Phases of Matter, Pure Substances and Mixtures, Extensive v. Intensive, Physical and Chemical

___________ are the smallest unit of an element that maintains the properties of that element.

• Atoms

• Elements

• Compounds

• Mixtures

Tags

NGSS.MS-PS1-1

An _______________ is made up of one or more of the same kind of atom chemically combined.

• atom

• element

• molecule

• compound

Tags

NGSS.MS-PS1-1

True or False: elements AND compounds are pure substances.

• True

• False

What Is Matter?

• Anything That has weight and takes up space.
• Anything that you can see or taste.
• What you can touch.
• you and go throught this.

A gas

• has a definite shape but no definite volume
• has a definite volume but no definite shape
• has fast-moving particles

Tags

NGSS.MS-PS1-4

At higher temperatures

• particles in an object have less energy
• particles in an object move faster
• a gas contracts

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which state of matter has tightly packed molecules?

• solid
• liquid
• gas

Tags

NGSS.5-PS1-1

What are the states of matter?

• solid, liquid, and juice
• solid and liquid
• solid and gas
• solid, liquid, and gas

Tags

NGSS.MS-PS1-4

Define a liquid.

• Indefinite shape, indefinite volume
• Definite shape, definite volume
• Found in stars
• Definite volume, indefinite shape

state of matter that has a fixed volume and a fixed shape

• solid
• liquid
• gas
• phases of matter

Tags

NGSS.5-PS1-1

NGSS.5-PS1-3