Students conduct tests of water samples from different sources, such as a local river, tap water, and an irrigation ditch. After determining which pollutants are present in each sample, students hypothesize the possible sources of the...

students will learn to respect the nature around them. This respect is vital because ignorance of surrounding nature can lead to carelessness when curiosity goes awry. A perfect example of this wayward curiosity took place at our school...

Young scholars draw conclusions about the effectiveness of antlion's pits in catching prey. A brief review of the antlion and its hunting habits is conducted. After watching a video about the use of pits to catch prey, students complete...