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Chemical Equations and Reactions
Graphic organizers, photos, diagrams, and text bring the world of chemical reactions to life. By viewing this presentation, young chemists learn how to recognize when a chemical reaction has occurred, and how to balance chemical...
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The Mathematics of Chemical Formulas
Wow! This is one of the most exhaustive presentations on finding chemical formulas that you will come across! Beginning with the basics, and leaving junior chemists with procedures and concrete examples, this PowerPoint certainly...
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Solar Kit Lesson #15 - Solar-Powered Electrolysis of Water and the Hydrogen Economy
An outstanding instructional activity awaits your physics fledglings! After reading about how hydrogen can act as an energy carrier, they examine the electrolysis of water using solar power. They test the gases produced for flammability...
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Solar Kit Lesson # 12 - Calibration Curve for a Radiation Meter
Scientists need to have mastered algebraic slope-intercept concepts in order for this lesson to be effective. They will measure and graph solar panel output as a function of the amount of radiation striking it, discovering that there is...
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Solar Kit Lesson #7 - Positioning Solar Panels I: Explorations with Tracking
In this first part of a two-part lesson, learners track and record the sun's azimuth using a solar panel. They graph and analyze the data to identify relationships among the time of day, the altitude and azimuth of the sun, and the...
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Solar Kit Lesson #9 - Properties of Solar Radiation: Reflection, Transmission, and Absorption
Middle school science stars observe and record data on the solar radiation reflected off or transmitted through various materials. They predict properties for various materials, and test their predictions by touch. This lesson becomes...
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An Environmental Puzzle: The Carbon Cycle
Middle school science stars examine fuels and energy with a variety of activities. They begin with a KWL chart, read an informative passage, and then complete a puzzle. The puzzle itself is included. Cleverly, each piece corresponds to a...
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Using Environmental Models to Determine the Effect of Acid Rain on an Ecosystem
Demonstrate to your middle school science learners how chalk breaks down in a weak acid. Discuss what affects acidic rain might have on ecosystems. Lab groups then choose one of two questions: "How does acid precipitation affect an...
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Energy for Earth: The Sun
Super science learners examine the sun's production of energy by the process of nuclear fusion. Hands-on activities make this lesson engaging for middle schoolers. The lesson is made up of four parts. Part I is an introduction to the sun...
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Exploring Arizona's Biotic Communities Lesson 4: Which Team Are You On?
Who is not drawn to trading cards? In this activity, junior ecologists create a trading card of an animal or plant from one of Arizona's biotic communities. Gorgeous sample cards are provided in the lesson plan as well as a plethora of...
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Regents High School Examination: Biology 2006
Twenty-six pages of biology questions, mostly in multiple-choice form, are included in the all-encompassing New York State Regents exam. It assesses every topic typically covered in a high-school biology course. Create your own answer...
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The Mathematics of Convection: Nature's Model for Energy Production
High schoolers conduct a series of experiments to investigate density, buoyancy and climate. In this math lesson, pupils design and build a hot air balloon to demonstrate convection. They research and write a paper about solar chimneys.
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How Dense is Salt Water?
Young schoolers explore the concept of linear regression. They determine the mass and density of salt water. Pupils add salt to water and record the density as salinity increases, and perform a linear regression on the data to model the...
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Regular Coke vs. Diet Coke: Which is Denser?
Learners define the terms "mass," "volume," and "density." The relationship between these three terms is established. They observe the differences between Regular and Diet Coke. They develop an hypotheses about why a can of Regular Coke...
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Mystery Liquids: Linear Function
High schoolers determine the linear equations of the density of water and oil by collecting data on the mass of various volumes of each liquid. They construct scatter plots from the data and use these to write the linear equations for...
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Wired with Alexander Calder
Kids consider how the body functions and moves, how each structure has a specific movement and purpose. They apply that idea as they construct a sculptural piece that moves. For inspiration they look to the work of Alexander Calder,...
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Into the Wilderness: Habitat vs. Development
By studying the once-assumed extinction, then rediscovery of the Ivory-Billed Woodpecker, learners look at the physical changes that have occured in habitats throughout Arkansas. This outstanding lesson is chock full of terrific...
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Designing Experiments - Overview
Students explore the concepts that enable them to design and conduct sound scientific experiments. They critique a faulty experiment and become familiar with some of the criteria of a good experiment. They conduct their own experiment.
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2001 U.S. National Chemistry Olympiad Part I
Sixty multiple-choice questions test on a variety of first year chemistry subjects. In order to succeed, exam takers must be competent with properties of elements, stoichiometry problems, gas laws, bond dissociation, and types of...
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Fall 2005 Midterm Exam #1
You've got the power! With this physics midterm, you have the power to assess learners' grasp of electricity concepts. The exam is neatly formatted and provides a variety of question types: true or false, multiple choice, and problem...
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Fall 2003 Midterm Exam #1
Electricity is the focus of this college-level midterm exam. It requres physics learners to answer multiple choice and short answer questions in addition to evaluating several diagrams and graphs. This is appropriate for most high school...
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AP: Chapter 10: Photosynthesis
AP biologists or college-level botanists consider in-depth details of the photosynthetic process. They examine the structures in a leaf and the roles that they play. They label neat and colorful diagrams of photosystems and electron...
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2004 U.S. National Chemistry Olympiad - Local Section Exam
In this National Olympiad exam worksheet, chemistry apprentices answer sixty multiple choice questions including general chemistry topics such as atomic structure, gases, problem solving, writing and balancing equations and solutions....
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My Friend, the Volcano
Working in cooperative groups, young scientists research and report on how undersea volcanic activity may benefit marine ecosystems. There are many links to websites that you can use to stimulate curiosity or for pupils to use for...