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Heat and Particle Speed Quiz

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Questions and Answers

What happens to the speed of particles when a substance is heated?

The speed of particles fluctuates randomly
The speed of particles decreases
The speed of particles remains the same
The speed of particles increases (correct)

What is the relationship between particle speed and temperature?

Temperature is inversely proportional to particle speed
Temperature is directly proportional to particle speed (correct)
Temperature and particle speed have a complex, non-linear relationship
Temperature is independent of particle speed

What happens to the volume of a substance when it is heated?

The volume remains constant
The volume increases (correct)
The volume changes unpredictably
The volume decreases

What happens to the distance between particles when a substance is cooled?

The distance between particles decreases (A) Signup and view all the answers

How do gaseous particles move?

Gaseous particles move in straight lines until they collide (B) Signup and view all the answers

In which direction do gaseous particles travel?

Gaseous particles travel in all directions (C) Signup and view all the answers

What is the main reason that a gas can be detected by smell?

The gas particles travel through the air and reach the nose, allowing detection (C) Signup and view all the answers

According to the models provided, what happens to the temperature and volume of the balloon when the particles are moving faster?

The temperature and volume both increase (D) Signup and view all the answers

What is the main difference between evaporation and boiling?

Evaporation occurs at the surface, while boiling occurs throughout the liquid (D) Signup and view all the answers

What is the main reason that a drop of rubbing alcohol evaporates faster on your hand than on a table?

The hand is warmer than the table, providing more energy for the alcohol to evaporate (A) Signup and view all the answers

What happens to the gas particles during the process of condensation?

The gas particles slow down and become a liquid (A) Signup and view all the answers

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