What is a form of energy that produces light, heat, magnetic and chemical changes?
ELECTRICITY!
"DC" stands for what type of current?
DIRECT CURRENT
What is light therapy also called?
PHOTOTHERAPY
What is known as the study of matter and the physical and chemical changes of matter?
CHEMISTRY
What is the pH of a neutral substance such as distilled water?
7!
What is a unit of electrical strength?
AMP
A BATTERY
What type of light can humans see?
VISIBLE LIGHT
pH stands for what?
POTENTIAL HYDROGEN
T/F Ingredients that help hold the product together, providing a base and contain a preservative system are known as performance ingredients.
FALSE! They are Functional ingredients. They help hold the product together and are essential for performance ingredients to be effective.
What occurs when an electrical appliance falls into water, making it a foreign conductor?
SHORT CIRCUIT
Saw-toothed, Triangular, square and rectangular are all examples of what?
WAVEFORMS!
WHITE
what happens when a substance gains an electron and oxygen is released?
Reduction
A glass of Kool-Aid, which consists of a solute (powder mix) and a Solvent (water) is an example of a what?
SOLUTION
What are materials that best transport electricity?
CONDUCTORS
T/F- Series wiring is when multiple items can be plugged into the same circuit and each item can run alone or at the same time.
FALSE- Series wiring- all loads run at the same time and circuit travels from one load to the next. CHRISTMAS LIGHTS
What is a benefit of using UV light in small doses?
VITAMIN D PRODUCTION & GERMICIDAL
What element has the simplest atomic structure?
HYDROGEN
If a solution has more positive hydrogen ions than negative hydroxide ions it is ______.
ACIDIC.
INSULATORS!
A ____ is a closed path through which electrons can travel through.
CIRCUIT
What type of light is the most economical and long lasting light source that can create "blue" tones?
FLUORESCENT LIGHT
FALSE! H2O is a compound because the atoms are different.
EMULSIFIER