Hydrosphere

Around _____ of Earth's water is available for us to drink

• 1%

• 15%

• 30%

• 50%

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

What makes Earth different from the other planets in our solar system?

• Earth has water

• The size of Earth

• Earth has a moon

• Earth is the closest planet to the sun

Tags

NGSS.MS-ESS2-4

Study the graph below.  Where is most of the Earth's water located?

• Rivers and Lakes

• Glaciers and Icecaps

• oceans

• groundwater

Tags

NGSS.MS-ESS2-4

Why is MOST of the freshwater on Earth not available for our use?

• All freshwater on Earth is easily accessible for use.

• It is frozen in the icecaps and glaciers.

• It is surface water.

• It is underground.

Tags

NGSS.MS-ESS2-4

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 stage is most likely going to occur on a warm, sunny day?

• precipitation

• condensation

• evaporation

Tags

NGSS.MS-ESS2-4

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.

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

Tags

NGSS.MS-ESS2-3

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

• ocean waves

• ocean tides

• ocean currents