# 114 Results

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This Demonstration illustrates the concept of rotating a 2D polygon. The rotation matrix is displayed for the current angle. The default polygon is a square that you can modify.

Material Type:
Activity/Lab
Diagram/Illustration
Homework/Assignment
Interactive
Simulation
Teaching/Learning Strategy
Provider:
Wolfram Research
Provider Set:
Wolfram Demonstrations Project
Author:
Mito Are and Valeria Antohe
09/04/2013
Rating

An interactive applet and associated web page that shows how triangles that have two angles and a non-included side the same must be congruent. The applet shows two triangles, one of which can be reshaped by dragging any vertex. The other changes to remain congruent to it and the two angles and non-included side are outlined in bold to show they are the same measure and are the elements being used to prove congruence. The web page describes all this and has links to other related pages. Applet can be enlarged to full screen size for use with a classroom projector. This resource is a component of the Math Open Reference Interactive Geometry textbook project at http://www.mathopenref.com.

Material Type:
Simulation
Provider:
Math Open Reference
Author:
John Page
02/16/2011
Unrestricted Use
CC BY
Rating

Watch alpha particles escape from a polonium nucleus, causing radioactive alpha decay. See how random decay times relate to the half life.

Material Type:
Simulation
Provider:
Provider Set:
PhET Interactive Simulations
Author:
Carl Wieman
Danielle Harlow
John Blanco
Kathy Perkins
Noah Podolefsky
Ron LeMaster
Sam McKagan
09/02/2012
Conditional Remix & Share Permitted
CC BY-SA
Rating

We use the derivative to determine the maximum and minimum values of particular functions (e.g. cost, strength, amount of material used in a building, profit, loss, etc.).Differentiation is also used in analysis of finance and economics.

Material Type:
Simulation
Provider:
GeoGebra
Provider Set:
GeoGebraTube
03/12/2012
Some Rights Reserved
Rating

Remember your multiplication tables? ... me neither. Brush up on your multiplication, division, and factoring skills with this exciting game. No calculators allowed!

Material Type:
Simulation
Provider:
Provider Set:
PhET Interactive Simulations
Author:
Michael Dubson
Trish Loeblein
05/02/2010
Unrestricted Use
CC BY
Rating

Brush up on your multiplication, division, and factoring skills with this interactive multiplication chart. Three levels and timed or untimed options are available.

Material Type:
Simulation
Provider:
Provider Set:
PhET Interactive Simulations
Author:
Michael Dubson
11/05/2011
Unrestricted Use
CC BY
Rating

Explore the interactions between various combinations of two atoms. Turn on the force arrows to see either the total force acting on the atoms or the individual attractive and repulsive forces. Try the &quot;Adjustable Attraction&quot; atom to see how changing the parameters affects the interaction.

Material Type:
Simulation
Provider:
Provider Set:
PhET Interactive Simulations
Author:
Carl Wieman
Jack Barbera
John Blanco
Kathy Perkins
Kelly Lancaster
Noah Podolefsky
08/01/2009
Unrestricted Use
CC BY
Rating

Experiment with a helium balloon, a hot air balloon, or a rigid sphere filled with different gases. Discover what makes some balloons float and others sink.

Material Type:
Simulation
Provider:
Provider Set:
PhET Interactive Simulations
Author:
Carl Wieman
Danielle Harlow
Kathy Perkins
Ron LeMaster
07/02/2009
Unrestricted Use
CC BY
Rating

Why does a balloon stick to your sweater? Rub a balloon on a sweater, then let go of the balloon and it flies over and sticks to the sweater. View the charges in the sweater, balloons, and the wall.

Material Type:
Simulation
Provider:
Provider Set:
PhET Interactive Simulations
Author:
Sam Reid
07/02/2008
Some Rights Reserved
Rating

Explore the origin of energy bands in crystals of atoms. The structure of these bands determines how materials conduct electricity.

