A shape is the form of an object or its external boundary, outline, or external surface, as opposed to other properties such as color, texture, or material composition. Psychologists have theorized that humans mentally break down images into simple geometric shapes called geons. Examples of geons include cones and spheres.
Color or colour is the characteristic of human visual perception described through color categories, with names such as red, blue, yellow, green, orange, or purple. This perception of color derives from the stimulation of cone cells in the human eye by electromagnetic radiation in the spectrum of light.
Let’s learn Shapes & Colors Vocabulary in English
Shapes Vocabulary – Video
Colours/Colors Vocabulary – Video
Shapes Vocabulary in English
Some simple shapes can be put into broad categories. For instance, polygons are classified according to their number of edges as:
1. Triangles
- Equilateral
- Isosceles
- Obtuse
- Acute
- Scalene
...
2. Quadrilaterals
- Rectangles
- Rhombi
- Trapezoids
- Squares
...
3. Pentagons
Other common shapes are:
1. Points
2. Lines
3. Planes
4. Conic sections:
- Ellipses
- Circles
- Parabolas.
The most common three-dimensional shapes are:
1. Polyhedra (which are shapes with flat faces)
2. Ellipsoids (which are egg-shaped or sphere-shaped objects)
3. Cylinders
4. Cones
Colors Vocabulary in English
Names of the most common colors in English:
- Black
- Brown
- Gray
- White
- Yellow
- Orange
- Red
- Pink
- Purple
- Blue
- Green
...
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