Freshwater Test Most Missed Questions 2018

Sam threw an object into his backyard pool. The object will float if it _____.

• has more volume than water

• is more dense than the water

• has less volume than the water

• is less dense than the water

Which of the following describes the process of condensation?

• solid to liquid

• liquid to solid

• gas to liquid

• liquid to gas

Which best explains why so little of the water on Earth is available for human use?

• 97% of total water on Earth is freshwater, and most of the remaining 3% is salt water in the ocean basins.

• 97% of total water on Earth is salt water, and most of the remaining 3% is freshwater frozen in ice caps and glaciers.

• 97% of total water on Earth is freshwater, and most of the remaining 3% is salt water found in underground aquifers.

• 97% of total water on Earth is salt water, and most of the remaining 3% is freshwater found in lakes, rivers, and ponds.

Where is most of Earth’s water found?

• lakes

• rivers

• oceans

• underground

__________ are nutrients that are used by plants that can come from waste and fertilizer. It is a nitrogen and oxygen compound. An excess of these nutrients can lead to the "death" of a lake.

• nitrates

• divides

• runoff

• tributaries

Water is often called the universal solvent because __________________.

• it can cling to the fibers of paper and cloth.

• it exists in all three states on Earth.

• it dissolves so many substances.

• its frozen form floats on its liquid form.

Which of the following is an impermeable underground rock layer that holds water?

• groundwater

• aquifer

• well

• surface water

What property of water allows it to form into drops, due to the individual water molecules sticking together?

• cohesion

• adhesion

• capillary action

• density

What is the land area that supplies water to a river system called?

• estuary

• tributary

• watershed

• delta

As water moves slowly through a wetland, some waste materials settle out, some wastes are absorbed by plants, and silt and mud become trapped by plant roots. In this way, wetlands act as natural _________.

• filters

• habitats

• tributaries

• artesian wells