In this mammals worksheet, students complete a crossword puzzle with 37 questions about characteristics, behavior and types of mammals.

Students explore human anatomy by graphing scientific data. In this vision lesson, students discuss how ophthalmology works and take their own eye assessment test using the Snellen chart. Students collect vision data from all of their...

Pupils take a personal inventory about behaviors. They determine if there are risky behaviors present that could be harmful. The inventory is used to help students examine how to make healthy decisions.

Ninth graders determine nucleotide sequences. They identify those base sequences that are normal, those that are normal variants and those that cause cystic fibrosis. Students use DNA nucleotide sequences to determine amino acid...

In this biology worksheet, students find the terms that are related to the human reproductive system and the answers are found at the bottom of the page.

In this disease worksheet, students will review the organs associated with the immune system including their specific functions. This worksheet has 10 matching, 8 true or false, and 5 short answer questions.

For this online interactive vocabulary skills worksheet, students match the 10 vocabulary terms in the word bank to the appropriate definitions. Students may submit their answers to be scored.

Learners investigate the interference of various drugs on an embryo through experimentation. This is an open-ended lab to allow students to see effects of various chemicals humans choose to put in their bodies and create questions they...

Students identify pictures of women labeling them pregnant or not pregnant. They discover what happens inside a woman when she is pregnant. They explain the relationship bettwen intercourse, fertilization and parenthood.

Each of the three activities submitted presents difficult science topics in the context of the human experience. The activities focus on real-world problems, which have science components, from the students' perspectives.

Young scholars examine their prior knowledge of cell regeneration and therapeutic use of stem cells. After reading an article, they discover new techniques for deriving embryonic stem cells. In groups, they research on the different...

Students research about the characteristics of HIV. In this biology lesson, students cite ways to prevent AIDS especially among uninformed teens. They plan a community awareness campaign targeting teens.

Students study the details of DNA restriction analysis and how RFLP's are used to locate genes on a map of DNA.

In this ESL worksheet, students read the given article and its presented vocabulary throughout.  Students respond to 51 short answer, matching, true/false, and fill in the blank questions.    

Students investigate public policy regarding genetic research and have formed an educated opinion on what they believe the government role should be.

Learn about the development of fetal organs and systems during the prenatal period.

[Free Registration/Login may be required to access all resource tools.] Covers major events in the growth and development of the fetus.

Students walk through a timeline of the phases of respiratory development in the fetus, and then propose reasons for fetal breathing movements.

This multiple-choice quiz on human fetal development allows students to get hints for each question and check their answers after submitting.

This lesson will describe the stages of development of an embryo during pregnancy.

Study the embryological development of heart structures including the five regions of the fetal heart with these learning exercises.

This article states that the basic flaw in the development of the brain is that nerve cells migrate to the strong area of the brain and leave small regions of the brain "miswired". This can begin during fetal development.

[Free Registration/Login may be required to access all resource tools.] Discusses the role of the placenta during fetal development.

Click on any embryo and start exploring one of the 23 stages of development during the 8-week embryonic period.