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# River currents

TLF ID L55

Steer a motor boat to moorings in a river. Adjust boat speed and direction to allow for water current movements. Change the frame of reference between the boat, buoy and water current. Use vectors and trigonometry to calculate relationships between angles, speed, distance and time. Answer questions about frames of reference for cars and roads. This learning object is one in a series of three learning objects. The series is also packaged as a combined learning object.

#### Educational details

Key learning objectives
• Students analyse the relative motion of objects by using vectors.
• Students explore relationships between scalar and vector values.
Year level

10

TopicsMotion
Learning area
• mathematics;
• science
Strand
• Science/Physical sciences
• Science/Science understanding
Concept
• Science/Motion
• Science/Simple experiments
• Science/Quantitative data
• Mathematics/Trigonometry
• Mathematics/Simultaneous equations
• Mathematics/Spatial patterns
Skill
• Analysis;
• Application;
• Comprehension;
• Knowledge
Student activity
• Interactives;
• Experiment;
• Analysis;
• Modelling
Learning design
• Experiential learning;
• Independent learning;
• Problem solving;
• Visual learning

#### Other details

Contributors
• Subject matter expert
• Organisation: Australian Science Teachers Association
• Address: Canberra ACT 2600 Australia
• URL: http://www.asta.edu.au/
• Technical implementer
• Publisher
• Date of contribution: 28 Jan 2014
• Organisation: Education Services Australia
• Address: Melbourne VIC 3000 Australia
• URL: http://www.esa.edu.au
Access profile
• Colour independence
• Device independence
• Hearing independence
Learning resource type
• Interactive Resource
Browsers
• Microsoft Internet Explorer - minimum version: 8.0 (MS-Windows) - maximum version: 9.0 (MS-Windows)
• Firefox - minimum version: (MS-Windows)
• Safari - minimum version: 5.1 (MacOS)
Operating systems
• MacOS - minimum version: 10.6
• MS-Windows - minimum version: XP - maximum version: 7
Rights
• © Education Services Australia Ltd, 2013, except where indicated under Acknowledgements.