Question | Answer |
science | process of looking at and studying things in the world in order to gain knowledge |
scientific theory | a possible explanation for repeatedly observed patterns in nature supported by observations and results from many investigations |
scientific law | a rule that describes a pattern in nature but does not try to explain why something happens |
system | a set of objects or parts that form a whole. |
life science | study of living systems and how they interact |
earth science | study of Earth systems and systems in space, including weather and climate systems, and the study of nonliving things such as rocks, oceans, and planets. |
physical science | physical science study of matter, which is anything that takes up space and has mass, and the study of energy, which is the ability to cause change physical science study of matter, which is anything that takes up space and has mass, and the study of en |
technology | use of science to help people in some way |
observation | a record or description of an occurrence or pattern in nature |
quantitative observation | observation using numbers |
qualitative observation | observation using senses |
hypothesis | reasonable guess that can be tested and is based on what is known and what is observed. |
infer | to draw a conclusion based on observation. |
controlled experiment | involves changing one factor and observing its affect on one thing while keeping all other things constant |
variable | factor that can be changed in an experiment |
independent variable | factor that is intentionally varied by the experimenter |
dependent variable | factor that may change as a result of changes purposely made to the independent variable. |
control | standard to which the outcome of a test is compared. |
model | any representation of an object or an event that is used as a tool for understanding the natural world; can communicate observations and ideas, test predictions, and save time, money, and lives |
prediction | an educated guess as to what is going to happen based on observation |
critical thinking | involves using knowledge and thinking skills to evaluate evidence and explanations. |
data | data information gathered during an investigation; recorded in the form of descriptions, tables, graphs, or drawings. PAGE(S) 28 information gathered during an investigation; recorded in the form of descriptions, tables, graphs, or drawings |
significant digits | number of digits used to indicate the uncertainty of the measuring tool used |
SI | international system of units; related by multiple of tens, designed to provide a world wide standard of physical measurement |
scientific method | organized set of investigation procedures that can include stating a problem, forming a hypothesis, researching and gathering information, testing a hypothesis, analyzing data, and drawing conclusions |
scientific method | organized set of investigation procedures that can include stating a problem, forming a hypothesis, researching and gathering information, testing a hypothesis, analyzing data, and drawing conclusions |