## Mood Ring Colors and Mood Ring Meanings

In 1975, inventors Maris Ambats and Josh Reynolds created the first mood ring. This ring changes colors in response to body temperature, possibly reflecting the emotion associated with the wearer. After the rings were invented, they were an instant sensation; however, despite the high price tag. A silver ring costs about \$45, although a gold … Read more

## Famous Criminals’ Last Words

Some people say crazy things moments before they are executed. The most famous and bizarre last words of criminals who face their own appointment with the Grim Reaper. Ted Bundy On the night before Ted Bundy was executed, he spent most of his time crying and praying. On January 24, 1989, at 7 a.m. Bundy … Read more

## What is a Pentagon Shape?

The Pentagon is a polygonal figure that has five sides. It is the second simplest polygonal figure after the square. The Pentagon has a long history in geometry and has been used in art and architecture for centuries. In mathematics, the Pentagon is used as an example of a regular polygon with an odd number … Read more

## How to get professional chemistry lab report help

It takes a lot of time to create a scientific project, even an elementary one. Lab reports require experimenting and evaluation; hence these projects can be considered scientific too. Each student knows that creating lab reports is a very challenging process. And being assigned a lab report on a complicated discipline like chemistry often becomes … Read more

## How to Find the Relative Frequency? Definition and Examples

When the word ‘relative’ is used, it means that something is being viewed in relation to or in proportion to another. An event’s frequency can be measured by measuring how often it occurs. On the other hand, relative frequency measures how often a particular event occurs relative to its total occurrences. Let’s look at some … Read more

## Use the Rational Zero Theorem to Find Rational Zeros

Roots of a Polynomial A root or zero of a function is a number that, when plugged in for the variable, makes the function equal to zero. Thus, the roots of a polynomial P(x) are values of x such that P(x) = 0. The Rational Zeros Theorem The Rational Zeros Theorem states: IfP(x)is a polynomial with integer coefficients and ifis … Read more

## Bronze Age | Definition, History, & Facts

Bronze Age, third phase in the development of material culture among the ancient peoples of Europe, Asia, and the Middle East, following the Paleolithic and Neolithic periods (Old Stone Age and New Stone Age, respectively). The term also denotes the first period in which metal was used. The date at which the age began varied with regions; in Greece and China, for instance, the Bronze Age began before 3000 BCE, whereas in Britain it … Read more

## Mechanical Energy Formula: Definitions & Examples

The act of dislocating an object when a force acts upon it is said to produce work. Work involves a force through which an object can be displaced. When the work is completed, the thing will gain energy. The energy acquired by an object on which work is done is known as its mechanical energy. … Read more

## Pyramid of Biomass: Definition, Example & FAQs

Biomass pyramids are a visual representation of the biomass present in a unit of the territory of different trophic levels. Additionally, it displays a link between biomass and trophic level, estimating the biomass available in each ecological degree at a given moment. There are two primary kinds of biomass pyramid – the altered biomass pyramid and the … Read more

## Average Acceleration Formula – Definition & Examples

There is no doubt that you are very familiar with the term average acceleration, especially in relation to cars. We say something is accelerating when it changes velocity. Acceleration is the rate at which velocity changes over time. In layman’s terms, we use acceleration to describe a state of increasing speed. As with velocity, there … Read more