Steps of the Scientific Method
Vocabulary
Variables
All about Data
Write a hypothesis!
100
Which of these is NOT a step of the scientific method? Hypothesis Experiment Conclusion Plagiarism
Plagiarism
100
Learning by asking questions is called...
Inquiry
100
A quantity that has a value which describes something is called...
A variable!
100
A mathematical diagram showing the relationship between two variables...
A graph
100
Which of the following is NOT a rule when writing a hypothesis? It is an if/then statement It is testable It should restate the question
It should restate the question
200
What is the first step of the Scientific Method?
State the question/problem
200
A _____________ is a human attempt to describe a natural law.
Scientific theory
200
What is the experimental variable? "How does salt change the freezing temperature of water?"
Salt
200
What is a direct relationship?
When one variable increases, the other increases.
200
What format is the hypothesis written in?
If/then
300
What senses do we use to make observations?
All 5! Touch, sight, taste, smell, and hearing.
300
What is a control variable?
Variables that are kept constant in an experiment.
300
What is the experimental variable: "Does ultraviolet (UV) radiation affects skin cancer?"
UV radiation
300
What is an inverse relationship?
When one variable increases, the other decreases.
300
Change this question into a hypothesis: "How does sunlight affect plant growth?"
If a plant gets sunlight, then the plant will grow.
400
What is a good hypothesis?
Is testable, leads to a prediction, is stated in an "if/then" format.
400
What does "objective" mean?
The evidence should describe only what actually happened as exactly as possible.
400
What are the two main variables in an experiment?
Experimental, control
400
When would you use a bar graph?
Whenever you are comparing data.
400
How does weight affect the speed of a car?
If you drive a lighter car, then you will go faster.
500
Name the steps in order.
Ask a question, form a hypothesis, design an experiment, record and analysis data, draw conclusions, and communicate results.
500
Define experimental variable.
The variable you allow to change in an experiment.
500
What is the experimental and constant variables? "Does speed affect gas mileage?"
Experimental: Speed Constants: Tires, car, road, wind speed, etc...
500
In the paper airplane lab, what did the X and Y axis represent?
The variables.
500
Can you make a paperclip float?
If you gently put the paperclip in water, then the surface tension in water will hold it up.
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