This printable crossword puzzle on the topic of Ecology & Evolution has 18 clues. Answers range from 4 to 20 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
the study of Earth systems and systems in space
the study of matter and energy
a rule that describes a pattern in nature
a group of structures, cycles and processes that are related to each other and work together
a part of an experiment that is not changed
a variable that depends on what happens in the experiment when the independent variable is used
a variable that is changed in an experiment
a part of an experiment that can change
using what you already know and new facts to decide if you should agree with something
the study of living systems and the ways in which they interact
a way of learning more about the natural world
an attempt to explain a pattern seen repeatedly in the natural world
is the practical use of science in our everyday lives
involves changing only one part of an experiment and observing what that change does to another part of the experiment
a reasonable answer based on what you know and what you observe
to make a conclusion based on what you observe
something that represents an object, event or idea in the natural world
observations made in a scientific investigation