States of Matter and Phase Changes

Front

What happens as a solid reaches the melting point?

Back

Temperature stops increasing, and energy goes to breaking the attractive forces between particles

Front

Temperature is...

Back

The average Kinetic Energy (movement) of particles in a substance

Front

What is the term used to describe the temperature at which a solid turns into a liquid?

Back

Melting point

Front

The melting point of the sample is

Back

-60 ºC

Front

Why does an increase in pressure require more thermal energy to change a liquid to a gas?

Back

Because the particles in the gas phase are colliding with the surface of the liquid more frequently and exerting greater forces on the particles in the liquid, which limits the movement of particles from the liquid to gas phase

Front

What is the term used to describe the temperature at which a solid turns into a liquid?

Back

Melting point

Front

What line segment represents only the solid state? Options: A-B, B-C, C-D, D-E

Back

A-B

Front

What happens to the boiling point of water at higher altitudes?

Back

It decreases.

Front

Of these three states of matter, which one has the most kinetic energy? Options: Solid, Liquid, Gas

Back

Gas

Front

How will a balloon left in the fridge overnight change?

Back

The balloon will shrink. The volume will decrease because the particles move slower and collide with the sides of the balloon less.