Indiana Science Grade 6

Chapter 6: Water

Water

1.
Water moves up plant stems by __________.
A)polarity
B)density
C)gravity
D)capillary action
2.
When water is freezing, the temperature __________.
A)slowly increases
B)does not change
C)slowly decreases
D)rapidly decreases
3.
Oil floats on water because it is __________.
A)more dense
B)lighter
C)less dense
D)heavier
4.
Seventy-seven percent of Earth's freshwater is __________.
A)in rivers
B)underground
C)ice
D)in lakes
5.
Water used for irrigation can come from all of the following EXCEPT __________.
A)clouds
B)rivers
C)lakes
D)underground
6.
Water can form drops because of __________.
A)density
B)capillary action
C)cohesion
D)specific heat
7.
Boating and water skiing are examples of water used for __________.
A)transportation
B)recreation
C)agriculture
D)production
8.
Which of the following is an example of density?
A)4.3° C
B)4.3 g/cm3
C)4.3 cm3
D)4.3 g
9.
Water droplets form when water vapor __________.
A)condenses
B)polarizes
C)evaporates
D)heats up
10.
Which of the following statements about water is true?
A)Warm water has more molecules per unit of volume than cold water.
B)Cold water is less dense than warm water.
C)Cold water has fewer molecules per unit of volume than warm water.
D)Warm water is less dense than cold water.
11.
About 47 percent of the water in the United States is used for __________.
A)transportation
B)industry
C)household use
D)agriculture
12.
The human body is nearly __________ percent water.
A)90
B)50
C)70
D)20
13.
Because of water's __________, it cools more slowly than sand.
A)density
B)polarity
C)specific heat
D)calories
14.
Water found underground in layers of rock and sediment is called __________.
A)a reservoir
B)surface water
C)groundwater
D)an aquifer
15.
Pure water freezes at __________ ° C.
A)32
B)100
C)0
D)212
16.
Atmospheric water vapor helps keep Earth warm by __________.
A)reflecting solar radiation
B)absorbing solar energy
C)producing clouds
D)moving energy around
17.
Water in gas form is called __________.
A)liquid
B)ice
C)solid
D)vapor
18.
Which form of water has the lowest density?
A)solid
B)liquid
C)ice
D)vapor
19.
Water returns to the atmosphere by the process of __________.
A)radiation
B)evaporation
C)precipitation
D)condensation
20.
Mulching the ground around plants and installing drip tubes above plant roots are examples of conservation methods used in __________.
A)agriculture
B)industry
C)transportation
D)mining
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