Water
Vocabulary
1. Aquifer
Definition: A
water-bearing bed of permeable rock, sand, or gravel capable of yielding
considerable quantities of water.
Context: Beneath our feet,
water permeates rock and gravel, forming aquifers.
2. Contaminate
Definition: To render unfit
for use by the introduction of unwholesome or undesirable elements.
Context: Chemicals in soil can contaminate
nearby waters.
3. Evaporate
Definition: To dissipate as a visible cloud or
in particles that are too minute to be visible.
Context: In the water cycle, water
evaporates, forms clouds, rains, and evaporates again.
4. Irrigate
Definition: To supply with water by artificial
means.
Context: Water from the river was used to
irrigate nearby fields.
5. Percolate
Definition: To cause a liquid to pass through a
permeable substance.
Context: As water percolates through the
soil and cracks in rocks, it picks up mineral matter.
6. Radiation
Definition: Radiation is energy that comes from a source and travels through
some material or through space. Light, heat and sound are types of radiation.
Context: The radiation from the sun helps
plants grow.
7. Reservoir
Definition: A place where something is kept in
store.
Context: To create the reservoirs,
precious valley bottoms were flooded, drowning farm and forest.
8. Toxin
Definition: Any of various poisonous substances
that are specific products of the metabolic activities of living organisms.
Context: High levels of toxins present in
the eels brought the fishery to a near standstill.
9. Wetland
Definition: Land containing much soil moisture.
Context: Wetlands sustain life and purify
water that moves through them.
10. Habitat
Definition: The physical location
or type of environment in
which an organism or biological population lives or occurs.
Context: Many endangered species vanish because their habitat
vanishes.
11. Lagoon
Definition:
Context: Birds can find food more easily in a quiet lagoon.
12. Marine
Definition:
Context: A marine sanctuary is a place where plants, animals, and
even rocks and shells, are protected.
13. Ecosystem
Definition:
An
ecosystem is a system whose members benefit from each other's participation via
symbiotic relationships
Context: Soil, water, algae, insects, fish and frogs are some of the
organisms that make up the ecosystem of a pond.
14. Estuary
Definition:
Context: In an estuary fresh and salt water
meet.
15. Tidal wrack
Definition:
Context: The tidal wrack smelled bad and attracted a lot of flies.
16. Watershed
Definition:
Context: Communities that share a watershed should do resourcel
planning together.