Dissolved Oxygen Inquiry
Earth Science • Environmental Science

Dissolved Oxygen Inquiry

Dissolved Oxygen (DO) is simply oxygen gas (O2) dissolved in water, but it’s one of the best indicators of a healthy aquatic ecosystem. For most freshwater environments, a DO concentration of 5–10 mg/L (or ppm) is needed...

Vapor Pressure and Humidity
Chemistry

Vapor Pressure and Humidity

Equilibrium and vapor pressure can be difficult concepts for students to visualize and grasp. Luckily, most students will be familiar with humidity. By using humidity, you can introduce equilibrium and vapor pressure in terms...

Evaporative Cooling
Biology

Evaporative Cooling

This activity can help refresh your students on the scientific method and provide some biological context to the "chemistry of life" content that often kicks off the school year. Perspiration is critical to human evolutionary...

Introduction to Chemistry - Antacid and Vinegar
Chemistry

Introduction to Chemistry - Antacid and Vinegar

Introduce your students to core chemistry concepts as well as data collection and analysis with a quick demonstration using common household chemicals. This classic demonstration of a chemical reaction is quantified and enhanced...

Tracking Weather
Earth Science • Environmental Science

Tracking Weather

Help your students understand weather, fronts, and air masses with a Weather/Anemometer Sensor. This MultiMeasure™ sensor collects nearly all relevant data associated with monitoring weather, giving you a small weather...

Visualize GPS Data with ArcGIS Online
Earth Science • Environmental Science

Visualize GPS Data with ArcGIS Online

Whether you’re collecting water quality, weather, or species distribution data, there are often patterns that are only visible in a geographic context. Geographic Information System (GIS) software can help students visual...