Marine Science I- Chapter 3 quiz

What percentage of water are jellyfish made up of?

• 70%

• 80%

• 90%

• 95%

What are water molecules made up of?

• Two oxygen atoms and one hydrogen atom

• One oxygen atom and two hydrogen atoms

• Two hydrogen atoms and two oxygen atoms

• One hydrogen atom and two oxygen atoms

Tags

NGSS.MS-PS1-1

What type of bonds are formed between adjacent water molecules?

• Covalent bonds

• Ionic bonds

• Hydrogen bonds

• Metallic bonds

What does temperature reflect in terms of molecules?

• The size of the molecules

• The speed of the molecules

• The weight of the molecules

• The color of the molecules

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What happens to water molecules when water COOLS?

• They move faster and spread apart

• They move slower and are packed together more tightly

• They form a gas

• They evaporate

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What percentage of dissolved material in seawater is composed of six ions?

• 50%

• 75%

• 99%

• 60%

Tags

NGSS.MS-PS1-2

How can temperature and salinity be measured in the ocean?

• By using a barometer

• By using a hydrometer

• By using Niskin bottles and thermometers

• By using a compass

What is gas exchange in the ocean?

• The process of gases dissolving in water

• The reverse of gases dissolving, where gases are released to the atmosphere

• The mixing of gases within the ocean

• The absorption of gases by marine organisms

What affects the transparency of water near the coast?

• Temperature changes

• Suspended and dissolved material

• Ocean currents

• Salinity levels

What color tint do coastal waters often have due to material brought in by rivers?

• Blue

• Greenish

• Red

• Yellow

Tags

NGSS.MS-ESS2-4