There's absolutely no error in using the tutorial! Learners use spreadsheets to create column or bar graphs with error bars. They also learn how to calculate the standard error of the mean in the tutorial. This is the third installment...

Eighth graders list the steps of Darwin's natural selection. They demonstrate the process of natural selection in a predation activity. Students create paper origami frogs to race across the floor and analyze the differences in the...

Learners analyze satellite image data of Volcan Villarica. For this earth science lesson, students identify dangerous areas surrounding the volcano. They propose a new safe location for the town.

In this bar graph worksheet, students solve and complete 2 problems related to reading a bar graph. First, they use the data table found at the bottom of the sheet to complete the bar graph which illustrates the number of nests and...