Wordly Wise Level 6 Lesson 9

We should treat water with more respect than we do.  This natural ____________seems so plentiful that we take it for granted. 

• accumulation
• contamination
• resource
• extravagance

Tags

CCSS.RI.K.4

Until the rain cycle started, there could be no life.  This ______________climate change took place when the earth was half a million years old. 

• conserve
• drastic
• frugal
• vital

Tags

CCSS.RI.K.4

CCSS.RL.K.4

Rainfall is distributed very unevenly over the earth's surface.  A ____________lack of rain eventually causes deserts to form

• perpetual
• perilous
• vital
• frugal

Tags

CCSS.RI.K.4

Cities built in desert areas depend on outside sources for their water supply.  Deserts were not meant to ______________large populations

• substitute
• peril
• sustain
• conserve

Tags

CCSS.RI.K.1

CCSS.RI.K.2

CCSS.RI.K.4

It's important to keep pollutants out of the water supply.  Failure to do so _____________the health of those who drink form it.

• conserves
• contaminates
• imperils
• substitutes

Tags

CCSS.L.K.4A

CCSS.RI.K.4

There are no simple answers when it comes to finding the sources of water pollution.  The _____________of the water supply can have numerous causes. 

• contamination
• contaminate
• extravagance
• resource

Tags

CCSS.L.K.4A

CCSS.RI.K.4

CCSS.RL.K.4

Water samples are sent to laboratories to make sure the water is safe to drink.  There it is tested by technicians for any ______________________.

• resources
• substitutes
• accumulations
• impurities

Tags

CCSS.RI.K.1

CCSS.RI.K.4

Chemical pesticides are carried into streams and ponds by runoff.  These chemicals do not go away but __________________in the water supply. 

• contaminate
• substitute
• accumulate
• aggravate

Tags

CCSS.RI.K.1

CCSS.RI.K.4

The harm that chemicals can do may not be known at first.  Once the problem is discovered, safer substances can often be _______________for them. 

• aggravated
• substituted
• conserved
• sustained

Tags

CCSS.L.K.4A

CCSS.RI.K.4

Clean water is essential for good health.  It is _______________, therefore, that we do everything we can to keep the water supply pure.   

• drastic
• perpetual
• frugal
• vital

Tags

CCSS.L.K.4A

CCSS.RI.K.4

CCSS.RL.K.4