What is this atmosphere that surrounds the Earth? This instructional tutorial, part of an interactive laboratory series for grades 8-12, introduces students to the structure, effects, and components of the atmosphere. Here students investigate the composition of the atmosphere; effects of temperature, pressure, and ozone; the greenhouse effect; and how Earth compares with other planets. Interactive activities present students with opportunities to explore ideas and answer questions about the atm
Observe an exploded star at different wavelengths
This Earth science resource enables students to observe and compare the appearance of the Crab Nebula under different wavelengths. The introduction explains how the nebula is the remains of an exploded star (supernova). It also reveals how temperature variations in the nebula are detected by different wavelengths. Students are instructed to move the cursor across the spectrum to see images of the nebula captured using radio and microwaves; infrared, visible, and ultraviolet light; and gamma rays
English Language Learners in the Science Classroom
What can we as teachers do to help English Language Learners (ELLs) learn science when we do not speak their languages or know their cultures? Both pre- and in-service teachers have successfully used the following strategies in teaching in teaching language and cultural minorities. These strategies can be, and often are, used by ESL (English as a Second Language) teachers in pull-out programs.
Villainy, Inc : thwarting world supremacy through mathematics
This animated web site features two adventure missions that challenge middle grade mathematics students to stop the evil Dr. Eugene Wick's schemes to take over the world. The students/players assume the role of double agents working undercover as advisors to Dr. Wick's company, Villainy, Inc., while trying to foil Wick's evil schemes using their mathematics skills. Both interactive missions are completed by problem solving and using logic to find answers to mathematics problems involving measure
Quick take on Pheonix Mission to Mars : follow the water
Following water continues to guide exploration even as space is explored find water and you might find life itself. One such mission that is following the water is the Phoenix Mars Lander project. On August 4, 2007, the lander was launched on its 10-month journey to the Red Planet. Phoenix will land on the northern plains of Mars and dig into the soil and water-ice seeking the Martian Holy Grail: water and possible life-supporting conditions.
Lifes Little Essential : Liquid Water (title enhanced by cataloger)
This article discusses the importance of water in supporting and sustaining life and focuses on why water, and solely in its liquid form, is so essential. The focus here is on the potential presence of water on Mars. Some of the physical and chemical properties of water are summarized, and their uniqueness is presented as the reason planetary scientists are on the lookout for water on Mars and elsewhere in the Solar System.
How Students Learn: Mathematics in the Classroom
This book, available online free in pdf format, builds on the discoveries detailed in the best-selling How People Learn. The authors aim to present these findings in a way that teachers can use immediately, to revitalize their work in the mathematics classroom for even greater effectiveness. The general theme is teaching math to generate real insight and reasoning in math students. It also features illustrated suggestions for classroom activities.
This Planet Really Rocks
This ThinkQuest Junior site contains information and activities about rocks and minerals. Included is information about what a rock is, the major characteristics with examples of sedimentary, metamorphic, and igneous rocks, the rock cycle, the differences between rocks and minerals, how to identify minerals (color, luster, streak, cleavager, hardness, and specific gravity), and the Mohs Scale. Facts about common minerals and their properties, how rocks and minerals are important, and their uses
Geometry Construction Reference
The basics of compass and straightedge construction, with notes about The Instruments and What is a construction? Construct the perpendicular bisector or the midpoint of a line segment; given a point on a line, construct a perpendicular line through the given point; given a point not on a line, construct a perpendicular line through the given point; construct the bisector of an angle; an angle congruent to a given angle; a line through a given point, parallel to a given line; an equilateral tria
Improving Mathematics Education: Resources for Decision Making
This report has been designed to help inform stakeholders about the decisions they face, to point to recent research findings, and to provide access to the most recent thinking of experts on issues of national concern in mathematics education. The essence of the report is that information is available to help those charged with improving student achievement in mathematics. It can guide those who make decisions about content, learning, teaching, and assessment. Eight important documents were revi
Visualizing the Metric System
What are some common things that could be used to approximate lengths for a visual picture of the different lengths in the metric system?
The Pythagorean Theorem
This math site has students try to figure out the Pythagorean Theorem by themselves. Included are review pages, five clues to help them find the relationship, a section that compares their results to other students, a section that gives historical information, and examples and activities for students to solve. Each clue page allows students to check to see if they have the formula correctly relating to the three sides of the right triangle. A template page that contains figures used in three of
This site provides an in-depth look at mineral properties and identification. An alphabetical listing of common minerals allows the user to see a picture and view physical properties of the particular mineral. Properties of minerals are explained, including cleavage, hardness, crystal form, and luster. There are also downloadable labs for crystal models and mineral data sheets. Dichotomous and hardness keys are given for easier mineral identification.
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.
This applet allows the user to input a series of (x,y) ordered pairs and plot them either as a connected function or unconnected data points.
When did the Grand Canyon begin to form?
This March 14, 2008 entry in the NSDL Expert Voices blog Connecting News with National Science Education Standards deals with the recent finding suggesting the Grand Canyon is two to three times older than commonly believed. Additional links to teaching resources related to earth systems structure, rock dating and the nature of science are provided.
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Science Sampler : Thriving in the co-taught classroom
Classrooms are becoming more diverse as students with specific learning needs are moved out of self-contained special education classrooms and into mainstreamed classrooms with their non-disabled peers. The use of the co-teaching model allows for extensive flexibility in structuring instructional activities and responding to the needs of diverse learners. This article provides a summary of co-teaching practices that have been effective and beneficial for many years.
Population Growth in Yeasts
This lesson is the second of two that explore cellular respiration and population growth in yeasts. In the first lesson, students set up a simple way to indirectly observe and quantify the amount of respiration occurring in yeast-molasses cultures. Based on questions that arose during the first lesson and its associated activity, in this lesson students work in small groups to design experiments that will determine how environmental factors affect yeast population growth.
Compare Human-made Objects with Natural Objects
In small groups, students will experiment and observe the similarities and differences between human-made objects and nature. The students will compare the function and structure of hollow bones with drinking straws, bird beaks, tool pliers, bat wings and airplane wings. A classroom discussion can be held to discuss similarities and differences that were observed along with follow up assessment activities such as journal writing and Venn diagrams.