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Earth history  
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This activity explores how ancient Sun observers made use of natural and built structures to mark solar alignments observed at different times of the year, particularly around the solstices and equinoxes. In Part 1, the teacher prepares a horizon... (View More)

Remote sensing detects both human and physical features by using seven distinct image elements: tone, shape, size, pattern, texture, shadow and association. Students are introduced to each of these elements individually through images, descriptions... (View More)

This is a reading-comprehension lesson about historical meteorite falls. Learners will read about large historical meteors and meteorites falls, discuss the effects on people, and compare their reactions with those in recorded history. Suggestions... (View More)

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

This is a lesson about the important materials brought to Earth by carbonaceous chondrites. Learners will conduct experiments that simulate how the carbon material and water from carbonaceous chondrites may have helped early life on Earth, grow... (View More)

This is a lesson about discerning fact and fiction in news articles. Learners will read tabloid articles about meteorites and decide if the information is fact or fiction. Questions, extensions, and advanced preparation and procedural tips are... (View More)

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