Students explore the different arrangement of air molecules in high and low air pressure masses. They compare the temperature of high and low pressure masses and discover how a barometer works.

Students participate in an estimation and measurement activity to improve their estimates of the size of hail. They hold several different sized wooden balls and record their guesses of the ball's diameters. They compare their estimates.

Seventh graders investigate how to make and set up a scatter plot. In this statistics lesson, 7th graders collect data and plot it. They analyze their data and discuss their results.

Students demonstrate how to take bearings using a compass. In pairs, they select objects in the classroom then write down its first initial and bearing. They exchange papers and try to disciver their partner's object.