answer the questions please
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Answer:
There are four photos
1st answer 1st photo
2nd answer 2nd photo
3rd answer 3rd photo
4th answer 4rth photo
Answer:
Explanation:
Q1)
Heat:
1) It is a form of internal energy* obtained because of the random motion and the attractive force of molecules within the substance.
2) Its SI unit is joule.
3) The amount of heat energy contained in a body depends on its mass, temperature and material (specific heat capacity).
4) It can be measured using the principle of calorimetry (or principle of method of mixtures).
5) Two bodies that have the same amount of heat energy can differ in their temperature.
6) When two bodies are in contact, the total amount of heat energy is the sum of the heat energy of each body.
Temperature:
1) It is a quantity that determine which direction the heat energy will flow in.
2) Its SI unit is kelvin.
3) The temperature of a body depends on the average kinetic energy of its molecules.
4) It is measured using a thermometer.
5) Two bodies at the same temperature can contain different amounts of heat energy.
6) If two bodies at different temperatures are kept in contact, the resultant temperature will be the temperature between the two temperatures.
Q2) A short list of examples follows:
Conversion of heat energy into different forms those are as follows:
• Heat energy can be converted into different forms. Those are
kinetic energy, potential energy, light energy, electrical energy, chemical energy, solar energy and etc.
• For example, when we start a bike then fuel burnt in the engine that gives kinetic energy.
• In a thermal power station, heat energy converted into electrical energy.
• Sun gives light so light energy is converted into solar energy this is also one type of heat energy because heat energy is converted into solar energy.
Q3) Heat energy
Q4) Thermometer.
Hope this helps!