Filters: Your search found 13 results.
Query parameter - audienceRefinement - not supported:
Educator  
Educational Level:
Middle school  
Topics/Subjects:
Earth history  
Sort by:
Per page:

Now showing results 1-10 of 13

In this problem set, learners will analyze a table of the length of day (hours) and the number of days per year on Earth in past eras. They will calculate future values, plot some of the data and identify the rate of increase. Answer key is... (View More)

Keywords: Inquiry; Table analysis
Audience: Middle school, High school
Materials Cost: Free

This activity is designed to introduce students to planetary geologic features and processes. First, students will use NASA satellite images to identify geologic surface features on the "Blue Marble" (Earth), and will explore the connection between... (View More)

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)

In this activity, students begin learning about archaeoastronomy much as the first skywatchers began learning about the sky: by observing and wondering. Students observe photographs and drawings of petroglyphs, pictographs, and natural and... (View More)

In this activity, students learn the basics of the horizon, direction and the rising and settings of the Sun and stars by making a schoolyard "medicine wheel" with sidewalk chalk on playground asphalt. Medicine wheels are stone rings constructed by... (View More)

This site contains a variety of educational and supporting materials related to microbiology. Information is provided about microorganisms, extremophiles and extreme habitats, as well as links to online resources that provide information about the... (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)

Remote sensing, using Thermal Infrared Multispectral Scanner (TIMS) data, has lead to the discovery of previously unknown roads in the canyon area of New Mexico once occupied by the Anasazi culture. Students will use those images, along with maps... (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)

«Previous Page12 Next Page»