Whether you have your class plant seeds or begin when sprouts are visible, math skills are used here to predict and track growth over time. Straw bar graphs show plant height on a given day while the graph as a whole shows changes over...

It's shark week! In this problem, young mathematically minded marine biologists need to study the fish population by analyzing data over time. The emphasis is on understanding the average rate of change of the population and drawing...

Simple, but suitable, this lesson gives mini-meteorologists a glimpse at ozone in the atmosphere. By reading an article, they find that ozone in the stratosphere is vital to life, but ozone in the troposphere is problematic. A reading...

Middle and high schoolers look at historical photos and analyze some of the changes brought about by the automobile revolution in Arkansas during the 1920's. The book, A Journey Through Arkansas: Historic U.S. Highway 67, is used for...

Draw a graph that shows the qualitative features of a function that has been described verbally. Make sure learners understand where time is zero and the distance is zero. It may take them some time to understand this concept, so working...