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Algebra
Earth processes
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High school
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# Black Ice: A Slippery Arctic Road

In this lesson students investigate the effects of black carbon on arctic warming and are introduced to a mechanism of arctic warming that is not directly dependent on greenhouse gases in the atmosphere: black carbon deposition on Arctic snow and... (View More)

Audience: High school
Materials Cost: \$10 - \$20 per group of students

# Sampling Carbon Dioxide

In this lab activity, student teams hypothesize which source has a greater becomes CO² concentration: their breath, auto exhaust, or air in the classroom. They test gas samples from each of these sources, plot data, and hypothesize about the... (View More)

# Ice Core Lab

In conjunction with discussions on atmospheric CO2, timescales, and proxy data, students will make, dissect, and analyze an ice core. The activity allows students to study changes in Earth’s atmospheric composition and temperature on millennial to... (View More)

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

# What Drives the Global Conveyer Belt?

In this laboratory activity, students observe what happens when a fluid of one density is placed in a fluid of a different density. The fluids are salt water and fresh water, cold water and warm water. They generalize their results to describe what... (View More)

# Measuring the Heat Capacity of Greenhouse Gases

This quantitative experiment involves lab teams in comparing a sample of room air with one of the greenhouse gases - carbon dioxide, nitrous oxide, or methane - and measuring their heat capacity. The activity requires an infrared heat source, such... (View More)

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

# How does Ocean Temperature Affect Absorption of CO²?

In this laboratory investigation, student teams discover that the ocean's capacity to dissolve carbon dioxide depends on its temperature, and consider the effect of a warming ocean on CO² absorption. The activity requires Bromothymol blue indicator... (View More)

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

# Carbon Cycle - CDOM Activity: Chromophoric Dissolved Organic Matter (CDOM)

In this laboratory activity, students investigate chromophoric dissolved organic matter (CDOM) through gradual dilution of black, green and chamomile tea. Through this activity, students discover how CDOM can dominate the absorption of sunlight, how... (View More)

# Carbon Cycle: The Global Exchange of CO² Between the Ocean and the Atmosphere Activity

In this laboratory activity, students experiment with becomes CO² concentrations in water as a prelude to investigating the marine carbon cycle. The activity includes a worksheet and assessment questions. Tap water, ocean water (real or simulated),... (View More)

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

# How Clouds Form-Understanding the Basic Principles of Precipitation

The purpose of this investigation is to understand the change that takes place when water condenses from a gas to a liquid, and how a change in pressure affects this transformation. Materials needed for the experiment include a large (2L) soda... (View More)

# Does Air Have Weight?

This experimental activity is designed to develop an understanding that air has mass. Students conduct an investigation and observe the change in the position of a bar balancing a balloon inflated with air on one end and a uninflated balloon on the... (View More)

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