Tana River Basin in Kenya

Beschrijving

This YouTube documentary highlights the ecological and socio-economic importance of the Tana River Basin in Kenya.

Taal
English
Type bron
Uitgever
National Museums of Kenya
Publicatiedatum
Schepper/Auteur
National Museums of Kenya

Waves Intro

Onderwerp en thema
Beschrijving
  • Make waves with water, sound, and light and see how they are related.
  • Discuss wave properties using common vocabulary.
  • Explain how changing the frequency and amplitude affects the characteristics of the wave.
  • Design an experiment to measure the speed of the wave.
Taal
English
Type bron
Uitgever
pHET Interactive Simulations
Publicatiedatum
Schepper/Auteur
Sam Reid (Developer)
Amy Rouinfar (lead designer - HTML5)

Energy Skate Park: Basics

Beschrijving
  • Explain the Conservation of Mechanical Energy concept using kinetic energy (KE) and gravitational potential energy (PE).
  • Describe how the Energy Bar and Pie Charts relate to position and speed.
  • Explain how changing the Skater Mass affects energy.
  • Explain how changing the Track Friction affects energy.
  • Predict position or estimate speed from Energy Bar and Pie Charts.
  • Calculate speed or height at one position from information about a different position.
  • Calculate KE and PE at one position from information about a different position.
  • Design a skate park using the concepts of mechanical energy and energy conservation.
Taal
English
Type bron
Uitgever
pHET Interactive Simulations
Publicatiedatum
Schepper/Auteur
Noah Podolefsky (Lead)

Ramp: Forces and Motion

Beschrijving
  • Predict, qualitatively, how an external force will affect the speed and direction of an object's motion.
  • Explain the effects with the help of a free body diagram.
  • Use free body diagrams to draw position, velocity, acceleration and force graphs and vice versa.
  • Explain how the graphs relate to one another.
  • Given a scenario or a graph, sketch all four graphs.
Taal
English
Type bron
Uitgever
pHET Interactive Simulations
Publicatiedatum
Schepper/Auteur
Sam Reid (Developer)

Circuit Construction Kit: DC

Beschrijving
  • Explore basic electricity relationships.
  • Explain basic electricity relationships in series and parallel circuits.
  • Use an ammeter and voltmeter to take readings in circuits.
  • Provide reasoning to explain the measurements and relationships in circuits.
  • Build circuits from schematic drawings.
  • Determine if common objects are conductors or insulators.
Taal
English
Type bron
Uitgever
pHET Interactive Simulations
Publicatiedatum
Schepper/Auteur
Amy Rouinfar (lead designer - HTML5)

Circuit Construction Kit: AC

Beschrijving
  • Explain basic electricity relationships in series and parallel circuits.
  • Use an ammeter and voltmeter to take readings in circuits.
  • Provide reasoning to explain the measurements and relationships in circuits.
  • Build circuits from schematic drawings.
  • Determine if common objects are conductors or insulators.
  • Compare and contrast AC and DC circuits.
  • Describe how capacitors and inductors behave in a circuit.
  • Experimentally determine the RC time constant.
  • Construct RLC circuits and determine the conditions for resonance.
Taal
English
Type bron
Uitgever
pHET Interactive Simulations
Publicatiedatum
Schepper/Auteur
Amy Rouinfar (lead designer - HTML5)

Ohm's Law

Beschrijving
  • Predict how current will change when resistance of the circuit is fixed and voltage is varied.
  • Predict how current will change when voltage of the circuit is fixed and resistance is varied.
Taal
English
Type bron
Uitgever
pHET Interactive Simulations
Publicatiedatum
Schepper/Auteur
Michael Dubson (Developer/Lead)