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Review for Intro To Science Test
Review for Intro To Science Test
24
Science
9th Grade
11/12/2014

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Cards

Term
What is another name for the dependent variable?
Definition
Responding Variable
Term
On which axis does the dependent variable go?
Definition
y-axis
Term
On which axis does the independent variable go?
Definition
x-axis
Term
What is another name for the independent variable?
Definition
Manipulated Variable
Term
Which variable is the result in an experiment?
Definition
Dependent Variable
Term
Which variable is the cause in an experiment?
Definition
Independent Variable
Term
A scientific theory is...
Definition
... An explanation about the natural world that has significant supporting evidence that was acquired through the scientific method
Term
A scientific law is...
Definition
...A statement that describes a natural occurrence in the universe from repeat experimental observations.
Term
A hypothesis is ...
Definition
... a proposed testable explanation.
Term
A problem is ...
Definition
... stated as a question that is testable.
Term
A source of error is ...
Definition
... something from an experiment that may have impacted the results in a way that caused problems with the results.
Term
List the steps to the Scientific Method (as learned in class).
Definition
1. observation in nature
2. statement of problem/question
3. hypothesis
4. plan (procedure and materials)
5. collect / analyze data
6. draw conclusions
7. report results and conclusions
Term
If the results of an experiment do not support the hypothesis, a scientist should...
Definition
go back in the scientific method and design a new hypothesis to test
Term
How do you calculate the average of a set of numbers?
Definition
get the total of all the numbers added together then divide this total by how many numbers were added
Term
What is meant by the term, units?
Definition
This is whatever an amount was measured in...such as meters, grams, or liters
Term
What is the format for a properly stated hypothesis?
Definition
If (independent variable) then (dependent variable).
Term
Why do scientists only change one variable at a time?
Definition
This way the variable that caused the result can be clearly identified. If you change more than one, you don't know what caused the result.
Term
How can you change a description of "big" to be more scientific?
Definition
Use something like a ruler to measure how big.
Term
What is the dependent variable in this hypothesis? If a ball is let go on a hill, then it will roll down the hill.
Definition
rolling down the hill
Term
What is the independent variable in this hypothesis? If a ball is let go on a hill, then it will roll down the hill.
Definition
Letting go of a ball on a hill
Term
Give an example of a scientific theory
Definition
Theory of evolution, Theory of relativity, Big Bang Theory
Term
Give an example of a scientific law
Definition
The law of gravity, Newtons 3 laws of motion, law of thermodynamics
Term
What is the purpose of a controlled variable? (Not to be confused with control group)
Definition
To keep the rest of the testing / experimental situation the same so we know which variable caused the change in the experiment
Term
What is the purpose of a control group? (not to be confused with a controlled variable)
Definition
This is the normal situation which is used to COMPARE with the tested situation
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