8th Grade Hydrosphere

Front

What is the primary source of Earth's water?

Back

The primary source of Earth's water is the oceans, which contain about 97% of the planet's water.

Tags

NGSS.MS-ESS2-4

Front

What percentage of Earth's water is freshwater?

Back

Only about 3% of Earth's water is freshwater.

Front

What are the two main types of water found on Earth?

Back

The two main types of water found on Earth are saltwater (found in oceans) and freshwater (found in rivers, lakes, glaciers, etc.).

Front

What is sonar and how is it used in oceanography?

Back

Sonar (Sound Navigation and Ranging) is a technology that uses sound waves to detect and locate objects underwater, providing detailed information about the topography of the ocean floor.

Tags

NGSS.MS-PS4-2

Front

What does a low pressure system indicate on a weather map?

Back

A low pressure system indicates areas where the atmospheric pressure is lower than surrounding areas, often associated with cloudy and rainy weather.

Tags

NGSS.MS-ESS2-5

Front

What type of weather is typically associated with a low pressure system?

Back

Low pressure systems are typically associated with lousy, cold, and rainy weather.

Tags

NGSS.MS-ESS2-5

Front

Where is the majority of Earth's freshwater stored?

Back

The majority of Earth's freshwater is stored in glaciers and polar ice caps.

Tags

NGSS.MS-ESS2-4

Front

What is the significance of the 1944 mL mark in the water bottle analogy?

Back

The 1944 mL mark represents the proportion of ocean water in the total water volume, illustrating the vast amount of saltwater compared to freshwater.

Front

What is the role of glaciers in the hydrosphere?

Back

Glaciers play a crucial role in the hydrosphere by storing freshwater and influencing sea levels.

Tags

NGSS.MS-ESS3-1

Front

How does the distribution of water on Earth affect climate?

Back

The distribution of water affects climate by regulating temperatures, influencing weather patterns, and affecting precipitation.

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-6