Pupils discover many facts about horseshoe crabs. Students identify the main body parts of horseshoe crab. They explore the habits of the horseshoe crab and their importances to the ecosystem. Adaptations for younger pupils are included.

In this Delaware worksheet, students answer multiple choice questions about Delaware's famous people, places, and history. Students answer 10 questions.

In this arthropods worksheet, high schoolers will review the characteristics of the different types of arthropods including spiders, ticks, crustaceans, millipedes, and insects. Students will also understand the difference between...

Learners study fossils. They examine samples of specific fossils--including a shark tooth, a brachiopod, and horn coral, among others. They visit corresponding websites and complete a worksheet regarding each of the fossils.

In this marine animals worksheet, students complete a word search of 23 marine animals whose names are given at the bottom of the page.