Carbon Cycle, Waves, Tides

Which THREE gases are most important for marine organisms in the ocean?

• oxygen

• hydrogen

• carbon dioxide

• nitrogen

What is the main source of carbon dioxide in the ocean?

• respiration from plants

• photosynthesis from plants

• respiration from animals

• photosynthesis from animals

Dead organisms and waste decompose and become...

• lava

• carbon atoms

• fairies

• fossil fuels

Tags

NGSS.MS-LS2-3

T/F: The ocean's pH is typically higher than pure water.

• TRUE

• FALSE

Tags

NGSS.MS-PS1-2

What is ocean acidification?

• Increase in ocean pH caused by increased carbon levels

• Decrease in ocean pH caused by increased carbon levels

• Increase in ocean pH caused by decreased carbon levels

• Decrease in ocean pH caused by decreased carbon levels

Tags

NGSS.MS-PS1-2

NGSS.MS-ESS2-4

What is wavelength?

• How far a wave travels

• How tall a wave is

• Distance from crest to crest between two waves

• Distance from crest to trough of a single wave

Tags

NGSS.HS-PS4-1

Which is NOT a wave generating force?

• Wind

• Earthquake

• Landslide

• Fetch

What causes a wave to break?

• When the crests to two waves meet

• When the crest of one wave meets the trough of another

• When the top of a wave moves slower than the bottom of a wave

• When the bottom of a wave moves slower than the top of a wave

How many high tides and how many low tides occur in a 24-hour period?

• 1 high tide, 1 low tide

• 2 high tides, 2 low tides

• 1 high tide, 2 low tides

• 2 high tides, 1 low tide

Which factor has the greatest effect on tides?

• Gravitational force of the sun

• Gravitational force of Earth

• Gravitational force of the moon

• Gravitational force of Mars

Tags

NGSS.MS-ESS1-1