Hydrosphere

Based on the map, which statement is the best conclusion?

• The majority of Earth's surface is covered in land

• The majority of the Earth's surface is covered by mountain ranges.

• The majority of the Earth's surface is covered by volcanoes.

• The majority of the Earth's surface is covered by water.

Tags

NGSS.MS-ESS2-4

Study the graph below.  What is the dissolved solid that is most commonly found in Earth's oceans?

• calcium

• magnezium

• sulfur

• sodium chloride (salt)

Landform C in the diagram below is a flat area at the bottom of the ocean where sediments settle.  What is landform C?

• continental slope

• abyssal plain

• continental shelf

• mid-ocean ridge

According to the graph below, what happens to the density of a substance as its salinity increases (as you move up on the y-axis)?  (Helpful tip: pick at least 2 salinities and find their densities on the graph.  Compare.)

• As salinity increases, density stays the same.

• As salinity increases, density decreases.

• As salinity increases, density also increases.

Which of the following is caused by the gravitational pull of the moon and sun?

• ocean waves

• ocean tides

• ocean currents

Tags

NGSS.MS-ESS1-2

Which ocean is marked in the image?

• Pacific Ocean

• Indian Ocean

• Atlantic Ocean

• Arctic Ocean

Which Ocean is marked in the image?

• Pacific Ocean

• Atlantic Ocean

• Indian Ocean

• Southern Ocean

Which ocean is marked in the image?

• Atlantic Ocean

• Arctic Ocean

• Southern Ocean

• Indian Ocean

Water on Earth is either freshwater or saltwater. What is the percent ratio of freshwater to percent saltwater on Earth?

• 1% freshwater : 99% saltwater

• 3% freshwater : 97% saltwater

• 30% freshwater : 70% saltwater

• 50% freshwater : 50% saltwater

Tags

NGSS.MS-ESS2-4

Where is 97% of the Earth's water located?

• Rivers and Lakes

• Glaciers and Icecaps

• oceans

• groundwater

Tags

NGSS.MS-ESS2-4