Esti Ch 7/8 Chemistry & Electricity

Green LED light is for

______________ has a definite size (volume) but not a definite shape.

Using products from the same line is __________ to the client's skin.

The pH of a substance is its relative degree of acidity or alkalinity and is measured on a scale of 0 to 14.

Properly formulated and correctly stored emulsions should remain stable for how long?

The atoms of each element are the same in structure as the atoms of all other elements.

How many watts is a kilowatt?

When a substance is oxidized, the oxidizer is always reduced.

Each element is identified by a _____________ symbol.

Negative or positive poles of an electric current

The most abundant element found on earth, is a colorless, oderless, tasteless gas.

The Aging Ray

Which of the following is a good insulator?

I am ordorless, colorless, and generally consist of 1 part oxygen and 4 parts nitrogen, Who am I ?

Red LED light is for

All matter exsists in one of these 3 forms....

Electricity is not matter.

The smallest chemical components of an element that still retains the properties of that element.

When a circuit breaker shuts off, its okay to reset it without unplugging the appliance.

A hair dryer is an example of an AC device.

Visible light is electromagnetic radiation that we can see

_______________ is the study of substances that contain the element carbon.

As an esthetician you will be working with chemistry occassionally.

To use equipment & tools effectively & safely, esthetic professionals need to have working knowledge of electricity.

Inorganic substances are not flammable and will not burn because they do not contain carbon.

Yellow LED light is for

Oil and water emulsions are easily rinsed away with water.

Microcurrent travels through the entire body, not just the area of treatment.

_________ is the unit that measures the pressure or force that pushes the flow of electrons forward through a conductor.

______________ refers to indusing a positive product into the skin with the use of electric current

Blue LED light is for

Atoms cannot be divided into simpler substances by ordinary chemical means.

What does the image below illustrate?

A ______________ is a change in the form or physical properties of a substance without the formation of a new substance.

A fuse is designed to blowout or melt when the wires are cold and not used enough

The effects of cosmetics and skin care produts are based on how the skin reacts to...?

Small amounts of exposure to the sun can be beneficial in the production of vitamin....?

Suspensions contain ________ particles than solutions do.

Which of the following is not a benefit of using Tesla high frequency current...?

A _________ is the simplest form of chemical matter.

The burning ray

A _________ is a negative electrode and is usually black, and marked with a N or a minus sign

Ray blocked by the ozone