Unit 1 test

When the temperature of seawater increases what happens?

• nothing happens

• the salinity decreases

• the density decreases

• the solubility increases

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Why does the states of solid, liquid, and gas change?

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is the dot and cross example for water?

• 
• 
• 
• 

Tags

NGSS.MS-PS1-1

what bonds share electrons?

The kinetic particle theory states that all matter consists of many small particles which are constantly doing what?

Tags

NGSS.MS-PS1-4

water is what type of bond

• covalent

• iconic

• hyrdrogen

why is water polar?

• Because of the charged particles

• Becuase it has ionic bonds

• unequal sharing of electrons

• hyrdrogen bonds make it polar

atoms that have a charge

what happens between ionic bonds

• one atom gains or loses an electron

• the electrons are shared

• the bonds get broken

• nothing happens

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

what are the three salts found in seawater?

• caclcium carbonate (CaCo3)

• magesium sulfate (mgSo4)

• sodium chloride (NaCl)

• floruine