Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/26

Click to flip

26 Cards in this Set

  • Front
  • Back
Atmosphere
the mixture of gases that surrounds an astronomical object such as the Earth
Conservation
preservation, management, and care of natural and cultural resources
energy
the ability or power to work or make an effort
extinct
having no members of the species or family in existence, as is the case with many organisms known only from fossils
force
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
matter
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
observe
detect: discover or determine the existence, presence, or fact of;
Offspring
the immediate descendants of a person or animal
orbit
the (usually elliptical) path described by one celestial body in its revolution about another
Organism
a living thing that has (or can develop) the ability to act or function independently
photosynthesis
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.
Pollution
undesirable state of the natural environment being contaminated with harmful substances as a consequence of human activities
predator
an animal that lives by killing and eating other animals
prey
An animal hunted or caught for food; quarry. One that is defenseless, especially in the face of attack; a victim.
Rotation
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.
weathering
Any of the chemical or mechanical processes by which rocks exposed to the weather undergo changes in character and break down.