Radioactive pollutants can enter the body through ingestion, inhalation, absorption, or injection. The last lesson in a series of 36 introduces pupils to radioactive pollution. They study its sources, both natural and man-made, its...

Is there medicine found in the organisms that live deep below the surface of the ocean? The fifth lesson plan in a six-part series has learners team up to research bacteria and the relationship it has with nearly every living thing on...

Did you know the hole in the ozone is seasonal and filled by January every year? The lesson uses scientific measurements of the ozone over the South Pole to understand patterns. Scholars learn that the hole grew bigger annually before...

Does the size of a sample change the physical properties of that substance? It turns out it can! Young scientists combine physics and chemistry to synthesize CdSe quantum dots and record their color properties. Learners should...

A red delicious apple tree with a simple mutation means we now benefit from the existence of golden delicious apples. Learn how simple mutations change genetic information in DNA sequences. Using biographies, videos, and animations,...

Should people be more worried about cell phone radiation? Scholars read extensive background information about the issue to prepare for a class discussion or debate. As they explore the website, they learn the main arguments for and...

Seventh graders explain the role of stratospheric ozone and predict at least three ways in which depleted ozone would change her/his lifestyle. They then describe the process by which chlorine or bromine compounds can break down ozone...

A graph of Earth's average monthly temperatures from 1990 to 1994 is posted across the top of the page for meteorology masters to analyze. Five multiple choice questions are asked regarding temperature variation. This does not have to be...

Students work in groups to define and research the terms: ozone, troposphere and stratosphere. Students watch videos, conduct Internet research, participate in discussion groups and complete worksheets.

Students create leaf rubbings as they study the parts of a leaf. They describe the leaves and chart their observations.

Students identify the different layers of the atmosphere. They examine the different types of air pollutants. They also discover laws in effect that work to protect the environment.

Students investigate how mutations lead to changes in cell structure and function. They construct an oligonucleotide, identify a protein sequence, design a step-by-step mechanism of how they think cells repair damaged DNA, and prepare...

In this geometric worksheet, students examine the geometric and algebraic definition of the dot product. They find angles between two curves, determine if two vectors are parallel, and explain conditions on vectors. This one-page...

In this factoring worksheet, students factor equations containing four terms. This one-page worksheet contains 15 problems, with answers.

This document can be used as a slide show to introduce your human body systems class to the integumentary system, also know as skin. Topics outlined include the roles of skin, details about its its layers, and color (cause and...

Make sure your fashionistas know how to talk about all the latest and oldest styles. Partners work together to define 18 fashion-related terms, ranging from style to home furnishings. Definitions are included on the second page of the...

In this eye protection activity, learners discover how to protect their eyes as they read guidelines and then respond to 3 questions regarding the information.

In this compounds worksheet, students give the condensed structural formula and IUPAC name for the isomers of given compounds. This worksheet has 3 word problems and 1 fill in the blank question.

Students compare different DNA and run a gel electrophoresis.  In this DNA instructional activity students complete a DNA activity that allows them to better understand its structure and function. 

Students explore anatomy and physiology using various activities. In this biology activity, students reasearch about medical radiation and its applications. They study cell cycle, cell division and other processes that sustain life.

Ninth graders evaluate the use of radiation in medical procedures. In this biology lesson students compare and contrast meiosis and mitosis. They research the different applications of radiation.

Ninth graders research the different field of bioengineering. In this biology instructional activity, 9th graders differentiate meiosis and mitosis. They discuss the pros and cons of using radiation in medical diagnostics.

Students work in small groups researching different aspects of the sun and skin. The groups summarize and answer questions about the material in a presentation to the class.

Learners observe the effect of croos contamination as they inoculate orange juice with penicillin mold from the refrigeration lab and active yeast solution from the sterilization lab. They experience a simulation of passing bacteria...