In this biochemistry worksheet, high schoolers review amino acids, proteins, lipids, and carbohydrates. This worksheet has 29 multiple choice, 8 fill in the blank, and 3 short answer questions.

In this introduction to chemistry worksheet, students answer 9 questions regarding the study of chemistry. The first part is matching, then they "think like a scientist" and then they problem solve.

In this preposition worksheet, learners fill in blanks in sentences, clicking on a "check" button for immediate feedback. A reference web site is given for additional activities.