Water Shortage

What does it mean to "conserve" water?

• To use it until it is unusable

• To protect the hydrosphere for present and future generations

• To only use it in case of emergency

• All of the above

Tags

NGSS.MS-LS2-5

Clean water is a limited resource. Why is making safe to drink difficult?

• Some cities are not allowing water to come from the ocean

• There are not enough architects to help solve the problem

• Contaminated water is dirty and unsafe and it is difficult to clean especially in crowded cities

• Clean water is a precious resource

Pioneers were working on solving the safe water problem by...

• Testing the water coming from pipes and almost every sample was contaminated

• Coming up with a solution that was cheap and easy to use and would work for everyone

• Using the water from nearby clean sources and transporting it to places there was not clean water

• Adding large amounts of chlorine to the water

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

NGSS.MS-ETS1-3

Synthesize means to...

• Put together multiple pieces of information in order to understand something

• To restate the main points about something

• Repeat a process such as iterate

• Take apart multiple pieces if information in order to understand something

Tags

NGSS.MS-ETS1-3

NGSS.MS-LS2-3

Drops of water can form when

• The water drops form on the outside of a cup

• When enough water vapor gets cold and condenses into liquid water

• When there is warm water in the air

• When there is a leak in the solid holding the water

Tags

NGSS.MS-ESS2-4

Water molecules that were spread apart come together when...

• water molecules are close together in water

• When water vapor turns into liquid water

• When water vapor turns into solid water ice

• When seen at a nonoscale level

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

In the text "Drinking Cleopatra's Tears" an important objective is...

• The water on Earth today is the same water that was on Eart hundreds of years ago

• Synthesizing ideas can deter a scientist from finding correct answers

• When salt water evaporates the salt evaporates as well

• All of the above

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

Even though water does not disappear from Earth, we can have water shortages because...

• If people do not take care of the water it can become unusable for people because of Earth's limited freshwater supply

• Water can become solid and unusable for drinking

• There are many freshwater sources but not saltwater resources for water

• When people use water It cannot ever be used again

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-4

True or False When water changes from gas to liquid or liquid to gas, water molecules are not created or destroyed.

• TRUE

• FALSE

Tags

NGSS.MS-PS1-4

NGSS.MS-PS1-5

True or False The biosphere interacts with the hydrosphere when people use water.

• TRUE

• FALSE

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-4