| A | B |
|---|
| Minus | Made less by an amount; a sign (-) for a mathematical operation; negative |
| Plus | Made more by an amount; a sign (+) for a mathematical operation; positive |
| Rotate | To turn or to cause to turn around on a center. |
| Mankind | All human beings; the people of Earth |
| Isolate | To keep someone or something separate from others. |
| Illuminate | To provide with light or knowledge. |
| Circumference | The outside edge of a circle; the distance around the edge of something |
| Atom | The smallest possible piece of a substance. |
| Crack | A small break or opening. |
| Concrete | A building material made of cement, small stones, sand and water. |
| Cement | A substance made from various powders and water, which dries to be hard like stone. |
| Core | The central or most important part of something. |
| Cone | A three-dimensional shape, similar to a triangle, with a circular base. |
| Cube | A three-dimensional shape with six flat, square sides of equal size, which meet at right angles. |
| Dimension | The measure of the length, width, or height of something. |
| Triangle | A shape with three sides and three angles. |
| Rectangle | A shape with four sides and four equal angles. |
| Shape | The outer form of something. |
| Classify | To put into categories; to organize according to type. |
| Botany | The scientific study of plants. |
