Level-Up- Week 5 Water and Oceans

Multiple Choice

Substances that dissolve easily in water are called...

• Anhydrous

• Hydrophilic

• Hydrophobic

• Hydrospheric

Multiple Choice

Why do icebergs float?

• Because they are filled with air pockets

• Because ice is less dense than liquid water

• Because ice is colder than water

• Because ice is hydrophobic

Multiple Choice

Approximately how much of the Earth's surface is covered with water?

• 9/10

• 1/3

• 3/4

• 1/2

Multiple Choice

How does the amount of freshwater on Earth compare to the amount of saltwater on Earth?

• There is much more saltwater on Earth than freshwater.

• There is slightly more saltwater on Earth than freshwater.

• The amount of saltwater and freshwater on Earth is equal.

• There is much less saltwater on Earth than freshwater.

Multiple Choice

Why is more than half of Earth’s fresh water supply difficult to use?

• Lakes and streams are heavily polluted.

• It is groundwater, and is difficult to locate.

• It is frozen into polar ice caps and glaciers.

• It is deep in the Earth where drilling a well is difficult.

Match

Match the ocean with the description

• Arctic

• Atlantic

• Indian

• Pacific

• Southern

Smallest ocean

Nearest ocean to you right now

Warmest ocean on average

Largest ocean by volume & surface area

Used to be called Antarctic Ocean

• Smallest ocean

• Nearest ocean to you right now

• Warmest ocean on average

• Largest ocean by volume & surface area

• Used to be called Antarctic Ocean

Multiple Choice

In what ocean zone do coral reefs grow?

• epipelagic zone

• mesopelagic zone

• abyssopelagic zone

• hadopelagic zone
  

Reorder

Reorder the ocean zones from the surface down to the deepest seafloor

• Epipelagic Zone

• Mesopelagic Zone

• Bathypelagic Zone

• Abyssopelagic Zone

• Hadopelagic Zone

1

2

3

4

5

• 1
• 2
• 3
• 4
• 5

Multiple Choice

Where are hydrothermal vents found?

• continental shelves

• continental rises

• abyssal plains

• deep-sea trenches

Match

Match the type of sea floor structure with the description

• Seamount

• Mid-Ocean Ridge

• Continental Shelf

• Abyssal Plain

• Trench

Underwater mountain, may form islands

Mountain chain at divergent boundary

Gently sloping at the edge of the land

Flat area in the deep ocean

Very deep valley at conv

• Underwater mountain, may form islands

• Mountain chain at divergent boundary

• Gently sloping at the edge of the land

• Flat area in the deep ocean

• Very deep valley at conv

Multiple Choice

Which statement about oceans is true?

• Pressure is lower on the ocean floor.
• Water temperature increases with depth.
• More photosynthesis occurs in the warmer surface waters.
• The colder, deeper waters are less dense than the surface waters.
  

Multiple Choice

Which statement best describes how nutrients move in the ocean as a result of upwelling?

• Nutrients move from rivers into the epipelagic zone.

• Nutrients move from warm, shallow areas to deep, colder areas.
• Nutrients move from the epipelagic zone to the hadopelagic zone.

• Nutrients move from deep, colder areas to warm, shallow areas.
  

Multiple Choice

What are the "medium-sized" tides that occur across the entire Earth during the Quarter Moon?

• spring tides

• gibbous tides

• neap tides

• new tides