Khan Academy (Environmental Science Section)

• Website: https://www.khanacademy.org/science/environmental-science
  Features: Offers practice exercises and instructional videos in environmental science topics such as ecosystems, biodiversity, human impacts on the environment, etc.
  
  

Quizlet (Environmental Science Flashcards)

• Website: https://quizlet.com/subject/environmental-science/
  Features: Flashcards and quizzes on various environmental science topics. You can search or create your own set of questions.
  
  

ProProfs Quiz Maker (Environmental Science Quizzes)

• Website: https://www.proprofs.com/quiz-school/
  Features: Create or access quizzes on Environmental Science. Topics include climate change, pollution, ecology, and more.
  
  

Toppr (Environmental Science Practice Tests)

• Website: https://www.toppr.com/
  Features: Offers practice tests, quizzes, and study materials for Environmental Science, especially for school and competitive exams.
  
  

Testbook (Environmental Science Practice Questions)

• Website: https://testbook.com/
  Features: Provides practice tests and question banks for environmental science, particularly for competitive exams in India like UPSC, State PSC, and others.
  
  

Magoosh (GRE Environmental Science Practice)

• Website: https://magoosh.com/
  Features: While primarily for GRE prep, Magoosh offers practice questions and mock tests in general environmental science topics relevant to graduate-level exams.
  
  

EnvironmentalScience.org (Practice Questions for Environmental Science Exams)

• Website: https://www.environmentalscience.org/
  Features: Provides detailed resources on environmental science programs, certifications, and practice questions for various environmental science exams.
  
  

Edmodo (Environmental Science Quizzes)

• Website: https://new.edmodo.com/
  Features: Teachers and students can create and share quizzes on environmental science topics. Edmodo is used by schools globally for assessments.
  
  

Socratic by Google (Environmental Science Q&A)

• Website: https://socratic.org/
  Features: A question-and-answer platform that helps students by solving environmental science questions and providing additional resources for practice.
  
  

Brilliant (Problem-Solving in Environmental Science)

• Website: https://brilliant.org/
  Features: Problem-solving platform with interactive challenges and quizzes on environmental topics, designed to enhance logical thinking and application in real-world problems.
  
  

Wiley Online Library (Environmental Science Practice Tests and Resources)

• Website: https://onlinelibrary.wiley.com/
  Features: Academic platform with access to environmental science journals, research papers, and practice tests for environmental professionals.