Earth's systems respond to changes in environments in all types of ways including migration, extinction, adaptation, immigration, and emigration to name a few. Part one in a series of seven is a pre-test consisting of 14 questions. Some...

Young travelers plan a trip to Hilbre Island based on constraints on tides and time. They use a timeline to help determine the optimal day/time to make the trip.

Take this interactive, multiple-choice quiz over bird migrations, then review your score and any missed questions at the end.

Links to science quizzes about animals and birds. Topics include animal classification, butterfly, beetle and frog life cycles, spiders, bats, birds of prey, owls, birds of the jungle, rainforest, cold climates and migration.