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WorksheetsSC9 U1-Q1 Scientific Method Vol.2
Total questions: 21
Worksheet time: 20mins
What is the Dependent Variable in this graph?
Different Times of the Day
Types of Plants
A student wants to test the effects of different types of exercise on heart rate. What would be the dependent variable of the experiment?
the measurement of heart rate
age of a student
What would the INDEPENDENT variable be in an experiment testing which paper airplane design goes furthest?
how many days
Susan said, “If I fertilize my geranium plants, then they will have more flowers.”
state a problem
test the hypothesis with an experiment
form a hypothesis
draw conclusions
make an inference
What is an observation?
A scientific statement based on ideas
Using your senses to notice what is going on around you
To be unaware of your surroundings
The question that you want an answer to.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...
The type of plant.
The amount of sunlight.
The type of music.
The type of liquid
Mr. Kim normally uses praise as a reward to train his beloved Welsh corgie. He wants to know the best way to train his dog, so he sets up an experiment to find out if there is a better way to get his dog to respond to commands. What is his independent variable?
Cuteness of the dog
Which of these contains steps of the scientific method in the right order?
Ask a question, Report results, collect data, form a hypothesis, experiment, analyze data, form a conclusion
Form a hypothesis, report results, ask a question, experiment, analyze data, form a conclusion, collect data
Ask a question, form a hypothesis, experiment, collect data, analyze data, form a conclusion, report results
Form a hypothesis, ask a question, collect data, form a conclusion, experiment, analyze data, report results
A student waters one plant with fresh water and one with salt water and measures growth. What is the control ?
plant with salt water
plant with fresh water
growth of salt water plant
growth of fresh water plant
What type of graph would should be used to show this data?
bar
pie
line
arrow
Tim and Moby intentionally changed the amount of water to determine if Moby was watering his plant too much. Amount of water is known as this type of variable.
Independent or Manipulated Variable
Independent or Dependent Variable
Dependent or Responding Variable
Controlled Variable
What is the control group?
A scientist hypothesizes the temperature at which an alligator's egg is incubated will determine whether the alligator will be male or female. The dependent variable is
the temperature
the size of the baby alligators
the incubator
the gender of the baby alligators
Mr. Kim needs your help: He needs to find the constant variables for his experiment. He is trying to determine which brand of shampoo leaves his hair the softest. Which variable would be a constant?
Shampoo brand
The softness of Mr. Kim's hair
Amount of Shampoo
No constant variable here
The librarians want to know which students are checking out what types of books. They are testing "Which type of book do 9th graders check out most often: fiction or nonfiction?" The number of checked-out books is
a good book
a control variable
What is the proper hypothesis for the scientific question: "Will more students buy cafeteria food on days when the cafeteria serves pizza?"
I think that more students will buy food on the days that the cafeteria sells pizza.
If the cafeteria sells pizza, then the students will win.
If the cafeteria sells pizza, then more students will buy cafeteria food than on days when pizza is not served.
If the cafeteria sells pizza, they will sell more food than on days when they do not sell pizza.
The butterfly is on a pink flower.
A man is getting hit in the face with a baseball.
Observation
Inference.
