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JCE (Botswana) Heat and Temperature — practice questions

Explore 2 free Heat and Temperature questions in JCE (Botswana) Science. Open each question or exercise to read its content, reference answers and available explanation.

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Heat and Temperature questions and exercises with answers

Showing questions 1–2 of 2.

Worked practice questions

In which direction does energy move between a hot object and a cold one?

  1. From the cold to the hot
  2. From the hot to the cold
  3. In both ways at once
  4. In neither direction
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Correct answer: B. From the hot to the cold

1. Heat is the transfer of energy caused by a difference in temperature. 2. The energy always travels from the hotter object to the colder one. 3. The hotter object cools down while the colder one warms up. 4. Transfer stops once both objects reach the same temperature. _Source: Siyavula Natural Sciences Grade 7 (CC BY 4.0), Heating as a transfer of energy_

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What does the temperature of an object tell us about its particles?

  1. Their average total number
  2. Their average size in grams
  3. Their average colour in light
  4. Their average moving energy
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Correct answer: D. Their average moving energy

1. Every particle in an object is moving or vibrating all the time. 2. Some particles move faster than others, so an average is taken. 3. Temperature measures the average movement energy of those particles. 4. A higher temperature therefore means faster moving particles on average. 5. Temperature is measured in degrees Celsius using a thermometer. 6. Heat is a different quantity, because heat is energy transferred, measured in joules. 7. The number of particles and their size are counted separately and are not temperature. _Source: Siyavula Natural Sciences Grade 7 (CC BY 4.0), Heating as a transfer of energy_

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