Material Type:
Simulation
Provider:
Provider Set:
PhET Interactive Simulations
Author:
Carl Wieman
Chris Malley
Kathy Perkins
Sam McKagan
07/02/2010
Unrestricted Use
CC BY
Rating

Look inside a resistor to see how it works. Increase the battery voltage to make more electrons flow though the resistor. Increase the resistance to block the flow of electrons. Watch the current and resistor temperature change.

Material Type:
Simulation
Provider:
Provider Set:
PhET Interactive Simulations
Author:
Carl Wieman
Sam Reid
11/20/2008
Unrestricted Use
CC BY
Rating

Look inside a battery to see how it works. Select the battery voltage and little stick figures move charges from one end of the battery to the other. A voltmeter tells you the resulting battery voltage.

Material Type:
Simulation
Provider:
Provider Set:
PhET Interactive Simulations
Author:
Carl Wieman
Sam Reid
07/02/2008
Only Sharing Permitted
CC BY-NC-ND
Rating

This activity explores the main algorithms that are used as the basis for searching on computers, using different variations on the game of battleships. This activity demonstrates three search methods for finding information in data: linear searching, binary searching and hashing. It also includes an optional introductory activity as well as a video showing a fun demonstration related to the same content.

Material Type:
Activity/Lab
Game
Lesson Plan
Simulation
Provider:
Computer Science Unplugged
Science and Math Informal Learning Educators (SMILE)
Provider Set:
Computer Science Unplugged
SMILE Pathway: Science and Math Activities in One Search
Author:
Brian Mason Scientific and Technical Trust
Computer Science Unplugged
Ian Witten
Jane McKenzie
Mike Fellows
Tim Bell
01/02/2002
Unrestricted Use
CC BY
Rating

Watch beta decay occur for a collection of nuclei or for an individual nucleus.

Material Type:
Simulation
Provider:
Provider Set:
PhET Interactive Simulations
Author:
Carl Wieman
John Blanco
Kathy Perkins
Noah Podolefsky
02/02/2013
Conditional Remix & Share Permitted
CC BY-SA
Rating

Break-Even analysis and the effect of changing Fixed costs, Variable Costs, and Selling price on Profit/Loss

Material Type:
Simulation
Provider:
GeoGebra
Provider Set:
GeoGebraTube
04/26/2012
Conditional Remix & Share Permitted
CC BY-SA
Rating

Try to move points (one at a time) C, B, and D C for a change in fixed cost B for a change in selling price D fora change in variable cost

Material Type:
Simulation
Provider:
GeoGebra
Provider Set:
GeoGebraTube
04/26/2012
Conditional Remix & Share Permitted
CC BY-SA
Rating

Tracking of income &amp; expenses for student budgeting.

Material Type:
Simulation
Provider:
GeoGebra
Provider Set:
GeoGebraTube
03/11/2012
Unrestricted Use
CC BY
Rating

Build fractions from shapes and numbers to earn stars in this fractions game or explore in the Fractions Lab. Challenge yourself on any level you like. Try to collect lots of stars!

Material Type:
Simulation
Provider:
Provider Set:
PhET Interactive Simulations
09/23/2013
Unrestricted Use
CC BY
Rating

When will objects float and when will they sink? Learn how buoyancy works with blocks. Arrows show the applied forces, and you can modify the properties of the blocks and the fluid.

Material Type:
Simulation
Provider:
Provider Set:
PhET Interactive Simulations
Author:
Archie Paulson
Carl Wieman
Chris Malley
Jonathan Olson
Kathy Perkins
Kelly Lancaster
Noah Podolefsky
Patricia Loblein
Sam Reid
10/01/2010
Unrestricted Use
CC BY
Rating

Draw a graph of any function and see graphs of its derivative and integral. Don't forget to use the magnify/demagnify controls on the y-axis to adjust the scale.

Material Type:
Simulation
Provider:
Provider Set:
PhET Interactive Simulations
Author:
Michael Dubson
Trish Loeblein
08/31/2009
Unrestricted Use
CC BY
Rating

Draw a graph of any function and see graphs of its derivative and integral. Don't forget to use the magnify/demagnify controls on the y-axis to adjust the scale.

