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WorksheetsThe Hypothesis Review
Total questions: 35
Worksheet time: 3hrs 45mins
What is a hypothesis?
the thing changed on purpose in the experiment
an explanation about what you observed
using your 5 senses to gather data
an testable prediction about the outcome of an experiment
What two words should be in your hypothesis?
I think
If ...then...
It will
No idea
What variable comes after the word "If"
independent variable
dependent variable
controlled variable
qualitative varible
What variable comes after the word "then"?
independent variable
dependent variable
controlled variable
quantitative variable
When is a hypothesis usually written?
before you decide on a question
after the experiment
before the experiment
after the conclusion
Choose the correctly written hypothesis for "What is the effect of putting Pam Cooking Spray on the bottom of a sled?"
I think the sled will slide faster.
If I put Pam Cooking Spray on the bottom of my sled, then I will win the race."
If I put Pam Cooking Spray on the bottom of my sled, then I will slide faster.
The independent variable is
the thing the scientist measures
the thing the scientist changes or is testing
all variables that are the same in the experiment
the variable that is kept secret in your conclusion
The dependent variable is
the thing that is kept the same
the thing being changed
the thing being measured
the first step of the scientific method
Which hypothesis is correctly written?
Will do well on my test today? Because I ate a good breakfast.
Eating breakfast = good grade
If I study regularly, then I will earn a passing grade on my next test.
Every student should study in order to do well on tests.
A hypothesis is never wrong.
True
False
When we write a conclusion, we state
that our hypothesis was stated as an if/then statement.
that our hypothesis was proven or disproven.
that the hypothesis contained qualitative data.
Only the good things that happened during the experiment
Which step in the scientific method comes after writing the hypothesis?
Test hypothesis
Ask Questions
Draw Conclusions
Share Results
Does the type of ball affect the bouncing height?
Which hypothesis is correct?
If the subject bounces a ping pong ball and a basketball, then the ping pong ball will bounce the highest.
We use a big ball, the ball will bounce really high.
She can use a basketball, then the ball will bounce the lowest.
The subject uses a bowling ball, the bowling ball will bounce the lowest.
The variable that is kept the same during the experiment
Independent
Controlled
Manipulated
Dependent
Is this is a testable Question:
Which soda tastes better?
Testable
Not Testable
Is this is a testable question:
Does changing tire size affect how fast my bike will ride?
Testable
Not testable
Is this is a testable Question:
"How does the size of a bird's wing affect how well it flies?"
Testable
Not testable
Which hypothesis is written corrctly?
If you regularly get 8 hours of sleep changed then you will improve your grades.
Sleep will affect how you do in class.
I think the amount of sleep will affect how you do in class.
If the bed is soft, then you will get better sleep
Norea is going to water her plants more to see if they grow better. What is her hypothesis?
If she waters some plants more than others, then the ones that got more water will grow faster and taller.
how much water she gives the plants
how fast the plants grow
the amount of sunlight, temperature, wind, and insects on the plants
Hypothesis: If she waters some plants more than others, then the ones that got more water will grow faster and taller.
The independent variable is
the height of the plant
the amount of fertilizer
Hypothesis: If she waters some plants more than others, then the ones that got more water will grow faster and taller.
The dependent variable is
the height of the plant
the amount of fertilizer
Alex is rolling a car down a ramp. He thinks that cars roll faster on steeper ramps. What is the independent variable?
If the ramp is steeper, then the car will roll faster.
the steepness of the ramp
the speed of the car
the same car, the same surface, the same wind, etc..
Alex is rolling a car down a ramp. He thinks that cars roll faster on steeper ramps. What could be a control?
If the ramp is steeper, then the car will roll faster.
the steepness of the ramp
the speed of the car
the same car, the same surface, the same wind, etc..
Bethina kicks a ball many times, with different strengths to see how far she can kick the ball. What could Bethina use as a controlled variable?
the same ball
how hard Bethina kicks
how far the ball goes
If Bethina kicks harder, then the ball goes further.
Alva gathers information about a question by making observations of different types of grasses, this will help him to write his hypothesis. He is_____.
Conducting Research
Conducting An Experiment
Asking A Question
Making a Conclusion
What is this statement an example of?
"If acid rain gets into a lake, then more small fish will die than larger fish."
Experiment Step
Question/Purpose
Hypothesis
Analysis
What is the statement an example of?
"The hypothesis was not correct, small fish are not more affected by acid rain than larger fish."
Conclusion
Hypothesis
Question/Purpose
Research
Which definition best describes the Question step of the Scientific Method
Design a procedure to test your hypothesis
Use graphs to review data from your experiment
Ask a measurable question that you want to solve
Summarize the findings of your experiment
When scientists follow the steps of an experiment procedure, they're doing it in order to:
Test the hypothesis
Determine the problem they need to solve
Establish a control group
Waste time
In a science experiment, ______________ is when you gather background information about the problem you're trying to solve.
Research
Drawing conclusions
Stating a hypothesis
Analyzing data
________________________ data involves information that you can count or measure.
Quantitative
Qualitative
Theoretical
Scientific
