Why is Earth often referred to as the 'blue planet'?

• Because it has a lot of forests

• Because it has a lot of mountains

• Because it has a lot of deserts

• Because it has a lot of water

Tags

NGSS.MS-ESS2-4

In which forms can water be found on Earth?

• Only in liquid form

• In solid, liquid, and gaseous forms

• Only in solid form

• Only in gaseous form

Tags

NGSS.5-ESS2-2

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

• 71%

• 97%

• 29%

• 50%

Tags

NGSS.MS-ESS2-4

What is the main reason marine water is not suitable for drinking?

• It has a lot of fish

• It is too hot

• It has a high amount of dissolved salts

• It is too cold

What percentage of Earth's water is fresh water?

• 3%

• 50%

• 29%

• 71%

Tags

NGSS.MS-ESS2-4

Where is the majority of Earth's fresh water found?

• In rivers and lakes

• In the atmosphere

• In underground reservoirs

• In glaciers and ice caps

Tags

NGSS.MS-ESS2-4

Why is it important to conserve water?

• Because it is limited and essential for life

• Because it is expensive

• Because it is abundant

• Because it is dirty

Tags

NGSS.MS-ESS2-4

What famous line from the 'Rime of the Ancient Mariner' is mentioned in the video?

• Water, water everywhere, but not a drop to drink

• To be or not to be, that is the question

• All the world's a stage

• A thing of beauty is a joy forever

Approximately what percentage of the human body is made up of water?

• 50%

• 80%

• 60%

• 70%

How long can an average person survive without water?

• Nearly a month

• About a week

• Two weeks

• Three days