It depends on what objects. If you mean animals it goes by domain, kingdom, phylum, class, order, family, genus, and species. If you mean other things it's by the state of matter.
classify andpredict are 2
When the scientist is trying to represent an object or a system.
She likes Isaac Newton, her favorite scientist.
an observation
mass
to help them classify the data of the object they are observing
Scientist classify plants as producers due their ability to make their own food. They are in the autotrophic level of the nutrient cycle.
a plant
Aristotle
microscope
Aristotle
Aristotle
they look through a microscope
mullusks
Scientist classify waves by moving through a medium and/or empty space. For example, a wall, air, water, space.
Classifications is first step to differentiation
white and fluffy