Ecosystem, human body system, weather system. We hear the word system a lot, but what does it really mean? In the activity, pairs or groups of learners discuss how a bicycle is a system and then analyze objects in their classroom and...

In this online interactive human biology crossword puzzle worksheet, students use the 9 clues to find the appropriate answers to complete the word puzzle.

In this health worksheet, learners complete the crossword puzzle based upon the theme of the nervous system and its interaction with the senses.

How do bones help people move around? A science investigation prompts kids to draw arrows to certain bones that protect their organs. After they finish, they trace their hands on a piece of paper and trace the way their bones go. Great...

In this digestive system worksheet, students read a 7 paragraph text to learn the functions of the digestive system. Students then answer 10 multiple choice questions. This is an online interactive worksheet.

In this biology instructional activity, students describe and name their organ system selected and its major functions. Then they create a diagram of their body system with the major parts and organs labeled. Students also write facts...

In this human biology interactive worksheet, students answer 13 questions based on their knowledge of the human body. There are eight multiple choice questions and five fill-in questions.

For this human body worksheet, students will review the characteristics of the body systems: skeletal, circulatory, muscular, digestive, urinary, endocrine, reproductive, lymphatic, and respiratory systems. This worksheet has 12 fill in...

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....

Consider this online interactive activity as a way to practice the names that often accompany human anatomy, such as the crown of the head and the roof of the mouth. Learners select an anatomy word with a double meaning from a drop-down...

In this nervous system worksheet, students answer thirty short answer questions about the structures and functions of the nervous system and its subsystems.

In this interactive crossword, students identify parts and function of the circulatory system. Hints and answers are available.

How do muscles move bones? Find out using a built-in-class model. Pupils construct a hand model with paper and string, then follow a series of directions to explore the movement process. Discover additional information about the muscular...

Different types of teeth have different roles. Third graders study how molars, incisors, and canines function in a rabbit skull and a cat skull. After answering some questions about the teeth of herbivores and carnivores, kids...

Help your class understand the magnitude of the distance between Earth and Mars with an activity that asks small groups to use balloons to create scale models of the Earth, Moon, and Mars. Class members figure out the distances...

What kinds of food can be bad for your teeth? Kindergartners and first graders explore dental health with an interactive science inquiry. Given a choice of foods such as celery, cake, and milk, kids choose which ones are better for their...

In this respiratory system worksheet, students complete a 20 word online interactive crossword puzzle with vocabulary pertaining to the human respiratory system.

In this interactive human biology instructional activity, students read ten riddles about body parts and type in the appropriate name of the body part the riddle is describing. Students also answer a nine word crossword puzzle that...

Promote reading comprehension and practice naming parts of the human skeleton with this online interactive worksheet! Scholars read about the functions of the human skeletal system, then work online to label a diagram by filling in 18...

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....

In this biology worksheet, students answer 14 questions related to the skeletal system using an interactive crossword puzzle.

In this interactive human biology learning exercise, students view an illustration of the digestive system and drag the 12 appropriate parts of the digestive system to the correct boxes.

In this skeletal system learning exercise, students label a diagram with the names of 12 bones in the human body. Students label the human skeleton in this online interactive learning exercise by dragging the names of the bones to their...

In this ear anatomy instructional activity, students complete an on-line interactive exercise. Students analyze a detailed diagram of the ear. Students drag the names of ten parts of the ear to the correct spot on the diagram.