LG06 - Physical and Chemical Changes of Matter

Which state symbol best describes the phase of the substance shown in this particle view diagram?

• (s)

• (l)

• (g)

• (aq)

Tags

NGSS.MS-PS1-4

Which of the following best describes the phase of this substance?

• compressible with fixed shape

• compressible with changeable shape

• rigid with fixed shape

• rigid with changeable shape

Which of the following shows the phase of a substance whose shape and volume cannot change?

• 
• 
• 
• 

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which state symbol best describes the phase of NaCl in this particle view diagram?

• (s)

• (l)

• (g)

• (aq)

Tags

NGSS.MS-PS1-4

Which of the following formulas could be represented by this diagram?

• AlF₃ (g)

• AlF₃ (l)

• NH₃ (g)

• NH₃ (s)

Tags

NGSS.MS-PS1-1

Intermolecular forces (IMFs) are responsible for...

• bonding atoms together

• attracting molecules to each other

• attracting electrons in the sea of electrons

• holding electrons in an atom

Tags

NGSS.MS-PS3-4

Which of the following best describes the change shown in this diagram?

• Physical change because a new substance was created.

• Physical change because no new substance was created.

• Chemical change because a new substance was created.

• Chemical change because no new substance was created.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-1

Which of the following best describes the change shown in this diagram?

• Physical change because a new substance was created.

• Physical change because no new substance was created.

• Chemical change because a new substance was created.

• Chemical change because no new substance was created.

Tags

NGSS.MS-PS1-2

Which of the following are examples of a chemical change?

• liquid nitrogen boiling

• cells producing energy

• water freezing

• vinegar and baking soda fizzing

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following are examples of physical change?

• liquid nitrogen boiling

• burning coal

• water melting

• paper being cut into smaller pieces