Direction Choose the best answer for each item. Write your choice on the space provided before each item.
1. What would be the effect on the particles it more heat is supplied to the system?
A They would slow dow
B. They would speed up
C. They would stop moving
D. Thero would be no effect



With an increase in temperature, the particles move faster as they gain kinetic energy, resulting in increased collision rates and an increased rate of diffusion. ... With an increase in temperature, the particles gain kinetic energy and vibrate faster and more strongly.


what would be the effect on the particles if more heat is supplied to the system?

Heating a gas increases the kinetic energy of the particles, causing the gas to expand. In order to keep the pressure constant, the volume of the container must be increased when a gas is heated.


If heat is added to the system its internal energy will increase; if heat is removed from the system its internal energy will decrease.Either the particles of solid vibrate more vigorously about their fixed positions or the particles of liquid and gas move about their container more rapidly. Either way, the addition of heat is causing an increase in the average kinetic energy of the particles in the sample of water.



1. C

2. A

3. A

4. B

5. B


7. B


9. D



5. When an object is heated the motion of the particles increases as the particles become more energetic

6. The Kelvin temperature scale was the brainchild of Belfast-born British inventor and scientist William Thomson — also known as Lord Kelvin. It is one of the three best-known scales used to measure temperature, along with Fahrenheit and Celsius.

7. If there is a temperature difference between two systems heat will always find a way to transfer from the higher to lower system.


9. The reason is that most substances expand as they get hotter, and contract, or shrink, as they cool down.

10. Solids, liquids and gases all expand when heat is added. When heat leaves all substances, the molecules vibrate slower.




correct me if i'm wrong, i'm not sure tho ^_^

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