As a review or note taking guide, this resource wraps up a unit on the tree of life. Biology bigwigs define phylogeny and answer questions about the subsequent classification of organisms. The worksheet takes a straightforward and...

In this Earth's history worksheet, students will complete 5 true or false questions based on the early history of the Earth. Students will match 7 fossil vocabulary words to their definitions. Students will complete 4 short answer...

For this earth science worksheet, students complete 12 questions about rocks and fossils in the form of anagrams, riddles, sequences, and brain teasers.

In this rocks activity, students review how sediments are layered over time and how the relative ages of rocks are determined. This activity has 1 matching and 11 multiple choice questions.

In this history of life worksheet, students complete a crossword puzzle by figuring out the vocabulary words associated with the 11 clues given. Then students review how paleontologists use fossils to learn more about past living things...

In this geologic time worksheet, high schoolers review how fossils were formed and the events that mark the various geological eras and periods. This worksheet has 10 fill in the blank and 9 short answer questions.

In this energy from atoms learning exercise, students match 10 sentences to given terms related to nuclear energy, electricity, fission, and nuclear reactions. They also answer 3 questions about nuclear waste and atomic reactions.

In this age of rocks worksheet, students answer five matching questions about terms related to the decay of atoms. They use a strip of paper to simulate half life of atoms and determine the total amount of time it took to deplete the paper.

In this ages of rock worksheet, students will review the processes and techniques of determine the age of rocks. Then students will use a rock layer diagram to determine what rock materials are older or younger. This worksheet has 16...

In this dinosaur vocabulary skills worksheet, students match the 11 listed dinosaur-related terms to the appropriate sentences that describe each of them.

In this biology worksheet, students identify and write the various species that are still present today. Then they define evolution using three words. Students also describe what a fossil is and give some examples related to a particular...

In this air pollution worksheet, students match 10 terms related to acid rain, pollution, and smog to their definitions. They complete 5 puzzles to create words related to air pollution by combining 2 terms.

In this crossword puzzle, students complete a crossword puzzle related to dinosaurs, the era in which dinosaurs lived, and about other animals that lived during that time period.

In this evolution worksheet, students will complete a table by writing in the era and biological event based on 4 different time periods of Earth's history. Students will answer 8 fill in the blank questions based on the different origin...