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 Physical Science : Standard 2 - Energy Checks for Understanding 2.1 | 2.2 | 2.3 | 2.4 | 2.5 | 2.6 | 2.7 | 2.8 | 2.9 | 2.10 | 2.11 | 2.12 Science Curriculum Standards 3202 - Physical Science Internet Resources Investigate energy transfer through waves and particles. 2.1 The transmission of a wave through dense media - Reflection and Refraction (an excellent java applet which allows your students to manipulate the variables Demonstrate how waves are produced and transmitted. 2.2 The Anatomy of a Wave - from the chapter on Properties of Waves at the Physics Classroom Basic Electromagnetic Wave Properties - this java applet lets students change wavelength, frequency or amplitude of electromagnetic waves, thus changing the color of the radiation. or Electromagnetic Spectrum - In this applet, you can click on the wavelength/frequency scale and change the wavelength and frequency by dragging the mouse or by using the arrow keys on the keyboard. Holding the shift key down while pressing the left or right arrow keys changes the wavelength by a factor of 10. or Frequency, Wavelength, and Amplitude - from a physics tutoring site Introduction to Waves - a multi-part lesson from the BBC Ocean Waves - This is a real-time 3D wave simulator which demonstrates the connection between wind speed and ocean particle motion depth. The student can modify the properties of an ocean wave and see the effect from any perspective.  The Nature of Waves - a 36 slide show with excellent images and a fairly complete discussion of the basic parts of a wave as well as other wave properties Parts of a Wave - the wave and its parts are discussed here, including a nice java applet which allows your students to change wave frequency Properties of a Wave - from the Physics Classroom Properties of Waves - a 17 slide show on the basic properties of waves Wave Addition - Experiment with how different wavelengths combine to produce a resultant wave. Investigate the characteristics of light energy and sound energy. 2.3 � Compare and contrast the four types of wave interactions. 2.4 Beat Frequencies in Sound - A beat frequency or beat wave is a sound of fluctuating volume caused when you add two sound waves of slightly different frequencies.  Tacoma Narrows Bridge Failure - photos illustrating this classic case of wave interaction you might also want to see a short (10 second) clip of the failure. Resonance applet with instructions in the form of a dialog Experiments on Wave Interference Classic two slit interference change the slit separation to determine the interference pattern Diffraction of Light by a Single Slit - an applet to investigate diffraction Explore standing waves created by waves moving in opposite direction (no reflection) with this java applet Standing Longitudinal Waves - This Java applet demonstrates the harmonics of the air in a tube as an example of standing longitudinal waves. Standing Wave - Explanation by Superposition with the Reflected Wave Create standing waves (with reflection at a boundary) with this excellent java applet. Change parameters or step the animation forward slowly while viewing the component waves to investigate interference. To isolate wave reflection, you might want to view the reflection of a single pulse. Hearing Subtraction - (an activity on frequency and beats) This site allows students to hear beat frequency caused by two sounds.  Interference of Light at a Double Slit - an applet to investigate interference Interference of two Circular or Spherical Waves - This Java applet shows the interference of two circular respectively spherical waves (e.g. of water or sound waves). Reflection and Refraction of Light Waves [Huygens' Principle] - This applet is a tutorial which explains the reflection and the refraction of waves by the principle of Huygens. Refraction of Light - The applet shows the reflected and the refracted ray and calculates the corresponding angles. Students can change the incident angle and the media. Explore heat as a form of energy that may be transferred between materials. 2.5 � Identify the boiling and freezing points of water in the Celsius, Fahrenheit, and Kelvin temperature scales. 2.6 British and Metric Conversions - a series of pages relating to converting to or from metric units Converting Fahrenheit to Celsius - interactive problem from Annenberg Design and conduct an activity to demonstrate the conservation of heat energy during temperature changes. 2.7 � Investigate the relationships among kinetic, potential, and total energy within a closed system. 2.8 An index of work, power, and energy tutorials Definition and Mathematics of Work Design a Roller Coaster - Try your hand at designing your own roller coaster. You will be building a conceptual coaster using the physics concepts that are used to design real coasters. You won't need to compute any formulas. Calculating the Amount of Work Done by Forces - quite a few practice scenarios are included Potential Energy - excellent diagrams and practice questions Kinetic Energy - more good diagrams and practice problems Mechanical Energy - no practice problems, but excellent illustrations Power - six practice problems accompany this tutorial Solve problems related to voltage, resistance, and current in a series circuit. 