Joseph Quinones
Physics Teacher
Education
- MS, Physics Education, City College of New York (CCNY)
- BS, Physics, Lehman College
Certifications & Organizations
- Certified to teach Physics to grades 7-12
Favorite Piece of Advice
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Co-authored Articles (25)
°C to °F Conversion: A Complete Guide
You don’t have to be Einstein to use these fast and easy temperature conversion formulasIn most countries of the world, temperature is measured in degrees Celsius (°C). But what are you supposed to do when you have to...
How to
Measure Centimeters
Centimeters are a metric unit of measurement. You can use most rulers to measure centimeters. It is important, however, to ensure that you are looking at the correct units, as many rulers also show inches. If you don’t...
How to
Calculate the Diameter of a Circle
Need to find the diameter of a circle? Calculating diameter is easy—you just need the radius, the circumference, or the area. Even if you don't have any of those dimensions, you can still find the diameter if you have ...
How to
Convert Degrees to Radians
Degrees and radians are two units for measuring angles. A circle contains 360 degrees, which is the equivalent of 2π radians, so 360° ''and'' 2π radians represent the numerical values for going "once around" a circle....
How to
Factor a Cubic Polynomial
This is an article about how to factorize a 3rd degree polynomial. We will explore how to factor using grouping as well as using the factors of the free term.
How to
Calculate Wind Load
Wind is a mass of air that moves in a mostly horizontal direction from an area of high pressure to an area with low pressure. High winds can be very destructive because they generate pressure against the surface of a str...
How to
Build a Spaghetti Tower
Making a spaghetti tower is a great team-building exercise that is popular among schoolchildren, coworkers, friends, and family. You can also build a spaghetti tower alone for an extra challenge! Spaghetti towers are mad...
How to
Build a Trebuchet
A trebuchet (pronounced TREB-you-shay) is a medieval English siege engine or catapult that consists of a large arm mounted on a cart or stand. In the counterpoise style of trebuchet a counterweight pulls down the arm, la...
How to
Build a Pulley
Pulleys are simple machines that make lifting heavy objects easier. They distribute weight to reduce the amount of force it takes to lift something up.. 15 June 2023. With a compound pulley, you can lift an object using ...
How to
Convert Within Metric Measurements
The metric system is a comprehensive system of measurements used in almost all of the world today, the only exception being that of the United States, who uses a different form of standard measurement. One of the biggest...
How to
Read a Hydrometer
A hydrometer is a measurement tool, usually made from a weighted glass tube, used to test the density of a liquid. The idea behind the hydrometer is that suspending a solid object in a liquid will cause the solid to floa...
How to
Split an Atom
''Discover what happens when you split an atom, plus how scientists split atoms in the lab''Atoms can gain or lose energy when an electron moves from a higher to a lower orbit around the nucleus. Splitting the nucleus of...
How to Build a Truss Bridge Out of Skewers
Plus, fun ways to use and display your model bridgeWhether you need to build a bridge for a school project or you simply want to learn how to create bridges on a small scale, wooden skewers are a great material to use to...
How to
Measure Viscosity
Viscosity can be defined as the measurement of a liquid's resistance to flow, also referred to as a liquid's internal friction. Consider water and molasses. Water flows relatively freely, while molasses is less fluid. Be...
How to
Use a Telescope
Telescopes gather light and make for the most spectacular viewing experiences. The thrill of viewing distant galaxies, brilliant star clusters, unique nebulae, solar system planets and lunar features is nearly indescrib...
How to Measure Resistance with a Multimeter (Digital & Analog)
Quick and easy steps to check resistance with a multimeter Resistance is the measure of difficulty electrons have in flowing through a particular object. It is similar to the friction an object experiences when moving or...
How to
Find the Number of Neutrons in an Atom
Although all atoms of the same element contain the same number of protons, their number of neutrons can vary. Knowing how many neutrons are in a particular atom can help you determine if it's a regular atom of that eleme...
How to
Make a Match Rocket
Would you like to make a cheap and easy matchstick rocket? With basic household supplies, you can make one that shoots up to 40 ft (12m)! Unless you work for NASA, assume there'll be a few duds and make several at once. ...
How to
Calculate Total Current
The easiest way to picture a series circuit connection is a chain of elements. The elements are added consequently and in the same line. There is only one path wherein the electrons and charges can flow. Once you have a ...
How to
Build a Hydrometer
Hydrometers are graduated floating devices that measure the densities of liquids. They are commonly used in the making of wine, beer, and spirits to monitor the fermentation process, and are also used often in school pro...
