Theory - Explanation based on many observations during repeated experiments.

Scientific Law - A "rule of nature" describing the behavior of something in nature. (Theories and laws can be changed).

Model - an idea, or a system, or mathematical expression that is similar to what you are trying to explain.

Problem - Unclear solutions to questions that a person does not yet know the answer. What question do you hope to answer?

Observation - the process of gathering information using the senses. FACTS!

Hypothesis - an educated guess that can be tested.

Conclusion -a judgment based upon an interpretation or of an observation

Procedure - what steps you will you use to carry out an experiment

Science - a process for observing, studying, and attempting to explain our world.

Technology - applied science (the application of science for practical purposes)

Inference -. A judgment based upon reasoning from evidence

Experiment - an organized process used to test a hypothesis.

Control - used to show that the result of an experiment is really due to the condition you are testing.

Meniscus - the curved upper surface on a liquid in a container

Concave - curved inward like the bowl of a spoon

Convex - curved outward like the back of a spoon

Mnemonic device - intended to assist the memory (a device such as a poem or a rhyme used as an aid in remembering)

Physical Science – the study of matter and energy

Constant – a factor that does not change throughout an experiment

Dependent Variable – results from the action of the independent variable

Independent Variable – the factor adjusted by the experimenter

Property – a feature of matter