Water Bodies and Their Characteristics

The video explores various bodies of water, including oceans, lakes, rivers, and streams. It highlights the differences between saltwater and freshwater bodies, the significance of each type, and their roles in the ecosystem. Oceans are the largest and contain most of the Earth's water, while lakes and rivers provide essential freshwater. Streams, similar to rivers, support diverse ecosystems. The video emphasizes the importance of water for life on Earth.

What percentage of the Earth's surface is covered by water?

• 80%

• 50%

• 60%

• 70%

Which type of water is found in oceans?

• Distilled water

• Brackish water

• Saltwater

• Freshwater

What is the deepest part of the ocean called?

• Mariana Trench

• Tonga Trench

• Java Trench

• Challenger Deep

Which tiny organisms in the ocean produce a significant amount of Earth's oxygen?

• Zooplankton

• Phytoplankton

• Coral

• Seaweed

What is a man-made lake typically called?

• Pond

• Reservoir

• Lagoon

• Basin

Which is the largest freshwater lake in the world by surface area?

• Lake Superior

• Lake Victoria

• Lake Tanganyika

• Lake Baikal

What is the term for the beginning of a river?

• Delta

• Source

• Tributary

• Mouth

Which river is known to have carved out the Grand Canyon?

• Mississippi River

• Colorado River

• Amazon River

• Nile River

What is another name for a small river?

• Pond

• Stream

• Ocean

• Lake

Which of the following is not a name for a stream?

• Branch

• Creek

• Gulf

• Bayou