Water in the Environment Quiz

I. Matching:

_____ 1. Density A. Water can pass through

_____ 2. Porous B. Cycle of water from ocean to sky

_____ 3. Permeable C. Ability of water to stick to itself

_____ 4. Filter D. Measure of mass per unit volume

_____ 5. Aquifer E. Measure of salt content in water

_____ 6. Saturated F. Natural underground store of water

_____ 7. Cohesion G. Water is absorbed but trapped

_____ 8. Pollution H. Anything that contaminates nature

_____ 9. Salinity I. To remove excess particles from

_____10. Evaporation J. Completely filled or soaked with

II. True or False: Read each selection carefully before making choice

_____ 11. If something is porous it must be permeable

_____ 12. Layering occurs due to the settling of different densities

_____ 13. Oxygen is positive and Hydrogen is negative

_____ 14. Oil is less dense than water and therefore floats

_____ 15. Salt makes water less dense (harder to float)

_____ 16. It is easier to float in the ocean than in a swimming pool

_____ 17. Clay is the best material to use in water filtration

_____ 18. When ground is saturated it is full of water

_____ 19. Landfills do not affect groundwater quality

_____ 20. Algal blooms occur due to excess nutrients

III. Fill in the Blank: ** Bonus Section ** (2 pts each)

Phototactic organisms known as _______ are an important food source for _____ shrimp.

If something is _______ it is said to be able to be dissolved in water.