AL.1. Physical Science - Students will:
1.5. Contrast ways in which light rays are bent by concave and convex lenses.
1.5.f. Identifying the contribution of van Leeuwenhoek to the development of the microscope
1.6. Compare effects of gravitational force on Earth, on the moon, and within space.
1.6.b. Describing how a spring scale is used to measure weight