Here is a fantastic, informative, interactive presentation on plant and animal cells. The PowerPoint is produced by an elementary school teacher who has a doctorate in science, and it shows! This would be a splendid presentation to use...

Young scholars work together to build models of prairie plants. Using the model, they estimate the height and then measure them using metric and standard units. They write a fraction to represent their part of the whole set and compare...

Students investigate air by participating in a class experiment. In this matter measurement lesson plan, students identify air as a gas which consists of mass. Students utilize a windsock or balloon to measure oxygen and explore it's...

Young scholars bag trees to determine the mass of the water given off in the evapotranspiration process.

Students compare the efficiency of producing food calories in different types of food then calculate how much land is required to supply their food for a year. They then graph the results.