When beginning to write hypotheses, what two words should be found in the statement?
If and Then
100
You're driving. You're driving a vehicle, and you're graphing out how far you go based on how much gas you spend. What's the independent variable?
how much gas you spend
100
What is: an explanation supported by results of many experiments.
theory
100
What is: the process to try to understand everything?
science
200
What is: a statement that can be tested?
hypothesis
200
Give an example of a hypothesis we would have written for the paper airplane lab?
Answers may vary.
200
You're driving. You're driving a vehicle, and you're graphing out how far you go based on how much gas you spend. What's the dependent variable?
how far you go
200
What is: something that describes the behavior of something in nature but doesn't always explain why?
law
200
What is: the factor in the experiment that changes?
independent variable
300
What is: step by step procedures of scientific problem solving?
scientific method
300
I observed a wilted flower under the shade of a porch. I observed the same flower in the grassy yard, and it was in full bloom after a rainstorm. Write a hypothesis about the observation.
If a flower is watered, then it will not wilt and will look healthy.
300
A scientist studies how many days people can eat soup until they get sick. What is the dependent variable?
The onset of illness.
300
What's the independent variable?
The factor that changes.
300
What is: the factor in the experiment that doesn't change?
dependent variable
400
What is: factors in an experiment that everything compares to
control group
400
What do you do, using the scientific method, before you form a hypothesis? After
Recognize the problem before.
Create an experiment after.
400
A scientist studies how many days people can eat soup until they get sick. What is the independent variable?
The number of days eating soup.
400
What is the dependent variable?
The factor that doesn't change?
400
What is: a conclusion made by observations?
inference
500
What is: a statement based on what you observed in the experiments?
conclusion
500
A footprint impression has been found in the woods behind DCMS. It's two feet in length and looks semi-human. Long hairs have also been found near the scene. Some say there's a bigfoot roaming the area. The only footprints have been found near berry bushes. Form a hypothesis using the observations.
Answers may vary.
500
DAILY DOUBLE!
Make your wager.
What is the "placebo effect?"
500
What's the difference between the control group and the dependent variable?
The dependent variable is a factor that is being tested that doesn't change. The control group is not being tested on, instead acts as the comparison or example.
500
What are the 5 steps of the scientific method?
1) recognize the problem,
2) form a hypothesis,
3) create an experiment,
4) perform the experiment,
5) draw a conclusion.