Investigating Water: Where Is Water

The video tutorial discusses the importance and usage of water in daily life, focusing on fresh water. It explains the characteristics of fresh water, its sources such as lakes, rivers, and groundwater, and contrasts it with salt water found in oceans, which is not drinkable. The tutorial emphasizes the convenience of accessing fresh water at home and highlights the vast presence of water on Earth, mostly as salt water.

What is the primary characteristic of fresh water that makes it suitable for drinking?

• It is carbonated.

• It is colored.

• It is salty.

• It has little taste.

Which of the following is a large moving body of fresh water?

• Pond

• River

• Lake

• Ocean

Where can fresh water be found beneath the Earth's surface?

• In the ocean

• In the clouds

• In the ground

• In the atmosphere

What fraction of Earth's surface is covered with water?

• Half

• One quarter

• One third

• Three quarters

Why can't humans drink ocean water?

• It is salty.

• It is polluted.

• It is too cold.

• It is too hot.