In this altitude change of the International Space Station worksheet, students observe a graph of the change in altitude of the space station over time due to the Earth's drag. Students solve 3 problems using the data in the graph.

Students find the circumference of various round objects.  In this finding the circumference of various round objects instructional activity, students find the circumference of the Earth.  Students find the circumference of...

Sixth graders identify and describe the composition and physical properties of the layers of the Earth. They also explain how scientists used the scientific process to know about the center of the Earth. Finally, 6th graders read a...