6th Grade - Students identify a force as a push or pull on an object, determine the effect on the motion of an object, determine the effect on the motion of the object caused by a set of forces, and recognize that systems with balanced forces are stable systems with unbalanced forces are unstable.  

• EQ1: Looking at a picture of two dogs engaging in a friendly game of tug of war, determine which dog would win the tug of war.

7th Grade - Students evaluate how survival needs of animals are accomplished by systems working together.  

• EQ3: How does a nautilus move and catch food?

8th Grade - Students develop a model of the Earth-sun system to explain Earth's seasons and the changing patterns seen in the night sky over the course of a year. 

• EQ2:  Why is winter cold with shorter days than summer?