Biology Crossword Puzzle

The info gathered in observations is evidence or ____
This microscope allows light to pass through the specimen
The 3rd goal of science is to use those explanations to make useful ____
Every one uses it except US
This type of electron microscope runs a pencil like beam of electrons back and forth across the specimen
This type of electron microscope shines a beam of electrons trough a thin specimen
This microscope can form images of objects 1000 times smaller
Hypothesis must be _____
This variable is observed and changes in response to another variable
Is a logical interpretation based on prior knowledge
This variable is deliberately changed
"One of the birds has a red head" is a ___ observation
Observations can lead to inferences or ____
When only one variable is changed at a time in an experiment
scientists make ___
"The worm is 2 cm long" is a ___ observation
The goal of science is to ____ and under stand nature
The 2nd goal of science is to ____ events in nature
a explanation made on the basis of limited evidence as a starting point for further investigation
In science the word ____ applies to a well-tested explanation that unifies a