Unit 1 and 2 Chemistry Review

A gas

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

Tags

NGSS.5-PS1-1

NGSS.5-PS1-3

Which state of matter has tightly packed molecules?

• solid
• liquid
• gas

Tags

NGSS.5-PS1-1

Which state of matter has a definite shape?

• solid
• liquid
• gas

Define a liquid.

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

Tags

NGSS.HS-ESS2-5

Particles (molecules) in a ______________________ have more energy than the other states of matter.

• gas
• solid
• liquid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

These particles are held together be very strong forces of attraction

• Solid
• Liquid
• Gas
• Plasma

Tags

NGSS.MS-PS3-4

The amount of space something takes up.

• matter
• mass
• volume
• element

Anything that has mass and takes up space.

• volume
• matter
• solid
• temperature

A change in which the form or shape of a substance changes but the chemical makeup of the substance remains the same.

• chemical change
• reaction
• physical change
• solution

Tags

NGSS.MS-PS1-4

A change in one or more substances, caused by a reaction, that forms new and different substances.

• mixture
• physical change
• element
• chemical change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5