In this antibodies worksheet, students use model diagrams of antigens, antibodies and blood cells to develop a visual understanding of the immune system. They draw diagrams of antibodies and antigens attached to each other and answer...

Students explore the parts of flowers and how they reproduce. They dissect flowers and observe the reproductive organs. Students observe anthers and ovaries of Tiger Lilies under a microscope. They investigate how insects and other...

Students explore various theories about laughter, laughter's effects on our mental health, and the benefits of laughter to our immune system.

Middle schoolers examine and compare traits of humans and crocodiles.  In this crocodile instructional activity students use a ratio to estimate the height of a person and compare that to a crocodile. 

Students engage in an interactive "hot potato" demonstration to gain an appreciation for the flow of electrons through a circuit. They role play the different parts of a simple circuit and send small items representing electrons (paper...

Young scholars conduct research and develop a matrix demonstrating the introduction and spread of common household items from 1900 to 2000 in the U.S. They conduct Internet research, watch and discuss a video, and develop the matrix.

A lively presentation presents general facts and history of nucleic acids in a note-taking format. Every slide contains colorful photos or graphics to illuminate and engage. Biology aces learn about the function and structure of...

In this science worksheet, students look for the words that are part of the word search puzzle that is focused around the theme of the sheet.

In this circulatory system worksheet, students review the functions of red blood cells, white blood cells, and platelets. Students label the parts of a human heart on a diagram. This worksheet has 4 short answer, 13 matching, and 9 true...

In this cells worksheet, learners review cell organelles and their functions plus the different processes that take place within cells. This worksheet has 9 matching and 5 true or false questions.

In this plant part activity, students read the classified advertisements and match each of the plant parts to the job descriptions provided.

In this health activity, students find the words that are part of the circulatory system and the answers are found by clicking the button at the bottom of the page.

Fifth graders use an analogy to the mail delivery system to study the workings of the human endocrine system. They discover the interrelationships between the human body systems while comparing them to engineering communicating with...

Pupils use the internet to research how the time of day affects the tides. They work together to develop a demonstration of the tide patterns for a month. They create a chart showing the relationship between tides and the phases of the...

Students recognize that inventions are developed to fill a need.In this inventions lesson, students become familiar with the inventing process and create simple inventions. Students complete a worksheet about their inventions.

Young scientists are introduced to the connections among cells, tissues, organs, and systems in a life science reading comprehension worksheet that asks them to respond to a series of questions based on the passage.

This complete activity includes short answer and multiple choice questions as well as a Venn diagram for comparing and contrasting mitosis with meiosis. Separate teachers' instructions are supplied. This could be used as homework and is...

Get up close and personal with DNA! A two-part hands-on activity has learners extract DNA from a small organism and then their own cheek cells. Scholars then explore DNA replication using questions to guide their analyses.

A resource rich in information—and nutrients. Learners create agars for the purpose of cell cultivation in Petri dishes. The lesson provides instructions on how to create agars for the cultivation of different microorganisms.

Not all energy sources are renewable, as learners investigate in this unit. Made up of six lessons that span a few weeks of instruction, the unit has learners examining US energy reserves and consumption, using data to draw conclusions...

After viewing this presentation, students create a complete set of notes to support their learning of DNA replication. Each slide has information on a step in DNA synthesis process. The slides focus primarily on the processes rather than...

An excellent review of the very specific stages of mitosis, the detailed slides start with explanations of the directionality of DNA and then develop the concept of daughter strands. The intricate diagrams are intended for experienced...

Peruse a workbook for every system in the human body. From cellular makeup to the integumentary system to human reproduction, the 300-page workbook features informative reading passages, guided practice, and humorous comic strips to get...

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