Material Type:
Simulation
Provider:
Provider Set:
PhET Interactive Simulations
Author:
Michael Dubson
Patricia Loblein
02/02/2013
Conditional Remix & Share Permitted
CC BY-SA
Rating

Car Depreciation Over 5 Years

Material Type:
Simulation
Provider:
GeoGebra
Provider Set:
GeoGebraTube
04/26/2012
Unrestricted Use
CC BY
Rating

Move point charges around on the playing field and then view the electric field, voltages, equipotential lines, and more. It's colorful, it's dynamic, it's free.

Material Type:
Simulation
Provider:
Provider Set:
PhET Interactive Simulations
Author:
Michael Dubson
05/02/2011
Unrestricted Use
CC BY
Rating

This new version of the CCK adds capacitors, inductors and AC voltage sources to your toolbox! Now you can graph the current and voltage as a function of time.

نوع المادة:
محاكاة
Provider:
Provider Set:
المحاكاة التفاعلية لموقع PhET
المؤلف:
Carl Wieman
Kathy Perkins
Michael Dubson
Sam Reid
07/12/2008
Unrestricted Use
CC BY
Rating

Build circuits with capacitors, inductors, resistors and AC or DC voltage sources, and inspect them using lab instruments such as voltmeters and ammeters.

Material Type:
Simulation
Provider:
Provider Set:
PhET Interactive Simulations
Author:
Carl Wieman
Kathy Perkins
Michael Dubson
Sam Reid
07/01/2006
Unrestricted Use
CC BY
Rating

An electronics kit in your computer! Build circuits with resistors, light bulbs, batteries, and switches. Take measurements with the realistic ammeter and voltmeter. View the circuit as a schematic diagram, or switch to a life-like view.

نوع المادة:
محاكاة
Provider:
Provider Set:
المحاكاة التفاعلية لموقع PhET
المؤلف:
Carl Wieman
Kathy Perkins
Michael Dubson
Sam Reid
06/15/2005
Unrestricted Use
CC BY
Rating

Build circuits with resistors, light bulbs, batteries, and switches and take measurements with laboratory equipment like the realistic ammeter and voltmeter.

Material Type:
Simulation
Provider:
Provider Set:
PhET Interactive Simulations
Author:
Carl Wieman
Kathy Perkins
Michael Dubson
Sam Reid
07/01/2004
Unrestricted Use
CC BY
Rating

Experiment with conductivity in metals, plastics and photoconductors. See why metals conduct and plastics don't, and why some materials conduct only when you shine a flashlight on them.

Material Type:
Simulation
Provider:
Provider Set:
PhET Interactive Simulations
Author:
Carl Wieman
Kathy Perkins
Sam McKagan
Sam Reid
07/01/2004
Unrestricted Use
CC BY
Rating

With your mouse, drag data points and their error bars, and watch the best-fit polynomial curve update instantly. You choose the type of fit: linear, quadratic, cubic, or quartic. The reduced chi-square statistic shows you when the fit is good. Or you can try to find the best fit by manually adjusting fit parameters.

Material Type:
Simulation
Provider:
Provider Set:
PhET Interactive Simulations
Author:
Michael Dubson
Patricia Loblein
08/02/2012
Unrestricted Use
CC BY
Rating

Why do objects like wood float in water? Does it depend on size? Create a custom object to explore the effects of mass and volume on density. Can you discover the relationship? Use the scale to measure the mass of an object, then hold the object under water to measure its volume. Can you identify all the mystery objects?

Material Type:
Simulation
Provider:
Provider Set:
PhET Interactive Simulations
Author:
Archie Paulson
Carl Wieman
Chris Malley
Jonathan Olson
Kathy Perkins
Kelly Lancaster
Noah Podolefsky
Patricia Loblein
Sam Reid
09/01/2010
Conditional Remix & Share Permitted
CC BY-SA
Rating

This dynamic worksheet illustrates the relationship between the DETERMINANT, the Area of the pre-image, and the Area of the image.

