Vocabulary Particle Movement

movement in all directions and at different speeds.

movimiento en todas direcciones y a velocidades diferentes

Diffusion is the movement of substances from an area of higher concentration to an area of ___________ concentration.

• lower

• the same

• opposite

• all of the above

energy due to motion.

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Thermodynamics is the study of...

• movement

• energy

• heat

• thermometers

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an increase in a material’s volume when the temperature is increased.

• boiling

• volume growth

• thermal contraction

• thermal expansion

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an decrease in a material’s volume when the temperature is decreased.

• thermal expansion

• thermal contraction

• volume shrink

• none of the above

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Temperature is the measurement of the average ______ energy of molecules in a substance.

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What effect will the increase heat from the hot water have on the air inside the bottle/balloon?

• Thermal contraction.

• Temperature decrease.

• Thermal expansion.

• Change in state.

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The tool that is used to measure temperature is called a _________.

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How does air on a hot day compare to air on a cold day?

• On a hot day air molecules have less energy.

• On a cold day air molecules travel faster.

• On a hot day air molecules have more energy.

• There are no air molecules on a cold day.

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