Unit D - Section 2
Internal and External Forces
The following link was developed by the Calgary Board of Education. It has demonstrations and examples for this topic, as well as the rest of the unit.
http://schools.cbe.ab.ca/b620/pdfs/science/7_D.pdf
The next link is a set of notes that outlines internal and external forces.
http://mrdenney.weebly.com/uploads/1/3/7/6/13767597/lesson_10.4-_external_and_internal_forces.pdf
This link outlines an experiment that helps students understand the forces behind the ability of a structure to support a load.
http://mrdenney.weebly.com/uploads/1/3/7/6/13767597/lesson_11.3_factors_affecting_a_structures_ability_to_support_a_load.pdfThe last link is for a webpage that outlines several of the topics covered in this unit. It includes levelled notes and experiments.
http://mrdenney.weebly.com/science-grade-7.html
Finally, this link is for a booklet that outlines experiments on loads and structures.
http://www.edu.gov.mb.ca/k12/cur/science/found/5to8/7c3.pdf
The following link was developed by the Calgary Board of Education. It has demonstrations and examples for this topic, as well as the rest of the unit.
http://schools.cbe.ab.ca/b620/pdfs/science/7_D.pdf
The next link is a set of notes that outlines internal and external forces.
http://mrdenney.weebly.com/uploads/1/3/7/6/13767597/lesson_10.4-_external_and_internal_forces.pdf
This link outlines an experiment that helps students understand the forces behind the ability of a structure to support a load.
http://mrdenney.weebly.com/uploads/1/3/7/6/13767597/lesson_11.3_factors_affecting_a_structures_ability_to_support_a_load.pdfThe last link is for a webpage that outlines several of the topics covered in this unit. It includes levelled notes and experiments.
http://mrdenney.weebly.com/science-grade-7.html
Finally, this link is for a booklet that outlines experiments on loads and structures.
http://www.edu.gov.mb.ca/k12/cur/science/found/5to8/7c3.pdf