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This is a lesson about impact craters; the relationships between crater size, projectile size and projectile velocity; and the transfer of energy in the cratering process. Learners will create plaster of Paris or layered dry impact craters and... (View More)

This is a lesson plan for several related activities about the Sun. Learners will observe how a candle flame is like the Sun, brainstorm why the Sun is needed and how energy from the Sun is used, construct a Sun-Earth scale model illustrating both... (View More)

This activity uses the height of the North Star, Polaris, in the northern horizon as a means of determining the observer's latitude. This link between the height of the star and the latitude was critical for navigation by peoples in the Northern... (View More)

This is a lesson plan for several related activities about the Sun. Learners will observe how a candle flame is like the Sun, brainstorm why the Sun is needed and how energy from the Sun is used, construct a Sun-Earth scale model illustrating both... (View More)

This field activity introduces students to the concept of a system. Students identify the components, inputs and outputs of the local system at a range of biometry study sites, as well as the boundaries of their investigations at these sites in... (View More)

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