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Filters: Your search found 56 results.
Educational Level:
Middle school  
Instructional Strategies:
Generating and testing hypotheses  
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Now showing results 51-56 of 56

In this inquiry investigation, students conclude that the motion of the Earth is linked to the changes we observe such as the length of the day. Students learn about the reason behind the Earth's time zones. An optional water clock and sand clock... (View More)

In this inquiry investigation, students discover how a given amount of light changes in intensity when the area it shines on changes, and that change in light and heat occurs when the Earth is tilted towards or away from the Sun. Supplies required... (View More)

This is an activity about the conditions for a sustainable biosphere. Learners will build a biosphere that is a balanced, self-enclosed living system able to run efficiently over a long period of time. This activity is in Unit 3 of the Exploring the... (View More)

In this activity, learners will investigate and try to explain various lunar anomalies. They will present hypotheses (both written and oral) and then debate the merits of each hypothesis, with no right or wrong answers. This activity is in Unit 2 of... (View More)

Audience: Elementary school, Middle school, High school
Materials Cost: Free

This is an activity about observing sunset positions. Learners will observe the position of sunset over the course of two to three months, at minimum, or up to a year, at maximum, and discuss results and predict future sunset locations. This is... (View More)

This is an activity about observing sunset positions. Learners will observe the position of sunset over the course of two to three months, at minimum, or up to a year, at maximum, and discuss results and predict future sunset locations. This is... (View More)