Igneous rocks are found within the earth’s crust. The earth’s interior temperature is high and results in volcanic activity. Molten magma erupts to the earth’s surface, where the temperature is low. Molten magma solidifies rapidly on cooling to form a glassy solid with fine grains. Magma is made of igneous rocks. When molten magma (lava) …
In psychology, schemata (schema is the singular) are units of knowledge through which people understand and interpret the world. They can consist of objects, people, events, or any other thing that we encounter in life or our environment. By having a mental image or constructing these items in our minds, we have a framework for …
The relationship between two variables can be represented graphically. When the rate of change for both variables is constant, the relationship between these two variables is represented by a straight line. When the rate of change is constantly varying, the relationship between the two variables is represented graphically by a curve. Instantaneous rate of change …
Before studying nonlinear relationships, you likely were introduced to linear relationships. This introduction gives you a much simpler way of creating and using predictive models. However, without studying nonlinear relationships, much of the world around us would not be understood. That is because most physical and statistical situations in the real world are nonlinear and …
Triangles are one of the most common geometric shapes we encounter daily. Our food, jewelry, and the structures around us feature these fascinating shapes. However, have you ever taken the time to observe these triangles and determine what type of triangles they are? There are different types of triangles. These include equilateral, scalene, and isosceles …
Decimal numbers are numbers with a point placed in them to separate some of their digits. For example, the decimal number 98.04 has a point between 8 and 0. Decimals are just a different way of expressing fractions. For example, you can express 1/4 as 0.25. This is done by dividing your fraction completely so that you …
Optimization has become a buzzword today. The world is all about optimization. When something is optimized, it is at its ‘best. Engineers are constantly looking for ways to get the best performance out of machines. Athletes look for ways to get their bodies to perform at the best level. We look for ways to push …
