Unit 1 Review

Which are elements?

• Fe

• CO2

• H2O

• Li

Which are compounds?

• O2

• HCl

• HNO3

• Fe

Tags

NGSS.MS-PS1-1

Which box represents a liquid?

• 1st

• 2nd

• 3rd

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which sample represents a solid?

• A

• B

• C

Tags

NGSS.MS-PS1-4

There are three common states of matter in which elements can exist. Most elements can exist in each of these states, depending on conditions.

What is the correct order of the amount of kinetic energy an atom has in these states, from least to greatest?

• gas<liquid<solid

• liquid<gas<solid

• solid<liquid<gas

• solid<gas<liquid

Tags

NGSS.MS-PS1-4

What does this picture represent?

• Element

• Compound

• Homogeneous Mixture

• Heterogeneous Mixture

Tags

NGSS.MS-PS1-1

What does this picture represent?

• Element

• Compound

• Homogeneous Mixture

• Heterogeneous Mixture

Tags

NGSS.MS-PS1-1

What does this picture represent?

• Element

• Compound

• Homogeneous Mixture

• Heterogeneous Mixture

Tags

NGSS.MS-PS1-1

What does this picture represent?

• Element

• Compound

• Homogeneous Mixture

• Heterogeneous Mixture

Tags

NGSS.MS-PS1-1

What does this picture represent?

• Element

• Compound

• Homogeneous Mixture

• Heterogeneous Mixture

Tags

NGSS.MS-PS1-1