Scientific method
Six a procedure which should take you from the instructions of a problem through
Hypothesis
Testable prediction
Experiment
Testing a hypothesis
Independent variable
What’s being tested
Dependent variable
The result that you’re measuring
Control group
The group that being tested that doesn’t do anything.
Constant
Variable that does not change
SI system
Measurements of units
Centi
Milli
Kilo
Density
Amount of mass in an object
Volume
Amount of space occupied by an object
Derived unit
Units which are a combination of other units
Mass
Manager of the amount of matter in an object
Everything has mass never changes
Graph
Visual display of info or data
6 steps of scientific method
- Identify the problem
- Gather information
- Form a hypothesis
- Test the hypothesis
- Analyze information( data worked or not)
- Draw a conclusion
Directly
Indirectly
One variable increases causes the other to increase same with decrease
Increase one value causes a decrease in the other
Steps good experiment
IV DV Constant Test group Control group
Why is the SI system is easy system? Common uses for the SI units?
Used for comparison easily compare things because it’s in units.
Used for cost, people are just stubborn, and if it ain’t broken don’t fix it.
Test group
The group that actually does something
Length
A measure of the distance between two points
X axis?
Y axis ?
X= IV Y= DV
Physical science
Is the study of matter and energy