Water

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

• 10%

• 25%

• 70%

• 90%

Tags

NGSS.MS-ESS2-4

How much water does one person require to meet basic needs every day?

• 5L

• 9L

• 14L

• 25L

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

How long ago did marine cyanobacteria start releasing oxygen into our atmosphere?

• a few weeks ago

• 3 million years ago

• 3 billion years ago

• 3 trillion years ago

Tags

NGSS.MS-LS2-3

NGSS.MS-LS4-1

What percentage of Earth's total water is accessible fresh water?

• 0.5%

• 5%

• 10%

• 15%

Tags

NGSS.MS-ESS2-4

What is the chemical formula of water?

• HO

• HO₂

• CO₂

• H₂O

Tags

NGSS.MS-PS1-1

How many molecules of water make up a single drop of water?

• 10

• 10,000

• one million

• one billion billion

True or False? Water is known as the universal solvent.

• True

• False

What toxins can contaminate water?

• heavy metals

• organic wastes

• disease-causing organisms

• all of these

Tags

NGSS.MS-LS2-4

NGSS.MS-PS1-2

True or False? Humans have been able to survive almost everywhere on Earth because water is so readily available.

• True

• False

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-1

NGSS.MS-LS2-1

What does water do better than any other liquid?

• dissolves substances

• make is thirsty

• freeze

• boil

Tags

NGSS.MS-ESS2-4