How does odor get to your nose?

Front

What state of matter do particles need to be in to smell something?

Back

Gas

Front

Where do odors exist?

Back

In the air

Front

What is the process called when particles from an object enter the air?

Back

Diffusion

Front

What is the role of the nose in smelling?

Back

The nose detects odor particles in the air.

Front

What are odor particles?

Back

Tiny particles released by substances that can be detected by the sense of smell.

Front

How do we perceive smells?

Back

Through olfactory receptors in the nose that send signals to the brain.

Front

What is the olfactory system?

Back

The sensory system used for smelling.

Front

What happens to odor particles when they are inhaled?

Back

They bind to olfactory receptors in the nasal cavity.

Front

Can you smell something underwater? Why or why not?

Back

No, because odors need to be in the air (gas) to be detected.

Front

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

Back

Only gases can disperse and reach our noses to be smelled.