Interactive, Other


This site offers 8 environmental experiments:

Experiment 1: Measuring pH

Experiment 2: Determining the pH of Common Substances

Experiment 3: Making a Natural pH Indicator

Experiment 4: Measuring Soil pH

Experiment 5: Soil Buffering

Experiment 6: Observing the Influence of Acid Rain on Plant Growth

Experiment 7: Observing Buffers in Lakes, Ponds, and Streams

Experiment 8: Looking at Acid's Effects on Metals

This resource is part of the Biology Links for One Laptop Per Child course which contains units on Exploring Life; The Cell; Genetics; Mechanisms of Evolution; The Evolutionary History of Biological Diversity; Plant Form and Function; Animal Form and Function; Ecology; and Astrobiology.


  • Science > General
  • Science > Biology
  • Science > Ecology

Education Levels:

  • Grade 3
  • Grade 4
  • Grade 5
  • Grade 6
  • Grade 7
  • Grade 8
  • Grade 9
  • Grade 10
  • Grade 11
  • Grade 12


student-facing Ecology Environment Acid Rain Pollution Contamination pH



Access Privileges:

Public - Available to anyone

License Deed:

Creative Commons Attribution 3.0
Update Standards?

SCI.8.11.C: Science

explore how short- and long-term environmental changes affect organisms and traits in subsequent populations; and

SCI.9-11.2.E: Science

plan and implement descriptive, comparative, and experimental investigations, including asking questions, formulating testable hypotheses, and selecting equipment and technology;
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