2.9 Simple AC Circuits - This Java applet shows a simple circuit consisting of an alternating voltage source and, depending on the selected radio button, a resistor (without inductivity), a capacitor or an ideal coil (without resistance). Combinations of Resistors - an applet illustrating either series or parallel Combinations of Resistors, Inductors and Capacitors - java applet Investigate Ohm�s law to design and build a simple circuit. 2.10 Voltage Circuit Simulator - This exercise will help you determine the relationship between voltage (V), amperage (I) and resistance (R). This relationship is called Ohm's Law. Ohm�s Law - This applet shows a simple circuit containing one resistor. In addition there is a voltmeter (parallel to the resistor) and an ammeter (in series with the resistor) Ohm's Law (includes Voltage law and Current law) Research the importance of energy conservation. 2.11 � Explore nuclear energy and its impact on science and society. 2.12 � State Performance Indicators 2.1 | 2.2 | 2.3 | 2.4 | 2.5 | 2.6 | 2.7 | 2.8 | 2.9 | 2.10 | 2.11 Classify waves as transverse or longitudinal. SPI 2.1 � Distinguish between mechanical and electromagnetic waves. SPI 2.2 An index of light waves and color tutorials from the Physics Classroom Electromagnetic Spectrum - In this applet, you can click on the wavelength/frequency scale and change the wavelength and frequency by dragging the mouse or by using the arrow keys on the keyboard. Holding the shift key down while pressing the left or right arrow keys changes the wavelength by a factor of 10. Electromagnetic Wave - This animation (java applet) shows an electromagnetic wave, namely a plane polarized wave, which propagates in positive x direction. Distinguish between wavelength, frequency, and amplitude. SPI 2.3 � Identify the boiling and freezing points of water using Celsius, Fahrenheit, or Kelvin scales. SPI 2.4 British and Metric Conversions - a series of pages relating to converting to or from metric units Converting Fahrenheit to Celsius - interactive problem from Annenberg Compare and contrast sound and light waves. SPI 2.5 � Distinguish among wave reflection, refraction, diffraction, and interference. SPI 2.6 Beat Frequencies in Sound - A beat frequency or beat wave is a sound of fluctuating volume caused when you add two sound waves of slightly different frequencies.  Tacoma Narrows Bridge Failure - photos illustrating this classic case of wave interaction you might also want to see a short (10 second) clip of the failure. Resonance applet with instructions in the form of a dialog Experiments on Wave Interference Classic two slit interference change the slit separation to determine the interference pattern Diffraction of Light by a Single Slit - an applet to investigate diffraction Explore standing waves created by waves moving in opposite direction (no reflection) with this java applet Standing Longitudinal Waves - This Java applet demonstrates the harmonics of the air in a tube as an example of standing longitudinal waves. Standing Wave - Explanation by Superposition with the Reflected Wave Create standing waves (with reflection at a boundary) with this excellent java applet. Change parameters or step the animation forward slowly while viewing the component waves to investigate interference. To isolate wave reflection, you might want to view the reflection of a single pulse. Hearing Subtraction - (an activity on frequency and beats) This site allows students to hear beat frequency caused by two sounds.  Interference of Light at a Double Slit - an applet to investigate interference Interference of two Circular or Spherical Waves - This Java applet shows the interference of two circular respectively spherical waves (e.g. of water or sound waves). Reflection and Refraction of Light Waves [Huygens' Principle] - This applet is a tutorial which explains the reflection and the refraction of waves by the principle of Huygens. Refraction of Light - The applet shows the reflected and the refracted ray and calculates the corresponding angles. Students can change the incident angle and the media. Classify heat transfer as conduction, convection, or radiation. SPI 2.7 Thermodynamic Equilibrium - an applet designed to simulate the diffusion process which occurs when gases of different temperatures are mixed (seven experiments can be performed with this applet) What is Heat? Methods of Heat Transfer Rates of Heat Transfer Identify a scenario that illustrates the Law of Conservation of Energy. SPI 2.8 � Solve application problems related to voltage, resistance, and current in a series circuit (V=IR). SPI 2.9 � Distinguish between nuclear fission and nuclear fusion. SPI 2.10 � Solve problems regarding heat, mass, specific heat capacity, and temperature change (Q=mC?T). SPI 2.11 Maxwellian Velocity Distribution - an interactive applet designed to demonstrate the properties of the ideal gas law Ideal Gas Law - Using an interactive applet, you will control the action of a piston in a pressure chamber which is filled with an ideal gas. Three experiments are outlined. Specific Heat at Constant Pressure and Constant Volume - students use this java applet to collect data  Internet4classrooms is a collaborative effort by Susan Brooks and Bill Byles. 