How many large and small watermelons did he sell? Just use the given information to write and solve a system of equations! The two videos accompanying the lesson explain the substitution method and then introduce problem solving. The...

Membranophones? Aerophones? How about strings? Percussion? You need not be a music instructor to benefit from a packet of 24 worksheets that introduce aspiring musicians to the various instrument families.

Make sure your pupils know how to get where they want to go! Learners can practice their Spanish vocabulary by completing these worksheets, which focus on modes of transportation and some grammar phrases for expressing going from one...

Use patterns to your advantage! The Pythagorean Theorem allows learners to find missing sides of right triangles. Problems include those with both rational and irrational lengths. 

Why do soybean plants that are planted weeks apart in the spring mature simultaneously in the fall? Four independent activities cover the history of phytochrome research, scientist collaboration, the electromagnetic spectrum, and...

From the start of the Industrial Revolution, it only took 147 years for someone to invent plastic. This may seem like a long time, but in the history of inventing or discovering new materials, this is incredibly fast. An informative and...

Do you want to hear a joke about nitrogen and oxygen? NO. We all know there is oxygen in the air and that plants produce oxygen, but how was it discovered? Scholars read a handout, answer questions, and analyze material in the...

Relax ... now visualize the data. Introduce pupils to creating charts from a single data set. Using chart tools included in spreadsheet programs class members create data visualizations that display data. The...

Don't forget the tables! The previous lessons in this five-part series examined the linear equation and graph relationship. The current lesson adds tables to the mix. At completion, individuals should be able to create a table of values,...

How are functions related to chicken nuggets? A video teaches the concept of a function using the idea of a nugget-making machine as an analogy for a function machine. Learners determine if a relation is a function from an equation...

Teaching linear function relationships using contextual information is beneficial to pupils' understanding. The lesson uses problem solving to build linear functions given different information for each problem. This is the second...

When guess and check gets old, it's time to start graphing! An instructive lesson explains how to solve a system of linear equations using graphing. Equations are in both slope-intercepts and standard form. 

If a can has a volume of twelve ounces, how tall it should be? If you can work with volume formulas, it's is an easy measurement to find. After finding the volume of figures in the previous lesson of the series, learners now...

Combine science and playtime with the final lesson in an innovative unit. Scholars apply everything they have learned in previous lessons to build their own motors/generators and use it in a toy of their own design. 

Can schools ban t-shirts picturing musical groups or bands? Your young citizens will find out with this resource, which includes a summary of a United States Supreme Court case from the 1960s about a similar dispute over students wearing...

The man who invented the earliest examples of chemical engineering was an American-born, French-educated, free man of color before the Civil War, and went on to translate Egyptian hieroglyphics. There is something of...

Did you know baking powder can be used to treat acne, whiten teeth, and make sugar cookies? The lesson on the development of baking powder is ready-to-go with no preparation required. Through readings, pupils answer questions, complete...

Carbon is the most common element on earth, so the innovative discovery of a new type of carbon molecule won the 1996 Nobel Prize. In the ready-to-go activity, scholars learn about C60 and how it has opened up the entire area of...

Review the multiple methods of solving quadratic equations through an analysis of the discriminant. Scholars use the discriminant to determine the best solution method and then solve various equations. As a challenge, learners build...