Our Experiment Library contains hundreds of free experiments and lab activities designed to engage students in active learning. Search by subject, grade level, or topical keywords. Download editable student labs, teacher notes with setup instructions, SPARKvue or Capstone software configuration files, and more, all for free!

High School / BiologyEnvironmental Science

Exploring Pond Water

Students use a digital microscope compatible with PASCO software to observe and identify life forms in a sample of pond water.

High School / BiologyEnvironmental ScienceLife Science

Digital Microscopy Journal

This single-page observation sheet can be used with impromptu digital microscope investigations. Attached appendices provide guidance on how to connect...

High School / BiologyEnvironmental Science

What Factors Affect Dissolved Oxygen?

Students will use a dissolved oxygen sensor to determine how different factors affect the concentration...

High School / BiologyEnvironmental Science

Photosynthesis and Respiration with Algae Beads

Students use a Wireless Optical Dissolved Oxygen Sensor (PS-3246) and a Photosynthesis Chamber (SE-3251)...

High School / BiologyChemistryEnvironmental Science

Enzyme Action (Optical Dissolved Oxygen)

Students use a Wireless Optical Dissolved Oxygen (ODO) sensor and (optional) Photosynthesis Chamber...

High School / BiologyEnvironmental Science

Cellular Respiration in Yeast (Optical Dissolved Oxygen)

Students use a Wireless Optical Dissolved Oxygen sensor and a Photosynthesis Chamber to investigate...

High School / Environmental Science

Drinking Water Quality: Hardness

How are total dissolved solids (TDS) measurements used to evaluate drinking water quality? In this investigation, students use a conductivity sensor to...

Middle School / BiologyEarth ScienceEnvironmental ScienceLife ScienceSTEM

Program a Greenhouse Sense and Control System (Advanced)

Students use an EcoChamber and a //control.Node along with all Greenhouse inputs (temperature, humidity,...

High School / Earth ScienceEnvironmental Science

Soil Type and Surface Moisture

Students use a soil moisture sensor to determine the surface evaporation rate for three different soil types and a mixed soil sample.

High School / Earth ScienceEnvironmental Science

Soil Moisture Field Study

In this field study, students use a soil moisture sensor and an on-board GPS sensor on their mobile device to determine the ability of soil to hold and...

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