Classifying involves evaluating observations and data to reach a conclusion about them.
Tools, such as the microscope, can help scientists when they are observing.
Scientists make predictions to help them study things that cannot be observed directed.
A(n) qualitative observation involves descriptions that cannot be expressed in numbers.
Inferring is a way to learn about the natural world.
Scientists use past experience or evidence to make about what will happen in the future.
To draw a conclusion, scientists must data from an investigation.
are attempts to explain what has already happened.
is one way scientists organize data from an experiment.
A scientific is the forming and testing of ideas about the natural world.