Variables
What is the term for the main idea being tested?
Hypothesis
What is the independent variable in an experiment
The changed factor.
What is scientific theory?
Well-tested expermient
What is spacetime?
Space and time linked
What is the periodic table based on?
Atomic number
What variable is manipulated by the experimenter?
Independent
What is the dependent variable
The measured unit.
How is a theory different from a hypothesis?
Broader well-supported.
Who developed the theory of relativity?
Albert einstein
Who created the periodic table?
Dimitri mendeleev
What variable is measured in an experiment?
Dependent
What is the controll group?
No treatment group.
Can a scientific theory change?
Yes with new evidance.
What happens to time at high speeds
Slows down
What is a period on a periodic table?
A horizontal row.
What group does not receive the experimental treatment?
Control
Why are constants important?
Ensure fairness.
What is an example of a scientific theory?
Theory of evolution.
What causes spacetime to bend?
Gravity/ mass
What trend increases across a period
Electronegativity.
What group receives the experimental treatment?
Experimental
What is a hypothesis?
Educated guess.
What makes a theory valid?
Repeated testing.
What is time dilation?
Time slowing effect
What trend decreses down a group
Ionization energy.