Desk Top Stars
This module designed for middle school students uses simple, fun experiments to introduce some tools and concepts of astronomers. Students are asked to consider how astronomers answer questions like: How old is the Universe? How far away is a galaxy? What are stars made of? The exercise includes working with a simple spectrometer. This unit may be easily modified for other students.
Soil as Living Skin
In this two-minute radio program, a soil scientist introduces listeners to reasons why soil is crucial to the planet. The scientist lists functions of soil that include nutrient cycling and water filtration, and he also uses living skin as an analogy for soil. The program, part of the Pulse of the Planet radio show, is available here in text and audio formats. Copyright 2005 Eisenhower National Clearinghouse
Thinking involving very large and very small quantities
Intuitively a million is a lot more like a billion than ten is like one hundred, because our intuition has some grasp of ten and one hundred, but we have little grasp of what millions and billions involve. Fortunately, there is often a way to make intelligent decisions involving big quantities. Use arithmetic! Typically we don't need more than multiplication and division to put things into terms we can deal with. If we are unwilling or unable to do the calculations, we should at least recog
Microbes : too smart for antibiotics?
This lesson packet builds on a peer-reviewed article about antibiotic resistance in microorganisms. The packet contains discussion questions about the article, instructions for an activity about hand washing that uses fake, fluorescent 'germs,' and two handouts of ideas for student activities. The first handout is appropriate for general biology students, and the second is designed for advanced, AP, or first-year undergraduate students. In many of the activities, students create a product, such
National Gardening Association
This is the homepage of the National Gardening Association, a nonprofit organization established to help gardeners, and to help people through gardening. The Web site contains loads of garden-related information, including over 2,000 articles, 30,000 FAQs, seed swap programs, a zone finder, pest control library, and much more. The site does advertise some retail items, but all information in this extensive online resource is available free of charge.
Maximize the area of a rectangle with a given perimeter. Vary the perimeter, base, and height of the rectangle and examine changes to the graph of the area.
Examine the seasonal migration of snow cover
In this Earth science animation, middle and high school students observe the changes in snow cover on Mount Rainier over the course of one year. Accompanying text explains what a snow line is and instructs students to locate the snow line by examining the animation frame by frame. The animation is equipped with control buttons that allow students to play, pause, scroll, and step through the video. Students can click a button labeled 'Where on Earth?' to open a U.S. map showing the location of Mo
Positive Linear Function Machine
This activity allows the user to explore simple linear functions; the function is determined by looking for patterns in the outputs.
Science Friday Online!
This is an online companion to Science Friday, a weekly science, technology, and environment news radio program. The site includes articles about the weekly program, video, and blog links. A podcast of the program is also available.
Blue Planet: Frozen Seas
In this lesson, students research the behavioral and physical adaptations of an animal from the Arctic or Antarctic; and create a poster and make a presentation about the animal.
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.
Tortoise and Hare Race
users step through the tortoise and hare race, based on Zeno's paradox, to learn about the multiplication of fractions and about convergence of an infinite sequence of numbers.
Quick take on the wide, wide world of geometry
As the social studies, art, and music classes in the middle school widen students horizons, some of your students may become fascinated with the art, costumes, and customs of other peoples in this and other times. The NCTM Principles and Standards calls for middle school students to be able to recognize and apply geometric ideas and relationships in areas outside the mathematics classroom, such as art, science, and everyday life.
Crazy Choices Game
Three players play games of chance using dice, cards, spinners or coin tosses, to compare theoretical and experimental probabilities. Instructor guidelines and Help are included.
Observe an animation showing evidence of the carbon cycle
In this visual resource about the carbon cycle, students are presented with an animation and accompanying text that focus on carbon and plants. The text addresses how plants fit into the larger carbon cycle, including how carbon enters and leaves the biosphere, and it explains what students are viewing in the animation. The animation shows false color images on a flat map of the world. When the viewer clicks on the image (or the play button), the animation plays, and color patterns reveal change
Science Sampler : The sweet Earth
A great number of geologic processes either take unimaginable lengths of time to complete, or happen in places that cannot be directly observed, such as under the Earth's crust. It is, therefore, necessary for an Earth science teacher to find a connection between students' experiences and the geologic process they are studying to help them better understand that which is often unobservable. One Earth science topic with a tendency to be beyond the reach of direct observation for students is rock
Problem Solving: Getting to the Heart of Mathematics : Northwest Teacher, volume 1 number 1
The articles in this issue of Northwest Teacher illustrate how several Northwest teachers are using problem solving to achieve rigorous and imaginative learning in their classrooms. The columns offer resource ideas and information to support others in creating similar opportunities for learning.
This site has explanatory lessons, interactive practice, and challenge games all dealing with place value. Includes information, practice, and games on place value of two, three, six and seven digit numbers and expandend notation for two, three, six, and seven digit numbers. Problems are randomly selected and students receive immediate feedback with the correct response. The bottom of each lesson page contains timed exercises.
Scope on Safety : Waste not, want not
Planning chemical use and disposal is critical to a safe laboratory environment. It is irresponsible to simply go out and purchase laboratory chemicals without considering why they are needed and how they will be disposed of when they are no longer needed. An OSHA-based Chemical Hygiene Plan (CHP) should be adopted by the science department as the first step in this vital process. The procedures and operations for the purchase, use, storage, and recycling of hazardous chemicals are addressed in
Graphing for Area
Middle School, difficulty level 2. Graph six points and find the area of the resulting hexagon.