible to the human eye. When light enters our eyes, it interacts with the photoreceptor cells in the retina, allowing us to perceive the world around us. Without light, our ability to see would be greatly impaired. Therefore, light is a crucial energy source for our visual perception.

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  • 3. 

    What does opaque mean?

    • A.

      Objects that block light from passing through them

    • B.

      Objects that sometimes allow light to pass through them

    • C.

      Objects that always allow light to pass through them

    Correct Answer
    A. Objects that block light from passing through them
    Explanation
    Opaque means that objects do not allow light to pass through them. Therefore, they block light from passing through them, which is the correct answer.

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  • 4. 

    What does adaptation mean?

    • A.

      A behavior that helps an organism move

    • B.

      A behavior that helps an organism eat

    • C.

      A structure or behavior that helps an organism survive in its environment

    Correct Answer
    C. A structure or behavior that helps an organism survive in its environment
    Explanation
    Adaptation refers to a structure or behavior that enables an organism to survive in its environment. This means that the organism has developed certain traits or actions that allow it to better cope with the challenges and demands of its surroundings. These adaptations can include physical features or behaviors that enhance the organism's chances of survival, such as camouflage, hibernation, or the ability to obtain food and water. By possessing these adaptations, an organism is better equipped to thrive and reproduce in its specific habitat.

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  • 5. 

    What is thermal energy?

    • A.

      The energy that slows particles down

    • B.

      The energy that makes particles move

    • C.

      The energy that makes particles disappear

    Correct Answer
    B. The energy that makes particles move
    Explanation
    Thermal energy refers to the energy that makes particles move. It is the energy associated with the motion of particles at the molecular level. When particles have higher thermal energy, they move faster and have more kinetic energy. This energy is responsible for the transfer of heat between objects and is a measure of the overall temperature of a system.

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  • 6. 

    What is a conductor?

    • A.

      Material that heat moves through easily

    • B.

      Material that blocks heat from moving

    • C.

      Material that sometimes lets heat move through

    Correct Answer
    A. Material that heat moves through easily
    Explanation
    A conductor is a material that allows heat to move through it easily. This means that heat can transfer from one part of the conductor to another without much resistance. Conductors are typically materials that have high thermal conductivity, such as metals like copper or aluminum. When heat is applied to a conductor, the kinetic energy of the particles increases, causing them to vibrate and transfer heat energy to neighboring particles. This process continues until the heat is evenly distributed throughout the conductor.

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  • 7. 

    The difference between heat and temperature is _________________.

    Correct Answer
    Heat is the flow of energy between objects. Temperature is the measure of how hot or cold an object is.
    Explanation
    The difference between heat and temperature is that heat refers to the transfer of energy between objects, while temperature is a measure of the average kinetic energy of the particles in an object. Heat is the energy in transit, moving from a higher temperature object to a lower temperature object. On the other hand, temperature is a scalar quantity that indicates the level of thermal energy in an object, determining how hot or cold it feels.

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  • 8. 

    If a shirt is the color green, __________________ are being absorbed.

    Correct Answer
    All of the colors except for green
    Explanation
    When a shirt is the color green, it means that it reflects or transmits green light while absorbing all other colors. Therefore, if a shirt is green, all of the colors except for green are being absorbed by the shirt.

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  • 9. 

    A shirt is green, ______________ is being reflected.

    Correct Answer
    the color green
    Explanation
    The given statement suggests that when a shirt is green, it means that the color green is being reflected by the shirt. This implies that the shirt is absorbing all other colors of light and reflecting only the green color.

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  • 10. 

    Heat flows from ___________________________.

    Correct Answer
    warmer to colder objects.
    Explanation
    Heat flows from warmer to colder objects because of the difference in temperature. In nature, heat always moves from areas of higher temperature to areas of lower temperature until equilibrium is reached. This is known as the second law of thermodynamics. The molecules in a warmer object have higher kinetic energy and collide with the molecules in a colder object, transferring energy and causing the colder object to heat up. This transfer of heat continues until both objects reach the same temperature.

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  • 11. 

    A cup of hot cocoa has more thermal energy because ____________________________.

    Correct Answer
    when it is hot, the particles move faster.
    Explanation
    Thermal energy means faster moving particles.

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  • 12. 

    The __________ is our main source of heat.

    • A.

      Sun

    • B.

      Moon

    • C.

      Stars

    Correct Answer
    A. Sun
    Explanation
    The sun is our main source of heat because it radiates enormous amounts of energy in the form of heat and light. It is a massive ball of hot gases that undergoes nuclear fusion, releasing a tremendous amount of heat energy. This heat energy reaches the Earth in the form of sunlight, warming our planet and making it habitable for life. The moon and stars do not generate heat on the same scale as the sun, so they cannot be considered our main source of heat.

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  • 13. 

    Rubbing two objects together creates __________________________.

    • A.

      Refract

    • B.

      Friction

    • C.

      Reflect

    Correct Answer
    B. Friction
    Explanation
    Rubbing two objects together creates friction. Friction is the force that opposes the motion of objects in contact with each other. When two objects are rubbed together, the surface irregularities of the objects interact, causing resistance to their motion. This resistance is known as friction. Friction can generate heat and wear down the surfaces of the objects.

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  • 14. 

    Heat can cause matter to _______________________.

    Correct Answer
    change states.
    Explanation
    Heat can cause matter to change states. When heat is added to a substance, its molecules gain energy and move faster. This increased molecular motion can cause the substance to change from one state to another. For example, when heat is applied to ice, it melts and changes from a solid state to a liquid state. Similarly, when heat is applied to a liquid, it can evaporate and change into a gas. Therefore, heat has the ability to induce changes in the physical state of matter.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Dec 01, 2016
    Quiz Created by
    Eisenbacherm
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