Problem-Question
What is the first step in the scientific method?
Asking a question
What is a hypothesis?
An educated guess.
What’s the independent variable?
What I change.
3 parts of method?
Safety, materials, steps.
What comes after hypothesis?
Experiment/test.
Example of a testable question. using ( water - volume and boiling)
Does water volume affect boiling time? ?
A hypothesis is always right.
False.
What’s the dependent variable?
What I measure.
Why write clear steps?
So others can copy.
Why use variables?
To make tests fair.
What makes a good scientific question?
Testable
If ___, then ___, because ___” is what?
Hypothesis format.
What’s a controlled variable?
What I keep the same
Why list materials?
To repeat the test.
After method, what comes next?
Collect data.
Which is better: “Why is the sky blue?” or “Does water affect plant growth?”
Plant growth (testable)
Hypothesis: Hot water dissolves sugar faster than cold water.
Correct.
State the number of variables found in an experiment
3
What comes first: safety, materials, or steps?
Safety.
Final step of the scientific method?
Conclusion.
Why do scientists ask questions first?
To know what to test.
What word means “an educated guess based on research”?
Hypothesis.
What are the three types of variables
Independent
Dependent
Controlled
Why is safety part of the method?
To avoid accidents.
What is the second step of a scientific method ?
Research