Filters: Your search found 5 results.
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Informative text  
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Learning Time:
1 to 2 hours  
Topics/Subjects:
Earth structure  
Instructional Strategies:
OTHER  
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Now showing results 1-5 of 5

This is a hands-on lab activity about the water cycle, specifically evaporation and condensation. Using materials such as clay, ice and a lamp, learners will observe the relationship between temperature and condensation and temperature and... (View More)

This is a hands-on lab activity about evaporation. Learners will conduct experiments to observe the process of evaporation. They will then describe the process of evaporation, and the general water cycle, through discussion and pictures. Background... (View More)

Keywords: Water cycle

This is a hands-on lab activity about the chemical composition and conductivity of water. Working in groups, learners will: conduct an experiment involving the process of electrolysis, prepare an experiment to better understand the process of ion... (View More)

Keywords: Electrolytes; Salinity
Audience: High school
Materials Cost: $1 - $5 per group of students

This is an activity about the declining strength of Earth's magnetic field. Learners will review a graph of magnetic field intensity and calculate the amount by which the field has changed its intensity in the last century, the rate of change of its... (View More)

Audience: Middle school, High school
Materials Cost: Free

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 for student mapping and vocabulary words are included. This is lesson 15... (View More)

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