Science Vocab Words

Constant

Something that stays the exact same or happens over and over again without stopping.

Observation

The active process of watching, nothing and gathering information about something using the senses or scientific tools.

Accuracy

The quality or state of being correct, true, and free from error.

Precision

How close repeated measurements or observations are to each other.

Technology

The practical application of knowledge, tools, and methods to solve problems and achieve human goals.

Hypothesis

A proposed, testable expliantion for an observation or scientific question that has not yet been proved.

Scientific Theory

A well-tested and heavily supported explanation for how something in the natural world works.

Scientific Law

Short statement or math formla that describes what always happens in nature under specific conditions.

Independent Variable

The part of an experiment or equation that you change or control to see what happens.

Dependent Variable

The factor that you measure or test in experiment to see how it responds to change.

Science

The systematic study of physical and natural world through observation and experimentation.

Control Group

A standard baseline group in an experiment that does not receive the special treatment or test condition.

Scientific Method

A step-by-step used to explore observations, test, ideas, and answer questions about the world.