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Example of Convection
Compare the density of different salt solutions and then observe currents that are caused by the difference. Set up a demonstration of dynamic equilibrium. The intent with these activities is to begin building understanding of density...
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Construction of Food Chains and Tracing Energy Changes
If you need a few basic activities for teaching food chains to your emerging ecologists, here they are. Three sheets of organism cards are included for learners to cut out and arrange according to trophic relationships. To make the most...
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Trophic Pyramids and Levels
The bulk of this lesson involves the construction of both an aquatic and a terrestrial ecosystem in which to observe trophic relationships. Detailed directions are provided, as well as discussion questions, and assessment activities....
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Populations
Take your ecology aces out in the field to practice population counts and model the benefits of camouflage. Though not particularly exciting, these activites and the assessments that are also included are practical and applicable to your...
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Models of Chemical Families
A simple activity for introductory chemistry classes is thoroughly explained in this lesson plan. Each individual receives a sealed box containing an unknown object. Inquisitors use indirect evidence to draw conclusions. This activity is...
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Organizing Principles of Plants and Animals
Three lessons and five assessments are contained in this material. Various paper shapes are sorted as a simulation of biological classification. Learners gather a list of living things that they are familiar with and design a...
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Genetic Variability
Using black and white construction paper, evolutionary biologists simulate the classic peppered moth study. They use beans in a frequency and natural selection exercise. Finally, they analyze germinated seeds for variations. All three...
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If You Lived at the Time of the Civil War.
Learners investigate major characters of history that are represented in children's literature. They conduct research using a variety of resources and each character is put into a class book as a presentation. The character includes a...
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Converting Fractions to Percents
In this conversion worksheet, students practice converting fractions to percents. This one-page worksheet contains twenty problems. Answers are included on the same page.
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Identifying Place Value
In this identifying place value worksheet, students identify the place value (from ones to thousandths) of decimal numbers for each underlined digit. This one-page worksheet contains 2o problems. Answers are provided on the same page.
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Finding a Percent of a Number
In this percent worksheet, students find the percent of a number using multiplication. This one-page worksheet contains 20 problems. Answers are provided on the same page.
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Rounding to the Nearest Hundred
In this rounding worksheet, students examine numbers and then round them to the nearest hundred. This one-page worksheet contains 20 problems. Answers are provided on the page.
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Rounding to the Nearest Hundredth
In this rounding worksheet, students round numbers to their nearest hundredth. This one-page worksheet contains 20 problems. Answers are provided on the same page.
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Quadrantal Angles
In this quadrantal angle worksheet, students determine the six trigonometric for each quadrant angle. This one-page worksheet contains 36 problems, with answers printed at the bottom of the page.
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Basic Trigonometric Ratios
In this trigonometric ratio worksheet, students determine the length of a side of a right triangle, or the measurement of angles using trigonometric ratios. This one-page worksheet contains 24 problems. Answers are provided at the bottom...
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Special Right Triangles
In this special right triangle worksheet, learners use the trigonometric functions to determine angle measurement or the length of one side of a right triangle. This one-page worksheet contains 18 problems. Answers are provided at the...
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Rate-of-Work Problems
In this rate-of-work worksheet, 9th graders read word stories and gather information. They write an equation for the story and solve the problem. There are five problems, with answers, provided on this one-page worksheet.
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Systems of Linear Equations: Word Problems
In this linear equation worksheet, student read word problems and write and algebraic equations. They use systems of linear equations to solve the problem. This one-page worksheet contains six problems, with answers.
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Writing Linear Equations Using a Given Point and Slope
In this linear equation worksheet, students write the linear equation of a line that passes through a given point. This one-page worksheet contains 15 problems, with answers.
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Finding the Slope of a Line Through Two Given Points
In this slope of a line worksheet, students use the slope formula to determine the slope of a line passing through a given point. This one-page worksheet contains ten problems, with answers.
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Rewriting Linear Equations in Slope-Intercept Form
In this linear equation worksheet, pupils write given equations in the slope-intercept form. They identify the slope and y-intercept. This one-page worksheet contains ten problems, with answers.
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Investment Problems
In this investment problem worksheet, pupils read story problems and use the interest formula to determine the total amount invested, or rate of return. This one-page worksheet contains six problems, with answers.
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Writing Linear Equations Given Two Points
In this linear equation worksheet, young scholars write the equation of a line passing through two given points. This one-page worksheet contains 12 problems, with answers.
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Solving Systems of Linear Equations: Substitution Method
In this systems of equations worksheet, learners use the substitution method to solve systems of linear equations. This one-page worksheet contains eight problems, with answers.