Chapter 1 Vocab

-observation: information obtained by the senses/often by direct measurements

-inference: a conclusion based upon known observations

-hypothesis: a proposed solution to a scientific problem

-control group: the group that is the standard for comparison in any experiment

-experimental group: the group receiving the variable being tested

-control factors: the variables that are held constant/they are the same for both the control group and the experimental group

-indicator: a substance used to show the presence of another substance

-Volume Displacement Technique: quick and easy way to determine the volume of a solid or gas

-mass: the amount of matter in a substance (true of solids, liquids, and gasses

-meniscus: the curved portion of a liquid when in a container/must read the bottom of the meniscus at eye level for proper measurement