In this chemistry of food worksheet, students complete 20 various types of questions related to food and nutrition. First, they complete a crossword puzzle with vocabulary terms. Then, students use the figure shown to write the...

Students explore the role of enzymes in chemical reactions. In this enzymes lesson plan, students use hydrogen peroxide and manganese dioxide to observe a chemical reaction. Students observe the rates of reactions of chalk, hamburger,...

In this life characteristics worksheet, students answer 16 questions about living things, Redi's experiment, basic needs, growth and development.

Pupils examine the effect of different types of light on the Earth. They discover the role of evaporation and the effects of the sun on the magnetosphere. They also observe different solar phenomena.

Fourth graders are divided into small groups and collect 4 objects from the playground. They take 5 to 10 minutes to classify their groups and discuss their findings including the terms "living" and "non-living". As a class they discuss...

Students recognize that certain populations have specific genetic disorders that could benefit or harm them in their environment, work out punnett square problems and infer offspring probabilities from results, and provide advantages and...

Students, through exercises and discussions, examine ethics involved in the process of choosing and using laboratory animals, respect for the animal they dissect and how to behave in an ethical manner as they dissect various lab specimens.

Students examine protein, what it is and how it functions in the body.  In this protein instructional activity students study the food pyramid, what a protein is and what it does. 

Pupils research chemical components of coal, as well as environmental health impacts of mining and burning coal. They discuss conservation of mass as it relates to combustion of organic compounds.

Review concepts covered in high school biology dealing with cellular respiration. Page includes vocabulary as well as charts to explain the process.

An article reviewing how energy flows in a cell including metabolic pathways.

Try these fifteen multiple-choice review questions over cellular energy.

Learn all about cell membranes in this game. Build a plasma membrane and learn about the membrane's functions. Identify the parts of a membrane, and learn how diffusion, transport, and osmosis work in cells. Includes a worksheet that can...

Take this interactive, multiple-choice quiz over the biochemical processes of life, then review your score and any missed questions at the end.

Take an interactive quiz over biochemistry and organic chemistry. After completing the quiz, check your score, and then revisit any incorrect question for further review.

A collection of articles about innovations in automotive technology. Titles include: Prying Open the Prius, Cheaper Fuel Cells, Better than Hybrids, and Free Power for Cars.

Take this ten-question review quiz over the cell organelle, mitochondria. Read more about each question after an incorrect answer is given.