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Physical sciences  
The nature of science  
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In this hands-on activity, students conduct bottle experiments to learn about the conditions that best facilitate the decomposition of organic material in soil. In the lab, they observe changes in the decomposition of vegetable scraps by varying the... (View More)

This activity guides students through sampling, identification and counting of macroinvertebrates sampled in a GLOBE hydrology study site, and understand how the taxa composition found in the sample can be an indicator of water quality and ecosystem... (View More)

In this laboratory activity, students analyze soil samples from their homes to identify soil properties and learn about soil classification. Soils sampled by students from different environments are compared, and students ask questions about the... (View More)

In this 2-part inquiry-based lesson, students conduct a literature search to determine the characteristics of the atmospheres of different planets (Venus, Mercury, Mars and Earth). After collecting and analyzing data, student teams design and... (View More)

This is a design challenge about heat transfer and insulation. Learners will apply the scientific method to design and build a container that will keep items cool when placed in boiling water. They will practice collaboration in team-building and in... (View More)

Audience: High school
Materials Cost: Over $20 per group of students

This is a lesson about infrared radiation. Learners will investigate invisible forms of light as they conduct William Herschel’s experiment and subsequent discovery of infrared radiation. They will construct a device to measure the presence of... (View More)

This is a lesson about passive cooling methods. Learners will construct a simple device to measure how effective different materials are for protecting against sunlight, explain how heat relates to the motion of atoms and molecules, describe how... (View More)

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

In this introductory classroom activity, students exercise their scientific skills of observation and deduction as they use their senses and simple laboratory assays, such as pH indicator paper, to identify mystery pollutants in water samples.... (View More)

In this lab-based activity, students learn how to use scientific instruments used to take hydrological data. Students will rotate among measurement stations for each of the hydrology protocols that will be done by the class. They will practice using... (View More)

This is an activity about measuring craters using shadows and geometry. Learners will make a model crater and use a light source to make a shadow. When they are familiar with the techniques for estimating depths from shadows, they will apply their... (View More)

Audience: High school