Material Type:
Simulation
Provider:
GeoGebra
Provider Set:
GeoGebraTube
04/26/2012
Conditional Remix & Share Permitted
CC BY-SA
Rating

Ana Donevska Todorova Humboldt Universitﾊt zu Berlin Mathematisch-Naturwissenschaftliche Fakultﾊt II Institut fﾟr Mathematik, Didaktik der Mathematik

Material Type:
Simulation
Provider:
GeoGebra
Provider Set:
GeoGebraTube
03/12/2012
Conditional Remix & Share Permitted
CC BY-SA
Rating

Ana Donevska Todorova Humboldt Universitﾊt zu Berlin Mathematisch-Naturwissenschaftliche Fakultﾊt II Institut fﾟr Mathematik, Didaktik der Mathematik ??? ?????????? ?????? ???????? ?? ???????????? ????? ? ????

Material Type:
Simulation
Provider:
GeoGebra
Provider Set:
GeoGebraTube
03/12/2012
Conditional Remix & Share Permitted
CC BY-SA
Rating

Ana Donevska Todorova Humboldt Universitﾊt zu Berlin Mathematisch-Naturwissenschaftliche Fakultﾊt II Institut fﾟr Mathematik, Didaktik der Mathematik

Material Type:
Simulation
Provider:
GeoGebra
Provider Set:
GeoGebraTube
03/12/2012
Conditional Remix & Share Permitted
CC BY-SA
Rating

Developing the Concept of a Determinant using DGS

Material Type:
Simulation
Provider:
GeoGebra
Provider Set:
GeoGebraTube
11/11/2011
Unrestricted Use
CC BY
Rating

Explore tunneling splitting in double well potentials. This classic problem describes many physical systems, including covalent bonds, Josephson junctions, and two-state systems such as spin 1/2 particles and ammonia molecules.

Material Type:
Simulation
Provider:
Provider Set:
PhET Interactive Simulations
Author:
Carl Wieman
Chris Malley
Kathy Perkins
Sam McKagan
10/04/2006
Unrestricted Use
CC BY
Rating

How many calories are in your favorite foods? How much exercise would you have to do to burn off these calories? What is the relationship between calories and weight? Explore these issues by choosing diet and exercise and keeping an eye on your weight.

نوع المادة:
Activity/Lab
تفاعلية
محاكاة
Provider:
Provider Set:
المحاكاة التفاعلية لموقع PhET
المؤلف:
Franny Benay
Kate Semsar
Kathy Perkins
Noah
Noah Podolefsky
Sam Reid
10/01/2008
Unrestricted Use
CC BY
Rating

Play hockey with electric charges. Place charges on the ice, then hit start to try to get the puck in the goal. View the electric field. Trace the puck's motion. Make the game harder by placing walls in front of the goal. This is a clone of the popular simulation of the same name marketed by Physics Academic Software and written by Prof. Ruth Chabay of the Dept of Physics at North Carolina State University.

Material Type:
Simulation
Provider:
Provider Set:
PhET Interactive Simulations
Author:
Danielle Harlow
Michael Dubson
Sam Reid
07/02/2008
Unrestricted Use
CC BY
Rating

Play ball! Add charges to the Field of Dreams and see how they react to the electric field. Turn on a background electric field and adjust the direction and magnitude. (Kevin Costner not included).

Material Type:
Simulation
Provider:
Provider Set:
PhET Interactive Simulations
Author:
Carl Wieman
Sam Reid
11/16/2007
Unrestricted Use
CC BY
Rating

Learn about conservation of energy with a skater dude! Build tracks, ramps and jumps for the skater and view the kinetic energy, potential energy and friction as he moves. You can also take the skater to different planets or even space!

