Tenth graders test their saliva for enzyme activity. In this enzyme lesson, 10th graders conduct an experiment to test the enzymatic activity of their saliva. They relate the lack of certain digestive enzymes with alcoholism.

Learners examine and research the human digestive system and what happens to the food we eat. They read the article, The Passage of Food, participate in an experiment with crackers, and write a paragraph summarizing the function of the...

Seventh graders trace a piece of food through the alimentary canal and differentiate between mechanical and chemical digestion in several different hands-on activities related to digestion.

Students explore oxygen properties by conducting a cell experiment in class. In this respiration lesson, students discuss the process of breathing and how oxygen is inhaled before carbon dioxide is exhaled. Students utilize yeast, water,...

Explore the circulatory system with a cardiovascular pump activity that promotes discovery and discussion as class members create a functioning model of the heart. Continue the learning process through a web quest showcasing the...

In this digestion worksheet, students will match 12 terms associated with the digestive system to their correct definition. The vocabulary words review the digestive system organs and their functions.

Young scholars explore how a cow digests the grass they eat. In this science/math lesson, students compare the quality of forage. Additionally, young scholars determine the effects of rangeland health on the production.

Students brainstorm a list of potential uses for micro-video technologies. After reading an article, they analyze the development of a new pill-sized camera. In groups, they create a children's book that shows them the various systems of...

Learners design a pumping device that will effectively pump fluid through a model "cardiovascular system." They explore the effects of too much and too little pressure on a circulatory system.

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.

Middle schoolers discover how worms contribute to the balance of the environment. In this composting lesson, students study the composting and decomposition processes. Middle schoolers then create habitats for worms that allow them to do...

Beginning botanists view slides of plant vascular tissue. They watch Magic School Bus Gets Planted, which you can find online, and then write a summary of what they have learned about plants. This lesson could be used with upper...

Practice nutritional cooking with a collection of fun meal preparation lessons. Each lesson includes a focus, objective, collaborative activity, and recipe to culminate what young cooks have learned about healthy eating.

Pupils explore and study all about teeth and eating. They examine types of teeth, how their teeth develop, looking after teeth and teeth in other animals. Each student also reviews the process of how teeth help all mankind to eat food.

Students demonstrate the path of food in the body. In this biology instructional activity, students conduct an experiment to determine how large the the digestive system is. They name the different organs involved in the digestive process.

Learners consider the affects of space travel on the human body. In this human physiology lesson, students compare how the 5 different body systems work on Earth and in Space. Learners then design a product that an astronaut could use as...

The nitrogen cycle is the focus of a well-designed science instructional activity. In it, learners see that plants and animals produce waste products and decompose after death. Many of the waste products include nitrogen which is absobed...

High schoolers think of one way to detect photosynthesis in plants besides those ways shown in class. They identify the reaction that occurs during photosynthesis. Students define the difference between an acid and a base. They identify...

Students examine organisms that are composed of tissues, organs, and systems. They dissect a fetal pig and explore the assigned organs systems such as the skeletal, muscular, and circulatory organs. Students identify and explain their...

Explore human anatomy and physiology using models. Scholars study systems of the human body and design a display for a museum exhibit. To complete the activity, individuals create analogous models of their chosen human body systems.

This presentation begins with the many problems multicellular organisms which rely on diffusion encounter. There are many diagrams of mammalian organ structures, and they are labelled with their relevant functions. This an excellent...

Examine the structures of the kidney and then define the functions of the specialised structures.  Every will find this powerpoint engaging, many of the images will present facts such as osmolarity of interstitial fluid and the...

Students identify the external features of the earthworm. They view a video about different features of an earthworm. They research information about annelids on the Internet. They compare and contrast the earthworm with another annelid.

For this protist worksheet, students complete a crossword puzzle with 34 questions about the behaviour and different types of protists.