Movement without friction

Video plus cga to demonstrate the relation between experiment and simulation about movement without force

air_cushion.mpg
(7MB)

Movement of Free Fall

Video plus cga as a motivating introduction to the topic of free falling objects

free_fall.mpg
(6MB)

Drop tower

Video plus cga as a motivating introduction to the discussion about the difference of "being weightless" and "being free of force"

drop_tower.mpg
(6MB)

Centripetal Force

Video plus cga as a motivating introduction to the question: Centripetal or centrifugal force?

ball_beaker.mpg
(8MB)

Raising bubbles

Three Videos (cga) to demonstrate the concept of inertia
(1. Newtonian principle)

bubbles.mpg
(6MB)

Driving vehicle

vehicle.mpg
(8MB)

Aeroplane approaching the airport

airplane.mpg
(7MB)

Electric Motor

Video plus cga for an explanation of a dc-motor

motor_eng.mpg
(5MB)

Experimenting with an Electric Motor

Video for testing the learning result

motor_exp_eng.mpg
(5MB)

Orienting a Satellite in space

Video for introduction to the topic

sat_cam_eng.mpg
(11 MB)

Control of an electric toy train

Video about the experiment

train.mpg
(23MB)

Gyroscope without external force

Video plus cga to demonstrate the relation between experiment and simulation

gyros_free.mpg
(9MB)

Gyroscope under an applied external force

gyros_force.mpg
(9MB)

Phases of the Moon

Cga about the cause for the regulare phases of the moon

moon_phase.mpg
(11 MB)

Lunar Eclipse

Cga about the cause for a lunar eclipse and why it does not occur regularly

lunar_eclipse
(13MB)

Satellite orbits in 3D and 2D Gyroscope without external force

Relation between satellite orbits in space and its representation on a map

planets.mpg
(21 MB)

Retrograde Movement of Mars

Pointing to the importance of the frame of reference for the description of moving objects

mars_eng.mpg
(27 MB)

Satellite orbits in 3D and 2D

Relation between satellite orbits in space and as seen on a 2d world map.

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Geostationary orbit
(and a question)

geo_1_eng.mpg
(9MB)

Geostationary orbit
(and the answer)

geo_2_eng.mpg
(10MB)

Circular orbit

circle.mpg
(9MB)

Polar orbit

polar_eng.mpg
(9MB)

Molniya orbit

mol_eng.mpg
(12MB)