More than 90 percent of chemical products are made using a catalyst. Lesson demonstrates the way a catalyst changes the rate of reaction without altering the chemical reaction. A catalyst doesn't appear as a reactant or a product, yet it...

Which activity gets your heart pumping more: using the computer, climbing the stairs, jumping rope, running, or walking? Youngsters take a heart rate reading after 30 seconds, one minute, and three minutes of each activity. The handout...

Putting glow sticks in the freezer makes them last longer, but why is that? Lesson focuses on how temperature impacts the rate of a chemical reaction. It begins with a teacher demonstration, then scholars design their own experiments...

Every year, the moon moves 3.8 cm farther from Earth. In the 11th part of 22, classes use the distance formula. They determine the distance to the moon based upon given data and then graph Galileo spacecraft data to determine its movement.

Teenagers are not too young to incorporate healthy habits into their lives! A detailed lesson plan helps them set goals for nutritional meals, quality sleep, and scheduled physical activity.

Many things in life take the shape of a polynomial curve. Learners design a polynomial function to model a riverbed. Using different strategies, they find the flow rate through the river.

Budding poets compose an original free verse poem. Encouraged to use personification and alliteration, scholars read over three tips and examples then try their hand at drafting a poem of their own style.  

An informative module highlights eight polynomial concepts. Learners work with polynomial functions, expressions, and equations through graphing, simplifying, and solving. 

Start this lesson with a bang! The eighth in a 13-part series of lessons explains the origin of elements beginning with the Big Bang Theory. The reading describes the formation of elements hydrogen through uranium.

Negative exponents can be tricky, but this resource makes a mathematical conundrum an easier concept to grasp by relating the concept of exponents to the amount of time a plant has been owned. Fifth, sixth, and seventh graders will...

Sequences are all about recognizing patterns. A module of 11 lessons builds pupils' understanding of sequences through pattern analysis. The practice connects the analysis to linear and exponential equations. This is the first module in...

For this ESL/EFL reading comprehension lesson, students read an article entitled, "Impeach Tony Blair." They participate in discussion activities, debates, and answer a variety of question types based on their comprehension of the article.

What did gender have to do with the survival rates of the Donner Party? Using comparative box plots, classes compare the ages of the survivors and nonsurvivors. Using the same method, individuals make conclusions about the...

Caffeine affects your heart rate — or does it? Learners study experimental design while conducting their own experiment. They collect heart rate data after drinking a caffeinated beverage, create a box plot, and draw conclusions....

Model hardness testing with a self-designed hardness test. Young scholars rate the hardness of different types of aspirin using the Vicker's Hardness scale. They then relate hardness to the solubility of each aspirin tablet.

As an introduction to monetary policy, groups investigate and evaluate the effectiveness of current monetary and fiscal policies on promoting full employment, price stability, and economic performance. They then apply monetary tools...

Congratulations, you've just hit the word problem jackpot! Covering an incredible range of topics from integers and fractions, to percents, geometry, and much more, this collection of worksheets will keep young mathematicians...

Give your class a chance to show how much they've learned in the module with an end-of-module assessment task that covers all topics from the module including linear and non-linear functions and volumes of cones, cylinders, and...

Get things moving with this extensive collection of physical science resources. Covering the fundamentals of measurement, graphing, lab safety, and experimental design as well as the specific scientific concepts...

From three-way neck rolls to a figure-5 hurdler's stretch, this is an ultimate guide to healthy exercises. It begins with a bulleted list of general guidelines on cardiorespiratory exercise, flexibility, resistance exercises, and range...

Mississippi has both the highest obesity and poverty rate in the US. Does the rest of the data show a correlation between the poverty and obesity rate in a state? Learners tackle this question as they practice their skills of regression....

For this English worksheet, learners read "World Population Aging At Record Rate," and then respond to 1 essay, 47 fill in the blank, 7 short answer, 20 matching, and 8 true or false questions about the selection.

For this Americans spending at record rates worksheet, 8th graders read or listen to an article, discuss money topics, answer 8 true or false, match 10 synonyms, and 10 phrases, fill in 16 blanks, answer 6 short answer questions,...

Need a quick assessment of your middle schoolers' reading comprehension skills? The four questions on this quiz ask readers to identify the likely source of the article, define words based on context, and identify the main idea of the...