Twelfth graders perform dihybrid crosses and calculate phenotype and genotype ratios. In this series of science lessons, 12th graders explain the process of anodizing aluminum. They research on the benefits and harm caused by resonance...

Stress the importance of authenticating online resources and understanding the sources of websites' information with this activity. Using a Web-based activity, the lesson prompts young learners to think critically about determining the...

Do homework grades really determine test scores? Learn whether lines of best fit, correlation coefficients, and residuals can be used to determine test scores when given homework grades. (It would certainly save teachers time in grading...

Send your class on the hunt for a buried treasure and apply geometry skills along the way. An engaging lesson uses direction and midpoint locations to find the location of a treasure. Videos provide background information to complete the...

Why do the bases in DNA pair up the way they do? Unravel the mystery of the double helix in a virtual lab. Young scientists follow in the footsteps of Watson and Crick to determine the free energy associated with DNA base pair binding....

Two scientists, two independent studies, two similar theories! A video lesson presents the work of Charles Darwin and Alfred Wallace that led to their theories on evolution. Scholars then evaluate statements and provide evidence to...

Focus on inquiry-based learning in your science class with a series of activities designed for middle schoolers. A helpful packet samples four different texts, which include activities about predator-prey relationships, Earth's axis...

Explore linear and nonlinear models to help your class build their function skills. In a continuation of the previous lesson, learners continue to analyze and sketch functions that model real-world situations. They progress from linear...

The Crusades sounds like a glamorous time period in the Middle Ages full of glory—but was it? Scholars find and review the truth of the Crusades' influence on the world through the resource. The study guides, separated individually by...

Can scientists increase the rate of photosynthesis to help clean the air? Scholars complete an experiment determining net photosynthesis. Then, they apply knowledge from the activity to design their own investigations of the factors that...

What is oral tradition, and what unique tool did the Native Americans of the Northern Great Plains use to help them remember their complex histories? Through pictograph analysis, discussion, research, and an engaging hands-on activity,...

Find the best path through town. The lesson teaches future computer programmers about networks and paths in graph theory. They develop a network of their towns to determine the most efficient path to visit each of their homes.

Seventh graders construct a food chain based on pictures shown on the board. In this biology instructional activity, 7th graders describe the motion of particles as energy is changed. They explain how pH changes during neutralization.

Eighth graders identify the symptoms and causes of diabetes. In this biology lesson, 8th graders demonstrate how urine testing is used to diagnose illness. They explain why some metals are more reactive than others.

Tenth graders identify the parts and functions of the cell. In this series of science lessons, 10th graders investigate crystal formation in covalent compounds. They investigate the factors affecting reaction rates.

What is an emergency, why is preparing for one important, and how can your pupils help others prepare for an emergency? Answer these questions and more with a short unit. Learners will participate in a variety of collaborative,...

Can you justify that mathematically?  Help learners see the process of solving as using mathematical properties rather than a set of steps to memorize in the fourth module of a nine-part Algebra I series. The module contains six...

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...

Systems of equations and inequalities model contextual situations. A set of 12 lessons build a solid understanding of writing and solving systems of equations and inequalities using a variety of methods. The module is the fifth in a...

Nothing better than the original! Help your class understand the relationship of an inverse function to its original function. Learners study the connection between the original function and its inverse through algebraic properties,...

Undo a function to create a new one. The inverse of a function does just that. An inquiry-based lesson examines the result of reversing the variables of a function, beginning with linear patterns and advancing to quadratic and...

Sometimes there just isn't a parent function that fits the situation. Help scholars learn to combine function types through operations and compositions. Learners first explore a new concept with an introductory activity and then follow...

Not all party platforms stay democratic. A resource covers many political issues in Germany during the time of World War II, and teaches pupils about the Nazi party platform and what went wrong. Individuals participate in a warm-up...

Time to study the most sensible function — rational functions! The seven-lesson unit develops the concept of a rational function through a connection to rational numbers and fractions. Scholars graph functions, solve equations, and...