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Name That Motion

Refine your understanding of the language of kinematics as you match 11 verbal descriptions of motion to 11 on-screen animations. Once you've completed the matching process, check your answers and receive immediate feedback. Answers can be revised until you have perfected your understanding.

 

Graph That Motion

Refine your understanding of the graphical descriptions of motion as you match 11 position-time and velocity-time graphs to 11 on-screen animations. Once you've completed the matching process, check your answers and receive immediate feedback. Answers can be revised until you have perfected your understanding.

 

Graphing Motion

Practice your skill at interpretting graphs. Ten different velocity-time graphs are presented; your goal is to enter motion parameters which will result in a motion which matches the graph.

 

Two-Stage Rocket

Analyze the motion of a two-stage rocket and relate the motion to the features of a position-time and velocity-time graphs. When finished, take a quiz to check your understanding. Accompanied by an activity sheet.

 

Free Body Diagrams

Practice your skill at constructing free-body diagrams for a given physical situation. Twelve different descriptions of a physical situation are presented; your goal is to determine the type and relative magnitude of the forces acting upon the described object.

 

Riverboat Simulator

Explore concepts of relative velocity by investigating the motion of a boat across a river in the presence of a current. Accompanied by an activity sheet.

 

Projectile Simulator

Investigate the nature of a projectile using this projectile simulator. Alter the launch height, launch speed and launch angle and explore the effect of such alterations on the time of flight, range, and overall trajectory. Accompanied by an activity sheet.

 

Hit the Target

Practice your skill at solving horizontally-launched projectile problems by seeing if you can hit a target. Three types of problems are presented with randomly generated numbers. Accompanied by an activity sheet and a data sheet.

 

Race Track

Test your understanding of the relationship between force and motion as you attempt to guide a car around an oval race track in the least number of moves. Watch your speed on the curves and you'll be a winner.

 

Uniform Circular Motion

Analyze the motion of an object in a circle at constant speed and investigate the directional nature of velocity and acceleration and the effect of speed and radius upon the acceleration. Accompanied by an activity sheet.

 

Gravitation

Learn about the concept of universal gravitation as you explore the variables which effect the force of gravity between an object and a planet. Accompanied by an activity sheet.

 

Orbital Motion

Investigate the elliptical motion of a satellite orbitting a central body and the nature of the velocity and force vectors. Alter the eccentricity of the orbit and view the effect upon the shape of the ellipse. Accompanied by an activity sheet.

 

Time Dilation

Investigate Einstein's concept of time dilation. A pulse of light reflects off two mirrors in a spaceship. Set the speed of the spaceship and watch from Earth as the spaceship zooms by. Soon you will recognize why our conception of time breaks down in a relativistic world.

 

Length Contraction

Investigate Einstein's concept of length contraction. A spaceship carrying a billboard zooms by Earth. Change the speed of the spaceship and watch the dimensions of the billboard change as viewed by observers on Earth. Soon you will recognize why our conception of length breaks down in a relativistic world.

 

Standing Wave Patterns

Explore the standing wave patterns for a stringed instruments. Alter the length of the string, the amplitude of the wave pattern and the harmonic number. View the length-wavelength-frequency relationships.

 

 

Beat Patterns

Investigate the wave patterns associated with beats by combining two waves of similar frequency. Observe the wave patterns for the individual waves and observe the resulting beat pattern which is formed.

 

RGB Lighting

A set of three lights shine on a person and cast shadows of the person on a screen in the background. Turn the various lights on and off and observe how the colors of the shadows change.

 

Painting With CMY

It's your time to order uniforms for the school's football teams. There is one difficulty: the company which you will order from prefers to receive the order in terms of the three primary colors of paints which will be applied to different parts of the uniform. Experiment with the effect of different paint colors on the appearance of the various parts of the uniform. Accompanied by an activity sheet.

 

Young's Experiment

Perform Thomas Young's famous experiment using this simulated activity. Make measurements for a projected two-point source light interference pattern in order to determine the wavelength of light which created the pattern.. Accompanied by an activity sheet.

 

Least Time Principle

Use a lifeguard-swimmer analogy to explore the relationship between the speed of a wave in two different media and the angles of incidence and refraction for the wave as it crosses the boundary between the media. Accompanied by an activity sheet.

 

Refraction of Light

Investigate the reflection and refraction of light at a boundary. Alter the indices of refraction for the two media and change the angle of incidence. Explore Snell's law of refraction and total internal reflection.

 

Lenses

Investigate how the image characteristics for a lens depend upon the object's distance from the lens. Drag the object to different locations and view the appearance of the image. Change the focal length, the object height and show three principal rays.

 

 

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