Calculate Your Contribution

Your young authors write a story that models a situation in which the character is faced with a challenge that involves the missing side or angle of a right triangle, and requires the solving of a trigonometric function to obtain...

You can lower your ecological footprint by recycling! Lesson four in this series of five has individuals, through the use of a computer, calculate their ecological footprints. Through discussions and analysis they determine how many...

A big contributor to greenhouse gas emissions is livestock, so the less meat you eat, the lower your carbon footprint! During instructional activity four in the series of five, learners calculate their and their families' carbon...

Teach your class the descriptive characteristics of soil. Provide information about particle size and a flow chart for assessing texture. Soil scientists then analyze samples and hypothesize which would be the best type for a rain...

Lead your biology class on a cell-sized adventure! Emerging scientists construct models of prokaryotes, then design an experiment to properly grow a bacterial culture. They conclude the activity by viewing the culture under a microscope....

What was your age the first time you lost a tooth, broke a bone, or learned to ride a bike? Young mathematicians choose a set of data to examine with an educational lesson on statistical measurements. After they collect data and...

What do rectangular watermelons, the game of Battleship, and soil beds have in common? Explore the relationship between area and volume with an educational lesson about gardening and geometry. Kids work in pairs to calculate the total...

Think you're helping the environment by living in the suburbs rather than the city? Think again! Young scientists examine the effects of urban sprawl in a video that compares the environmental advantages of closely packed city life to...

Did you know that when you are sitting in your easy chair, you may be moving up to 1000 miles per hour depending on what part of the planet you are sitting on? Consider relative speed by watching this moving video. Boggle brains in your...

Teams must determine the size of cavern needed to house the citizens of Alabraska to protect them from the asteroid impact. Using scaling properties, teams first determining the number of people that could sleep in a classroom and then...