H2O Properties
Water Cycle
Surface/Ground
Ocean Currents
Human Impact
100

Which of the following is an example of cohesion?

A. water transforming into vapor

B. water soaking into a paper towel

C. water slowly dissolving rocks over time

D. water forming droplets during a rainstorm

D. water forming droplets during a rainstorm

100

As water changes state, the water either absorbs or releases energy. Which of these answers is a process that releases energy?

A. ice subliming

B. snow melting

C. lake water freezing

D. ocean water evaporating

C. lake water freezing

100

Water moves under Earth's surface to fill open spaces. What is the top of this underground water called?

A. watershed

B. water table

C. groundwater

D. surface water

B. water table

100

Two types of water currents are

A. local and global

B. sea and land

C. surface and deep

D. warm and cold

C. surface and deep

100

Which of the following best describes the relationship between developing nations, clean water, and human health?

A. Many developing nations lack access to clean water; this can harm human health.

B. Clean water is never available in developing nations, so human health is always a major issue there.

C. Human health does not depend on clean water; health issues in developing nations are not related to water.

D. Contaminated water and human health is not a problem in developing nations, but it is a problem in developed nations.

A. Many developing nations lack access to clean water; this can harm human health.

200

Why does solid water (ice) float when placed in liquid water?

A. Ice does not float in liquid water.

B. Ice is less dense than liquid water.

C. Ice is more dense than liquid water.

D. The densities of liquid water and ice are the same.

B. Ice is less dense than liquid water.

200

Which statement correctly describes a difference between gaseous and liquid water?

A. Only liquid water takes the shape of its container.

B. Only water vapor takes the shape of its container.

C. Only liquid water expands to fill the available space.

D. Only water vapor expands to fill the available space.

D. Only water vapor expands to fill the available space.

200

River processes have a great impact on the land surface. Which of the following carries the greatest amount of water?

A. river

B. stream

C. tributary

D. river system

D. river system

200

Surface currents are a result of

A. Global Wind Patterns

B. Earth's Rotation

C. Density

D. All of the above

D. All of the above

200

Humans can cause different types of environmental pollution. Which type of pollution is directly caused by humans dumping the remains of dead organisms into bodies of water?

A. air pollution

B. biological pollution

C. chemical pollution

D. thermal pollution

B. biological pollution

300

What property of water allows it to be such a versatile solvent that it is often called the "universal solvent?" 

A. Water is very pure.

B. Water is polar.

C. Water has surface tension.

D. Water is less dense as a solid than as a liquid.

B. Water is polar.

300

A weather report stated that rain was likely with some snow and hail also possible. Which statement is not true about rain, snow, and hail?

A. They all form in clouds.

B. They are all precipitation.

C. They are all the same state.

D. They are all made of water.

C. They are all the same state.

300

Which of the following would increase the effect of erosion in a watershed?

A. floodplains

B. steep slope

C. lack of soil

D. abundant plant life

B. steep slope

300

The following map shows winds and surface currents in the Northern Hemisphere.

What is the relationship between the white arrows and the black arrows in this map?

A. The winds represented by white arrows are caused by the currents represented by black arrows.

B. The currents represented by black arrows are caused by the winds represented by white arrows.

C. The winds represented by the white arrows and the currents represented by the black arrows alternate; sometimes the winds cause the currents, and sometimes the currents cause the winds.

D. There is no relationship between the winds represented by the white arrows and the currents represented by the black arrows.

B. The currents represented by black arrows are caused by the winds represented by white arrows.

300

The bar graph below shows the pH values of several substances.

Which substance is the strongest base?

A. milk

B. bleach

C. seawater

D. lemon juice

B. bleach

400

A water molecule contains two hydrogen atoms and one oxygen atom. Which of the following statements about water molecules is true?

A. All of the atoms have a positive charge.

B. All of the atoms have a negative charge.

C. The oxygen atom is positively charged and the hydrogen atoms are negatively charged.

D. The oxygen atom is negatively charged and the hydrogen atoms are positively charged.

D. The oxygen atom is negatively charged and the hydrogen atoms are positively charged.

400

A river flowing downhill transports matter toward its base. Matter can be dissolved in the water or can be in the form of sediment. Which form of matter would be dissolved in the water?

A. sand

B. leaves

C. pebbles

D. minerals

D. minerals

400

Which of the following characteristics of a watershed would act to reduce erosion?

A. large floodplain areas

B. soil with a high porosity

C. a large number of lakes

D. channels with a low gradient

B. soil with a high porosity

400

During the day, water from the ocean is transferred to the atmosphere. Which of the following describes the energy change that takes place during the transfer?

A. Energy is transported from the atmosphere to the ocean, which makes the ocean cooler.

B. Energy is transported from the atmosphere to the ocean, which makes the ocean warmer.

C. Energy is transported from the ocean to the atmosphere, which makes the atmosphere cooler.

D. Energy is transported from the ocean to the atmosphere, which makes the atmosphere warmer.

D. Energy is transported from the ocean to the atmosphere, which makes the atmosphere warmer.

400

Urbanization occurs when:

A. rural areas undergo development and become urban areas

B. urban areas undergo development and become rural areas

c. suburban areas undergo development and become urban areas

A. rural areas undergo development and become urban areas

500

Large bodies of water do not quickly fluctuate in temperature. Why?

A. Water is a solvent.

B. Water has a high specific heat.

C. Water has a low pH.

D. Water is non-polar.

B. Water has a high specific heat.

500

One measure of water quality is the cloudiness of the water. Which of these terms describes this measure?

A. pH

B. potable

C. turbidity

D. temperature

C. turbidity

500

The diagram shows a side view of several layers of rock below Earth's surface.

Which rock layer provides the best long-term storage of groundwater?

A. Layer I

B. Layer II

C. Layer III

D. Layer IV

C. Layer III

500

Cindi’s teacher gives her a map of the world. On her map, Cindi draws lines with arrows to show some of the major surface currents in the oceans. Her map looks similar to the map below

What conclusion about Earth’s surface currents could someone draw by looking at Cindi’s map?

A. Surface currents in the Eastern Hemisphere flow in a counterclockwise direction.

B. Surface currents in the Western Hemisphere flow in a counterclockwise direction.

C. Surface currents in the Southern Hemisphere flow in a counterclockwise direction.

D. Surface currents in the Northern Hemisphere flow in a counterclockwise direction.

C. Surface currents in the Southern Hemisphere flow in a counterclockwise direction.

500

Over the course of many years, a rural farm town becomes more urban. Which of the following will most likely happen in the town as a result of this urbanization?

A. The amount of rainfall will increase.

B. Rivers may be contaminated by sewage.

C. Light pollution in the town may decrease.

D. People will develop more farms in the town.

B. Rivers may be contaminated by sewage.

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