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Ch1 Section1 & 2: The World of Life Science

Across
Anything in an experiment that can change the experiment's results
A series of steps followed to solve problems
A statement that explains how something can cause an effect
An experiment that tests only one factor at a time by using a comparison of a control group with an experimental group
The study of living things.
Down
A testable idea or explanation that leads to scientific investigation
Anyone who studies organisms, or living things.
After analyzing results from experiments, scientists must decide if the results support the hypostheses
A disease that affects the brain and nerves
A factor that changes in an experiment in order to test a hyposthesis