Changes in Ecosystems – A Third Grade PowerPoint Introduction is a PowerPoint instructional presentation in line with the 3rd Grade SOL’s for the state of Virginia (Earth Patterns, Cycles, and Changes) and
3.5 The student will investigate and understand relationships among organisms in aquatic and terrestrial food chains. Key concepts include
3.6 The student will investigate and understand that ecosystems support a diversity of plants and animals that share limited resources.
Probability and Statistics
Focus: Applications of Data and Chance
3.17 The student will
a) collect and organize data, using observations, measurements, surveys, or experiments;
b) construct a line plot, a picture graph, or a bar graph to represent the data; and
c) read and interpret the data represented in line plots, bar graphs, and picture graphs and write a sentence analyzing the data.
This lesson focuses on Ecosystem Changes (environmental, man-made, etc.), Recovery of Ecosystems (after fire), Organisms Response to Change, Endangered, Extinct, Perishing, and Relocating. Terminology is included, as well as a graphing activity (Survey of students favorite endangered animal – 5 to choose from. From the survey, students will complete the bar graph.) The activity is included in a PDF file and modified so it can be printed and issued as desk or homework assignments. The activity can also be a lead-up into a writing assignment as well. The last 2 PowerPoint slides may be edited to suit your needs.