Question | Answer |
theory | explanation of things or events that is based on knowledge gained from many observation and experiments. |
science | way of learning more about the natural world that provides possible explanation to question and involves using a collection of skills |
scientific theory | a possible explanations to questions and involves using a collection of skills. |
scientific law | a rule that describes a pattern in nature but does not try to explain why something happens |
system | collection structures,cycles,and processes that relate toand interact with each other |
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 | 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. |
technology | use the science to help people in some way |
observation | a record or description of an occurrence or pattern in nature |
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 an observation |
controlled experiment | involves changing one factor and observing its effects on one thing while keeping all other things constant |
variable | factor that can be changed in a experiment |
independent variable | variable that is changed in an experiment |
dependent variable | variable that changes as a result of a change in the independent variable |
constant | variable that is not changed in an experiment |
scientific method | processes scientists use to collect information and answer question |
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 tom happen based on observation |
critical thinking | involves using knowledge and thinking skills to evaluate evidence and explanations |
data | information gathered durin gan investigation;recorded in the form of descriptions,tables,graphs,or drawings |