In this scale worksheet, students use the SI system to compare the sizes of some of the smallest and largest organisms on Earth. This worksheet has 7 problems to solve.

In this biology worksheet, students find the vocabulary terms concerning the human body and the answers are accessed by clicking the button at the bottom of the page.

In this crossword puzzle instructional activity, middle schoolers answer 16 clues about vocabulary related to the human respiratory system. Clues list number of letters for correct word.

In this crossword puzzle worksheet, students are provided with the answers for 16 clues about vocabulary related to the human respiratory system.

After a lesson on the human skeleton, hand out a worksheet that requires learners to identify the pelvis, rib cage, skill, spine, and thigh bones. They draw a line from the name of the bone to its location on the skeleton. Tip: Instead...

Have a sense of humor when discussing human anatomy with your class! Through puzzles and riddles, learners become comfortable with words relating to reproduction and development. They combine mixed up words from the "vocabulary gene...

Get to know the body's central nervous system through an engaging game of nervous system telephone. But this isn't your average game of telephone. Here, pupils must find a way to communicate a message to the brain without speaking....

The living environment, from the interior of a cell to the complex relationships among populations, is queried in this final examination. Learners examine air pollution maps, cell diagrams, population graphs, and drawings of cells. They...

In this excretory system worksheet, students describe the functions that the organs of the urinary system perform and what happens when the kidneys do not work properly. Students also name the excretory organs of the body and explain why...

In this digestive system instructional activity, 9th graders describe the function of each organ listed that aid in the digestion of food. Then they label each organ on the diagram given at the bottom of the sheet.

In this human and avian skeleton review worksheet, learners read about both skeletal systems and respond to 10 fill in the blank and drawing questions.

In this science related worksheet, students locate and answer thirty three multiple choice questions regarding the digestive system in humans.

In this internal systems and regulation instructional activity, students correctly decide if given statements are true or false. Students apply information learned about the circulatory system to the given statements to determine...

In this nervous system worksheet, students read information about how the body receives and sends out information through the peripheral nervous system and central nervous system. Then students complete 3 short answer questions.

In this body systems worksheet, learners read information about the processes involved in the respiratory and urinary systems. Students then answer 1 short answer and 2 multiple choice questions.

In this circulatory system worksheet, students use an internet program to observe the circulatory system and answer short answer questions about it. Students complete 21 short answer questions.

For this nervous system alphabet book worksheet, learners study 26 neuroscience terms as they read the 26 terms and their definitions in the glossary. Some of the terms included are: receptor, unipolar, white matter, axon, hemisphere,...

Starting with a diagram of the kidneys and urinary tract of the human, this sheet has questions about excretion, blood concentrations of hormones, gland feedback mechanisms and the effects of some hormones.

Environmental science enthusiasts show what they know at the end of the year by taking this full-fledged final exam. They answer multiple-choice, graph interpretation, and essay-analysis questions, 73 of them in all. Topics range from...

The New York Regents High School Examinations are comprehensive and include various question formats, including multiple choice and graph analysis. This particular version, the 2008 Living Environment exam, surveys a variety of topics....

The 2005 version of the Regents High School Examination in ecology is as comprehensive as previous years' exams. It consists of 40 multiple-choice questions on topics ranging from the structure of DNA to interactions within an ecosystem....

In this endocrine system worksheet, students define 8 words associated with this human system. They answer 11 short answer questions about the structure and function of the organs and hormones that make up the endocrine system.

In this immune system worksheet, learners identify and name treatments that are currently available for the AIDS virus. Then they discuss some potential vaccines. Students also describe how new AIDS drugs are tested.

In this science activity, students learn parts of the body by cutting out 15 word and picture cards, There are no directions for the use of these cards. These are not pictures of internal organs, but body parts such as finger, nose, eye...