VA.7-8. Virginia 2010 Science Standards of Learning
LS.1. The student will demonstrate an understanding of scientific reasoning, logic, and the nature of science by planning and conducting investigations in which
LS.1.c) Triple beam and electronic balances, thermometers, metric rulers, graduated cylinders, and probeware are used to gather data.
LS.1.f) Dependent variables, independent variables, and constants are identified.
LS.1.g) Variables are controlled to test hypotheses, and trials are repeated.