Filters: Your search found 2 results.
Topics/Subjects:
Physical sciences  
Learning Time:
30 to 45 minutes  
Materials Cost:
$1 - $5  
Instructional Strategies:
Generating and testing hypotheses  
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This is a lesson to demonstrate magnetic field lines in 2- and 3-dimensions. In the first activity, learners sprinkle iron filings over a magnet underneath a paper and record their observations. The second activity involves building a 3-D magnetic... (View More)

Audience: Middle school
Materials Cost: $1 - $5 per group of students

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)

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