Lessons 7 - 9 How Can I Smell Things From a Distance

What is a substance made up of the same type of atom?

• molecule

• element

• mixture

• property

What is the smallest unit of an element?

• mixture

• molecule

• atom

• element

Iron is an example of what?

• element

• molecule

• physical property

• mixture

Salad dressing is an example of a _______.

• atom

• molecule

• mixture

• element

Tags

NGSS.MS-PS1-1

More than one type of molecule gathered together is called a what?

• mixture

• atom

• molecule

• element

What is it called when more than one atom bonds together?

• mixture

• element

• molecule

• atom

Tags

NGSS.MS-PS1-1

What are some of the elements/molecules found in the mixture, air?

• nitrogen, oxygen, carbon monoxide, argon

• nitrogen, oxygen, carbon dioxide, argon

• nitrogen, oxygen, carbon dioxide, ammonia

Odors travel in a straight line, acting like a magnet straight from the source to your nose?

• true

• false

How do odors travel through the air?

• sticking to other molecules

• traveling as molecules, not connected to other molecules

Adding ____ to molecules makes them move faster through the air.

• cold

• heat

Tags

NGSS.MS-PS1-4