An eight-unit electronic textbook provides a guide to AP® Biology. Each of the 28 chapters include an introduction, multiple lessons, a summary, review questions, and test prep questions. Teachers see how each lesson connects to a big...

Almost one fifth of your weight is in your skin, but why does it weigh so much? Viewers learn about the integumentary system and the many functions it performs constantly to keep them safe. Then, they answer multiple choice and...

Gravity is just one consideration when determining human habitability on a new planet. The instructional activity connects four different units and starts with connecting the various systems: planetary systems, human body systems, etc....

A set of printable skeletons will make a perfect addition to any class learning about life science. With life-size displays of both an adult and juvenile skeleton, the educational resource will engage young scientists as they learn about...

Let your heart rejoice! A unique video explains in detail how the heart works to transport blood throughout the human body. Use it during your human body unit, and then discuss the accompanying comprehension questions as a review of the...

This lesson won't get on your nerves! Find out how one kind of cell can cause comfort, terror, or pain in your brain. Comic strip and cartoon style animation is used to help explain the transmission of electrical nerve impulses and the...

With a partner, youngsters measure their pulse and breathing rates, both at rest and after running in place for a minute. While this activity is not novel, the lesson plan includes a large-scale classroom graphing activity and other...

What a festive way to examine what happens to the heart in different gravitational situations! Small groups place a water-filled balloon in different locations (on a table top, in a tub of water, and held in a vertical position), drawing...

Break hearts with this lesson plan: chicken or sheep hearts, that is! Your class examines the external and internal structure of the heart with a dissection activity. A handy anatomy resource provides the necessary materials for...

Lub-dub, lub-dub. Why does the heart beat? Why does blood circulate throughout the body? Life scientists find out how important circulation is for dissolving and dispersing materials by timing how long it takes for food coloring spread...

In cooperative groups, middle schoolers contemplate the probability of 18 different situations occurring. After they make predictions, they compare them to the actual risk factors. This eye-opening exercise demonstrates that the odds of...

Using a simple circuit with the battery representing the brain, future physiologists test to see which solutions conduct electrical "nerve impulses." Enlighten learners with plentiful information on electric signals in the nervous system...

Break your class in to the general structure and function of the brain. Brainiacs discuss what they know about it and create personalized brain development timelines. They also take a true-false, pre-assessment quiz to get them thinking...

Your class won't get on your nerves while doing this modeling activity! After teaching the structure and function of a neuron using the included diagrams, give individuals some clay and chenille stems so that they can make their own...

Paul Andersen compares your endocrine system to Facebook and your nervous system to Gmail in order to show the differences in response time. He then delves into specifics of your endocrine system, talking about hormones that are water...

As the title implies, the first few weeks of a baby's development are shown in the animated video. From its beginnings as a blastocyst to cell differentiation and intense development, see just how complex reproduction and the beginning...

Nurb is selling tongues. He pitches his product by showing all of the amazing tasks it can perform. Cute cartoon characters, colorful animation, and preteen-appealing humor make this clip a "terrific tool for tasteful teaching." (How's...

In the setting of a variety show, Nurb sings onstage about human teeth. He goes through the progression of how they grow, when they are lost, and when wisdom teeth come in. He chirps about the different types of teeth and what roles they...

Viewers visit the gym where two kids and a body-building adult are working out. The characters discuss three types of muscles: smooth, cardiac, and skeletal. With middle school humor, colorful animation, and clear information, viewers...

Get your class thinking with animations of neurons in action and explanations of how stimuli is transported and processed. This film makes an ideal introduction or review of the nervous system. The parts of the brain and what they...