Material Type:
Simulation
Provider:
Provider Set:
PhET Interactive Simulations
Author:
Carl Wieman
Danielle Harlow
Kathy Perkins
Michael Dubson
Patricia Loblein
Sam Reid
07/02/2008
Unrestricted Use
CC BY
Rating

Learn about graphing polynomials. The shape of the curve changes as the constants are adjusted. View the curves for the individual terms (e.g. y=bx ) to see how they add to generate the polynomial curve.

Material Type:
Simulation
Provider:
Provider Set:
PhET Interactive Simulations
Author:
Michael Dubson
Mindy Gratny
Patricia Loblein
06/01/2004
Unrestricted Use
CC BY
Rating

Explore size estimation in one, two and three dimensions! Multiple levels of difficulty allow for progressive skill improvement.

Material Type:
Simulation
Provider:
Provider Set:
PhET Interactive Simulations
Author:
Michael Dubson
Mindy Gratny
06/01/2005
Unrestricted Use
CC BY
Rating

Play with a bar magnet and coils to learn about Faraday's law. Move a bar magnet near one or two coils to make a light bulb glow. View the magnetic field lines. A meter shows the direction and magnitude of the current. View the magnetic field lines or use a meter to show the direction and magnitude of the current. You can also play with electromagnets, generators and transformers!

Material Type:
Simulation
Provider:
Provider Set:
PhET Interactive Simulations
Author:
Archie Paulson
Carl Wieman
Chris Malley
Danielle Harlow
Kathy Perkins
Michael Dubson
10/22/2006
Unrestricted Use
CC BY
Rating

Light a light bulb by waving a magnet. This demonstration of Faraday's Law shows you how to reduce your power bill at the expense of your grocery bill.

Material Type:
Simulation
Provider:
Provider Set:
PhET Interactive Simulations
Author:
Michael Dubson
Patricia Loblein
07/01/2006
Unrestricted Use
CC BY
Rating

Explore the forces at work when you try to push a filing cabinet. Create an applied force and see the resulting friction force and total force acting on the cabinet. Charts show the forces, position, velocity, and acceleration vs. time. View a Free Body Diagram of all the forces (including gravitational and normal forces).

Material Type:
Simulation
Provider:
Provider Set:
PhET Interactive Simulations
Author:
Kathy Perkins
Noah Podolefsky
Patricia Loblein
Sam Reid
10/01/2010
Conditional Remix & Share Permitted
CC BY-SA
Rating

Based on knowledge of the unit Circles, students see how sinusoids (Sine and coSine waves) get their shapes.

Material Type:
Simulation
Provider:
GeoGebra
Provider Set:
GeoGebraTube
04/26/2012
Unrestricted Use
CC BY
Rating

Learn how to make waves of all different shapes by adding up sines or cosines. Make waves in space and time and measure their wavelengths and periods. See how changing the amplitudes of different harmonics changes the waves. Compare different mathematical expressions for your waves.

نوع المادة:
محاكاة
Provider:
Provider Set:
المحاكاة التفاعلية لموقع PhET
المؤلف:
Carl Wieman
Chris Malley
Danielle Harlow
Sam McKagan
07/01/2005
Unrestricted Use
CC BY
Rating

Match shapes and numbers to earn stars in this fractions game. Challenge yourself on any level you like. Try to collect lots of stars! The main topics of this interactive simulation include fractions, equivalent fractions, and mixed numbers.

Material Type:
Simulation
Provider:
Provider Set:
PhET Interactive Simulations
09/23/2013
Unrestricted Use
CC BY
Rating

Explore fractions while you help yourself to 1/3 of a chocolate cake and wash it down with 1/2 a glass of orange juice! Create your own fractions using fun interactive objects. Match shapes and numbers to earn stars in the fractions games. Challenge yourself on any level you like. Try to collect lots of stars!

Material Type:
Simulation
Provider:
Provider Set:
PhET Interactive Simulations
09/23/2013
Unrestricted Use
CC BY
Rating

Learn how friction causes a material to heat up and melt. Rub two objects together and they heat up. When one reaches the melting temperature, particles break free as the material melts away. Arabic Language.

