Biology :18.12 : The importance of water

Write a paragraph explaining how adhesion, cohesion, and capillary action all enable water to go from the roots to the top of a tall tree.

polar bond hydrogen bond stick or attraction against gravity leaves or roots (mention them and it will mark it right)

Which type of bond forms between water molecules?

Hydrogen bond

Which point(s) in the water cycle below best illustrate(s) water changing to a gas, and which term(s) could describe it?

1; sublimation or evaporation

The table below shows the saturated thickness (water level) in five-year intervals. If water continues to be used at the current rate, what will the saturated thickness be in 2020?

8-10 meters

Based on this data, predict what will happen to the water in the Ogallala aquifer over the next decade.

The water will continue to decrease.

Which statement best explains why water is known as the universal solvent?

Water has the ability to dissolve more substances than any other liquid.

Which statement best explains why water is essential for all living things?

Water is necessary for cellular functions.

Which statement explains why hydrogen bonds are able to form between water molecules?

Water molecules are polar.

Which stores groundwater?

aquifer

Which best explains the surface tension of water?

cohesion

What is demonstrated by water moving up a straw?

cohesion and adhesion

Write a paragraph that describes the path that one drop of water takes as it moves through the water cycle. In your paragraph, include at least two changes in the form of water.

evaporation condensation sublimation precipitation discharge transpiration runoff (mention there for it to be marked correct)

Which process could cause ice to form a thin layer over a lake?

freezing

By which process do plants lose their water to the atmosphere?

transpiration

Which example illustrates adhesion?

water droplets sticking to a window