WorksheetsScientific Method Review
Total questions: 42
Worksheet time: 45mins
What is a possible answer or explanation to a question based on knowledge, observations, and research?
HINT: It is often written in "if...then" format.
Observation
Hypothesis
Experiment
Conclusion
Why is it important to write down your procedure?
So that I can photocopy it for my friends.
To take up more class time.
So that other scientists can repeat it.
So that I don't have to do it later.
The information gathered from making observations is called ____.
experiment
graph
procedure
What is an independent variable?
The variable being tested or changed by the scientist, also known as the manipulated variable.
The variable that the
scientist is measuring or
observing, also known as the responding variable.
The variables that the scientist keeps constant, which allows them to attribute the results to the independent variable alone.
How many independent variables should we change when conducting an experiment?
1
2
3
As many as we want
What is the independent variable in the following scenario?
"The blood pressure of a soldier is measured while he is resting. The soldier is then exposed to a stressful environment and his blood pressure is measured again."
the environment
the soldier
blood pressure
none of the above
What is a dependent variable?
The variable being tested or changed by the scientist, also known as the manipulated variable.
The variable that the
scientist is measuring or
observing, also known as the responding variable.
The variables that the scientist keeps constant, which allows them to attribute the results to the independent variable alone.
What is the dependent variable in the following scenario?
"The blood pressure of a soldier is measured while he is resting. The soldier is then exposed to a stressful environment and his blood pressure is measured again."
the environment
the soldier
blood pressure
none of the above
What is a controlled variable?
The variable being tested or changed by the scientist, also known as the manipulated variable.
The variable that the
scientist is measuring or
observing, also known as the responding variable.
The variables that the scientist keeps constant, which allows them to attribute the results to the independent variable alone.
What is the controlled variable in the following scenario?
"The blood pressure of a soldier is measured while he is resting. The soldier is then exposed to a stressful environment and his blood pressure is measured again."
the environment
the soldier
blood pressure
none of the above
What is the term for a statement that can be tested?
Observation
Hypothesis
Experiment
Data
Dolphins have smooth skin.
Quantitative observation
Qualitative observation
These types of observations are made using instruments such as rulers, balances, and thermometers.
Qualitative
Quantitative
What makes a loud crackling sound?
Qualitative
Quantitative
Steve wanted to see if the type of fertilizer made sunflowers grow larger. What is the independent variable?
Type of fertilizer
Size of sunflower
Type of sunflower
Sam wanted to know if the color of the chair you sat in when taking a test affected your test grade. What is the dependent variable?
Color of chair
Grade on test
Age of students
Carey and Justin are fundraising to buy books for the library. The more money they raise, the more books they can purchase.
Which variable is dependent?
The amount of money raised
The number of books
What is the first step in the scientific method?
draw conclusions
ask a question/make an observation
make a hypothesis
test the experiment
The following is NOT a step in the scientific method.
collect data
share conclusions with others
make predictions
take conclusions
Which happens first?
make a hypothesis
make a plan
ask a question/make an observation
draw conclusions
Which happens last?
make a hypothesis
ask a question/make an observation
make a plan
draw conclusions
To make observations you use your _______.
senses
feet
smile
experience
Performing a test or experiment allows you to test your ___________.
draw conclusions
hypothesis
senses
battery
38-44.
Answer the questions below after watching the video
Write one observation about the puppies.
What is a qualitative observation?
A qualitative observation is a descriptive assessment based on qualities observed
Which of the following are examples of qualitative observations? (select all that apply)
The train is red and has some cars attached
There are 23 people in this class
There are many people in this building
There are 2 red trains on that track
What is a quantitative observation?
Which of the following are examples of quantitative observations?
There are 28 students in this class
The weather is hot today
The weather today is sunny and 89 degrees
There are many students in this class
A qualitative observation uses (a) whereas quantitative observations use (b)
Organize these observations into the right categories
there are 3 trees
she has 5 apples
he ran 10 miles
the temperature is 75 degrees
the book costs $20
there are 8 students in the class
the car traveled 200 miles
the box weighs 15 pounds
the sky is blue
the music is loud
the flower smells sweet
the movie was exciting
the painting is beautiful
the food tastes delicious
the sunset is stunning
the story is interesting
Qualitative or Quantitative: The green bar is 3.5 centimeters long.
Qualitative Observation
Quantitative Observation
Qualitative or Quantitative: We bought 3.4 pounds of fruit.
Qualitative Observation
Quantitative Observation
Qualitative or Quantitative: There are 300 mL of liquid in this beaker.
Qualitative Observation
Quantitative Observation
Qualitative or Quantitative: The solution turned blue.
Qualitative Observation
Quantitative Observation
