1. Scientific Method
Section 1.1

2. A. Scientific Methodology
One Goal of Science
provide natural explanations for events in natural world
Use those explanations
understand patterns in nature and to make useful predictions about natural events

3. B. Steps of Scientific Method
Observations: act of __________ and ___________ events in a careful, orderly way
these observations lead to Questions or _______________ which need to be solved
2. Hypothesis: possible ___________ for ______________ or questions that can be ____________

4. 3. Controlled Experiment (test) - only one _________ is changed
a) control group: exposed to the same conditions as experimental group _____________for one ______________ ____________(IV)

5. 4. Collect/ Record/ Analyze Data –
a) Qualitative Data (___________)
b) ______________ Data (numbers; measurements)

6. 5. Conclusions – experimental data is used as evidence to __________, ____________, _________ your hypothesis.

7. C. Identifying Variables
1. Every experiment involves several variables - ___________________________________

8. Independent Variables
Also called “__________ _________” or IV
This is the variable you ____________ change and test
Example: the ___________ of the a room

9. Dependent Variable
Also called - “_________ __________” or DV
The factor that _______ _________ as a result of the Independent Variable
Example: how fast plants grow in response to the ___________ _______.

10. Controlling Variables
Keeping all conditions the same _________ for the _____________ Variable (IV)
Example: size of the ____________, type of _____, amount of _______, amount of _______, use of fertilizer, same kind of _________
When all variables are controlled, you can then ___________ that the differences in your results are due to the changes in the ______________ Variable (IV)