نوع المادة:
محاكاة
Provider:
Provider Set:
المحاكاة التفاعلية لموقع PhET
المؤلف:
Carl Wieman
Danielle Harlow
Michael Dubson
Mindy Gratny
06/02/2008
Unrestricted Use
CC BY
Rating

Pump gas molecules to a box and see what happens as you change the volume, add or remove heat, change gravity, and more. Measure the temperature and pressure, and discover how the properties of the gas vary in relation to each other.

Material Type:
Simulation
Provider:
Provider Set:
PhET Interactive Simulations
Author:
Carl Wieman
Danielle Harlow
Jack Barbera
Kathy Perkins
Linda Koch
Michael Dubson
Ron LeMaster
10/05/2006
Unrestricted Use
CC BY
Rating

Pump gas molecules to a box and see what happens as you change the volume, add or remove heat, change gravity, and more. Measure the temperature and pressure, and discover how the properties of the gas vary in relation to each other.

Material Type:
Simulation
Provider:
Provider Set:
PhET Interactive Simulations
Author:
Carl Wieman
Danielle Harlow
Jack Barbera
Kathy Perkins
Linda Koch
Michael Dubson
Ron LeMaster
07/02/2009
Unrestricted Use
CC BY
Rating

Build a gene network! The lac operon is a set of genes which are responsible for the metabolism of lactose in some bacterial cells. Explore the effects of mutations within the lac operon by adding or removing genes from the DNA.

Material Type:
Simulation
Provider:
Provider Set:
PhET Interactive Simulations
Author:
George Speigelman
Jared Taylor
John Blanco
Kathy Perkins
Noah Podolefsky
05/01/2010
Unrestricted Use
CC BY
Rating

Generate electricity with a bar magnet! Discover the physics behind the phenomena by exploring magnets and how you can use them to make a bulb light.

Material Type:
Simulation
Provider:
Provider Set:
PhET Interactive Simulations
Author:
Archie Paulson
Carl Wieman
Chris Malley
Danielle Harlow
Kathy Perkins
Michael Dubson
04/01/2008
Conditional Remix & Share Permitted
CC BY-SA
Rating

Ana Donevska Todorova Humboldt Universitﾊt zu Berlin Mathematisch-Naturwissenschaftliche Fakultﾊt II Institut fﾟr Mathematik, Didaktik der Mathematik

Material Type:
Simulation
Provider:
GeoGebra
Provider Set:
GeoGebraTube
03/12/2012
Unrestricted Use
CC BY
Rating

Visualize the gravitational force that two objects exert on each other. Change properties of the objects in order to see how it changes the gravity force.

Material Type:
Simulation
Provider:
Provider Set:
PhET Interactive Simulations
Author:
Carl Wieman
Noah Podolefsky
Patricia Loblein
Sam Reid
02/02/2013
Unrestricted Use
CC BY
Rating

Move the sun, earth, moon and space station to see how it affects their gravitational forces and orbital paths. Visualize the sizes and distances between different heavenly bodies, and turn off gravity to see what would happen without it!

Material Type:
Simulation
Provider:
Provider Set:
PhET Interactive Simulations
Author:
Chris Malley
Emily Moore
John Blanco
Jon Olson
Kathy Perkins
Noah Podolefsky
Patricia Loblein
Sam Reid
02/07/2011
Unrestricted Use
CC BY
Rating

Are all atoms of an element the same? How can you tell one isotope from another? Use the sim to learn about isotopes and how abundance relates to the average atomic mass of an element.

Material Type:
Simulation
Provider:
Provider Set:
PhET Interactive Simulations
Author:
Emily Moore
John Blanco
Kathy Perkins
Kelly Lancaster
Patricia Loblein
Robert Parson
Sam Reid
05/13/2011
Unrestricted Use
CC BY
Rating

Join the ladybug in an exploration of rotational motion. Rotate the merry-go-round to change its angle, or choose a constant angular velocity or angular acceleration. Explore how circular motion relates to the bug's x,y position, velocity, and acceleration using vectors or graphs.

Material Type:
Simulation
Provider: