C.4 Lessons 1-7 Review

What is the primary cause of ocean acidification?

• Increased carbon dioxide in the atmosphere

• Increased nitrogen levels in the ocean

• Decreased oxygen levels in the atmosphere

• Increased salinity in the ocean

Tags

NGSS.MS-ESS3-4

What is the effect of ocean acidification on oysters?

• It increases the growth rate of oysters

• It prevents oysters from building shells

• It makes oysters more resistant to diseases

• It enhances the flavor of oysters

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4

Which of the following is a function of oysters in the ecosystem?

• They decrease the water salinity

• They filter and clean the water

• They produce oxygen

• They increase the water temperature

Tags

NGSS.MS-LS2-5

What is the pH of a neutral substance?

• 3

• 14

• 0

• 7

What happens to the pH value with a tenfold change in H+ ion concentration?

• It changes by 1 on the pH scale

• It changes by 2 on the pH scale

• It changes by 0.5 on the pH scale

• It remains the same

What do all acids produce in aqueous solutions?

• Sodium ions (Na+)

• Chloride ions (Cl-)

• Hydroxide ions (OH-)

• Hydrogen ions (H+)

What is the molarity of a solution with 1 mole of solute in 1 liter of water?

• 1 molar

• 0.5 molar

• 10 molar

• 2 molar

What is the chemical formula for carbonic acid?

• HCl

• HNO3

• H2SO4

• H2CO3

What is the result of adding a product ion to a reversible reaction?

• The reaction stops

• The reaction moves in the reverse direction

• The reaction moves forward

• The reaction speeds up

Tags

NGSS.HS-PS1-5

NGSS.HS-PS1-6

What is the role of oysters in reducing impacts from storms?

• They absorb storm energy

• They build reefs that help hold coastal land in place

• They decrease water salinity

• They increase water temperature