Geography
The process of eroding or being eroded by wind, water, or other natural agents.
Erosion
An early counting tool used for basic arithmetic.
Abacus
A punctuation marker used to show separation between parts of a sentence, such as clauses or phrases, where separation is important to the meaning.
Comma
The parts of an artwork that lie in the distance and appear to be behind objects in the foreground.
Background
The total surroundings (air, water, soil, vegetation, people, wildlife) influencing each living being's existence, including physical, biological and all other factors.
Environment
The envelope of gases surrounding the earth or another planet.
Atmosphere
The branch of mathematics that substitutes letters for numbers to solve for unknown values.
Algebra
The intended group of readers, listeners or viewers that the writer, designer, filmmaker or speaker is addressing.
Audience
A style of art in which shapes, designs, textures and colors are represented in a way that may look unrealistic, but that emphasizes moods or feelings.
Characterized by the use of geometric lines and shapes and bright, bold colors.
Abstract
A process of change that explains why what we see today is different from what existed in the past. It includes changes in the galaxies, stars, solar system, earth and life on earth.
Evolution
A body of beliefs, attitudes, skills, and tools communities use to structure their lives and interact with their environment.
Culture
A unit of measure equal to 1000 meters.
Kilometer
A word or phrase that has the opposite meaning of another word or phrase.
Antonym
A distinctive feature of an object or scene which can be seen most clearly close up
Distinctive
The complete elimination of a species from earth.
Extinction
The act of cutting down trees and clearing forests for human use.
Deforestation
All whole numbers, positive or negative, including zero.
Integers
Identify components and the relationship between them; draw out and relate implications.
Analyse
A design based on simples shapes, such as triangles, squares, rectangles and circles.
Geometric
A variable star that suddenly increases in brightness to several times its normal magnitude and returns to its original appearance in a few weeks to several months or years.
Nova
A functioning unit of nature defined by a complex set of relationships among its living organisms.
Ecosystem
A quadrilateral with two sets of opposite sides that are parallel.
Parallelogram
Show how things are different or opposite.
Contrast
Another word for color.
The scientific study of the properties, distribution and effects of water on the earth's surface, in the soil and underlying rocks and in the atmosphere.
Hydrology