The Metric System : Metric and Scientific Notation
This lesson describes the history and basic operation of the metric system as well as scientific notation. Metric to English conversions and examples of unit conversions by moving the decimal are included.
Author(s): Anthony Carpi

The science of light : funhouse mirrors background
This page briefly describes and illustrates the laws of reflection. It includes a short section on pedagogy and it relates the content to standards.
Author(s): Creator not set

Absorption, Distribution and Storage of Chemicals
This module introduces the concept of biological absorption, storage and distribution of chemicals. It includes descriptions of the various chemical factors involved and diagrams of the cell membrane and human body.
Author(s): Morris S. Zedeck

Study of Climate Change in the Arctic
This page describes why and how scientists study climate change in the Arctic. It includes information on the climate indices and important research concepts used by scientists to study climate change.
Author(s): Jim Overland,Nancy Soreide,Nick Bond

Science Fair
PBS provides students in grades 4-7 with oodles of science fair ideas and a science fair tip sheet in this section of the DragonflyTV web site. Overviews of investigations from the television show are offered to help students hone in on an interesting topic and create their own science fair project. Each overview relays a question that a child asked on television, the main steps in his or her experiment, and the results. The overviews also include ideas for further investigations that build on t
Author(s): Twin Cities Public Television

Quick take on those dicey decimals!
Understanding decimals is a must and practice with them a basic necessity. These digital resources feature games, lessons, and interactive experiences that encourage understanding and practice at varying levels of mastery.
Author(s): NSDL Middle School Portal

Fighting Back
Help the immune system fight off an infection in this interactive feature from the NOVA: Surviving AIDS Web site.
Author(s): Creator not set

Racing Game with One Die
This activity allows the user to play a game in which two players move towards the finish line based on the roll of a six-sided die.
Author(s): The Shodor Education Foundation, Inc.

Science in Focus: Shedding Light on Science: Workshop 5. Sunlight to Starch
Explains the process of photosynthesis. Leaves from plants grown in the light contain starch, but leaves from plants grown in the dark do not contain starch.
Author(s): Dr. Matthew H. Schneps,Harvard-Smithsonian Center

Skulls : structure and function
Skulls have been designed for both form and function. Through the use of text and labeled photographs, this website explains how specific skull adaptations meet the needs of organisms. For instance, visitors will discover that some beaks of macaws are attached to their skull only through ligaments to limit the amount of force put on the skull when the birds crack open nuts. The site also presents a series of skull facts, questions, and answers provided by scientists. A unique feature allows visi
Author(s): California Academy of Sciences

Lessons on the Lake : An Educators Guide to the Ponchartrain Basin
This resource is designed to educate students, through activities teachers can use, about the environmental importance of Lake Ponchartrain. The main goal is to foster a sense of stewardship in students through learning to identify environmental issues that affect the lake, offer changes, and develop solutions. Although the resource deals with the Lake Ponchartrain Basin, the activities are applicable to students and teachers beyond this local level. The activities and lesson plans cover everyth
Author(s): Creator not set

Science Sampler : Thinking about students' questions
Asking questions is a vital component in any classroom, but it is absolutely essential in a science classroom. As science teachers, we know that questioning plays a major role in the inquiry process and has a positive impact on students' learning. This article discusses the importance of questioning skills and current research on questioning techniques. In addition, this article will present a series of lessons that were implemented by the author to improve the questioning abilities of middle sc
Author(s): Jaclyn Turner

Virtual Polyhedra and the Real World
Using computer models, paper, cardboard, wood, and other media, students study and construct three-dimensional polyhedra. Students will learn to identify the platonic polyhedra (tetrahedron, cube, octahedron, dodecahedron, and icosohedron). Students will also learn to describe complex geometric solids in terms of vertices, edges, and faces.
Author(s): Thirteen Ed Online

This interactive planetarium can create sky maps for a given location and a given time. Once the latitude and longitude of the desired area is entered, the Web site creates a map of the sky. The names of cities can be entered in place of longitude and latitude.
Author(s): John Walker

Observe a lunar eclipse
This Earth science animation enables middle and high school students to observe the events of a lunar eclipse. The introduction explains why the moon's appearance changes as is moves through the Earth's shadow. The animation shows the moon darken as it enters the penumbra, turn reddish-orange as it reaches the umbra, and lighten as it leaves the other side of the penumbra. Movie controls allow students to repeat, pause, or step through the animation, which can give students more time to analyze
Author(s): TERC. Center for Earth and Space Science Education

Pretzel Predictions
Can students predict how many pretzels they can eat in a minute? This material is part of a series of hands-on science activities designed to arouse student interest. Here students learn that pretzels contain a saliva-absorbing compound and are asked to take that fact into consideration when predicting how many pretzels they can eat in a minute. The activity includes a description, a list of science process skills and complex reasoning strategies being used, and a compilation of applicable natio
Author(s): Mid-continent Research for Education and Learning

Simple machines
The purpose of this set of activities is to expand students to the usefulness of the six basic simple machines, allowing them to see how important they really are to today's world. At the end of this lesson, students will be able to (1) define the six simple machines, knowing how each differ or are similar in their use, (2) dissect a broken appliance or toy, listing all the parts found under the appropriate categories of simple machines, (3) read and interpret Rube Goldberg's drawings and design
Author(s): Robert L Campbell

Ebola infection reported
This article describes cases and outbreaks of Ebola virus. The focus is on how little is known about Ebola and Marberg viruses, especially about how certain people survive those infections. Copyright 2005 Eisenhower National Clearinghouse
Author(s): Sean Henahan

Pi = 3.14159...
What is Pi? Who first used Pi? How do you find it? How many digits is it?
Author(s): Math Forum,Math Forum, Ask Dr. Math FAQ

Drift Seeds And Drift Fruits : Seeds That Ride The Ocean Currents
This essay explores seed dispersal by water and describes some of the physical adaptations that evolution has produced in the seeds and fruits that travel this way. There is a background essay, discussion questions, state and national standards, and links to related Teacher's Domain resources.
Author(s): Creator not set