Unit 2 Learning Set Flashcard 1 03/04

Front

What happens when an odor gets out of a container?

Back

It moves into the air in the room from the container.

Front

How does a particle model explain the movement of odor to our nose?

Back

When we smell the odor, we are smelling particles that started in the container, changed into a gas, and moved into the air.

Front

Can menthol exist in more than one form?

Back

Yes, menthol can exist in solid, liquid, and gas forms.

Front

How does an odor travel from its source to our nose?

Back

It travels through the air. When it reaches our noses, we smell it as we take in air.

Front

What was taking up space in the plastic bowl before the liquid was poured in?

Back

Air was taking up the space.

Front

What is the definition of a gas?

Back

A state of matter that has no fixed shape and takes the shape of its container.

Front

What is the particle model of matter?

Back

A theory that explains the behavior of solids, liquids, and gases in terms of particles in motion.

Front

What is diffusion?

Back

The process by which particles spread from areas of high concentration to areas of low concentration.

Front

What is the difference between a solid and a liquid?

Back

A solid has a definite shape and volume, while a liquid has a definite volume but takes the shape of its container.

Front

What is an example of a gas?

Back

Air is an example of a gas.