Other
Irac: Resistance Definition
Resistance may be defined as 'a heritable change in the sensitivity of a pest population that is reflected in the repeated failure of a product to achieve the expected level of control when used according to the label recommendation for...
CK-12 Foundation
Ck 12: Resistivity
[Free Registration/Login may be required to access all resource tools.] The factors that affect resistivity are explained, e.g., wire gauge and length, and conductivity. Also touches upon semiconductors and superconductors. The use of...
Integrated Publishing
Integrated Publishing: Levers
A quite lengthy chapter on the simple machine the lever. Includes uses, classes, mechanical advantage, formulae, etc. A full discussion, with good illustrations.
Other
Kelly Bear: Teaching Children Refusal Skills
Children who are taught refusal skills are more likely to make positive choices and refrain from engaging in high-risk behaviors. This site lists various learning exercises to practice refusal skills in your classroom.
Other
Western Oregon University: Resistance Skills
Here is a list of some strategies that can be used to resist peer pressure, and some strategies that will help you be most effective. Additional links for more information on responsible decision making are included.
Khan Academy
Khan Academy: Air and Fluid Resistance
This article on Khan Academy is about air and fluid resistance that is caused by friction.
Khan Academy
Khan Academy: Electric Potential Difference and Ohm's Law Review
Review the key terms, equations, and skills related to Ohm's law, including how electric potential difference, current, and resistance are related.
Khan Academy
Khan Academy: Current and Resistance Questions
Practice for the MCAT with these questions pertaining to current and resistance.
Florida State University
Florida State University: Color Code Resistor
This resistor color code activity allows you to change the resistance value with a slider and then determine the third digit, multiplier, and tolerance, providing the final resistance in ohms. It allows you to view how the passing...
Intel Corporation
Intel Education: Circuits and Switches
By comparing household electricity to household plumbing, this tutorial makes the concepts of electricity easier to understand. Includes video clips and interactive activities; click on "Instructional Strategies" for teacher resources...
Georgia State University
Georgia State University: Hyper Physics: Conductors and Insulators
This site from Georgia State University provides information on the distinction between conductors and insulators. Factors contributing to the insulating ability of materials are discussed.
Georgia State University
Georgia State University: Hyper Physics: Resistor Combinations
At this site from Georgia State University parallel and series connections of resistors are explained and illustrated. Equations for computing the overal voltage, current, and resistance of such circuits are given and explained.
Wolfram Research
Wolfram Science World: Joule's Law
This site briefly defines Joule's Law. A formula is provided and links to related terms.
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Ohm's Law
For the teacher planning a lesson plan or for the student preparing for a project or presentation. This page describes a series of simple activities related to the voltage-current-resistance relationship.
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Resistances in Series and Parallel Circuits
A teacher lesson plan is provided here. This page describes two activities in which the effect of multiple resistors on the current and overall resistance of both series and parallel circuits are investigated. Complete activity...
Live Wire Media
Good Character: Saying No
A collection of strategies and activities to teach students good refusal skills and skills for standing up to peer pressure when it comes to drug and alcohol use.
Other
Team Rocs: Resistance vs. Impedance
Compares resistance and impeadance using the example of car audio.
Colorado State University
Colorado State Univ.: Heat Transfer Resistance Modeling
This site from the Colorado State University discusses the tranfer of heat by conduction and convection. Discussion centers around the application of these two heat transfer mechanisms to engines. The variables that effect the resistance...
Fundación Cientec
Cientec: Modelo
This page includes suggestions for experiments that allow you to explore the transmission of waves, the stability of structures, the resistance of materials and more.
Other
Footprints Science: Forces
A simple demonstration using a person on a bicycle to illustrate how thrust and resistance balance to achieve a constant rate of speed.
Sophia Learning
Sophia: Electric Circuits: Lesson 2
This lesson will explain how to calculate voltage, current, and resistance in simple electric circuits. It is 2 of 4 in the series titled "Electric Circuits."
Sophia Learning
Sophia: Electric Circuits: Lesson 4
This lesson will explain how to calculate voltage, current, and resistance in simple electric circuits. It is 4 of 4 in the series titled "Electric Circuits."
National High Magnetic Field Laboratory
Magnet Academy: Heat Resistance
Heating a metal conductor makes it more difficult for electricity to flow through it. See why in this tutorial. (Java tutorial)
Ducksters
Ducksters: Kids Science: Electricity 102
Kid's learn more about the science of electricity. How its measured and generated.