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26 Cards in this Set

  • Front
  • Back
the mixture of gases that surrounds an astronomical object such as the Earth
preservation, management, and care of natural and cultural resources
the ability or power to work or make an effort
having no members of the species or family in existence, as is the case with many organisms known only from fossils
the power, strength, or energy that somebody or something possesses
Geographical features
Distinctive aspects of land
Life cycles
the series of changes of form and activity that a living organism undergoes from its beginning through its development to maturity and death
Magnetic attraction
attraction for iron; associated with electric currents as well as magnets; characterized by fields of force
substance: that which has mass and occupies space
Moon phases
The moon as it appears at a particular time in its cycle
Natural resources
A material source of wealth, such as timber, fresh water, or a mineral deposit, that occurs in a natural state and has economic.value
detect: discover or determine the existence, presence, or fact of;
the immediate descendants of a person or animal
the (usually elliptical) path described by one celestial body in its revolution about another
a living thing that has (or can develop) the ability to act or function independently
process of using energy in sunlight to convert water and carbon dioxide into carbohydrates and oxygen.
Physical change
a change that affects the size, shape or color of a substance but does not affect its composition
Physical properties
Any property of matter that can be observed by your senses.
undesirable state of the natural environment being contaminated with harmful substances as a consequence of human activities
an animal that lives by killing and eating other animals
An animal hunted or caught for food; quarry. One that is defenseless, especially in the face of attack; a victim.
The act or process of turning around a center or an axis:
Scientific method
principles and procedures for the systematic pursuit of knowledge involving the recognition and formulation of a problem, the collection of data through observation and experiment, and the formulation and testing of hypotheses
Solar system
The Sun and the collection of celestial bodies that orbit it.
Water cycle
Transition and movement of water involving evaporation, transpiration, condensation, precipitation, percolation, runoff, and storage.
Any of the chemical or mechanical processes by which rocks exposed to the weather undergo changes in character and break down.