Kinetic Molecular Theory

Front

What is the Kinetic Molecular Theory?

Back

The Kinetic Molecular Theory explains that matter is made up of tiny particles that are in constant motion. The speed of this motion is related to the temperature of the substance.

Front

How does temperature affect the motion of particles?

Back

As temperature increases, the kinetic energy of the particles increases, causing them to move faster.

Front

What happens to the melting and boiling points when molecular attraction is stronger?

Back

The melting and boiling points are higher when the attraction between molecules is stronger.

Front

What is fluidity in terms of gases?

Back

Fluidity refers to the ability of gas particles to flow freely because the attractive forces between them are too weak to hold them in a rigid structure.

Front

Which state of matter has a defined volume but not a defined shape?

Back

Liquid.

Front

What is diffusion in gases?

Back

Diffusion is the process by which gas particles spread out and mix due to their kinetic energy.

Front

Why can we smell cookies baking in the oven?

Back

We can smell cookies baking because the gas particles have a higher temperature, which means more kinetic energy, allowing them to move faster and spread the scent.

Front

What is the relationship between kinetic energy and temperature?

Back

Kinetic energy is directly proportional to temperature; as temperature increases, kinetic energy increases.

Front

What is the effect of pressure on gas particles?

Back

Increasing pressure on gas particles forces them closer together, which can affect their volume and behavior.

Front

What is the difference between a solid, liquid, and gas in terms of particle arrangement?

Back

In solids, particles are closely packed in a fixed arrangement; in liquids, particles are close but can move past each other; in gases, particles are far apart and move freely.