What is the control group for this experiment?

Students that do not study at all.

What is the typical sequence of the steps of the scientific method?

Question, Hypothesis, Experiment, Data, Analysis, Conclusion

What is the purpose of a control group in an experiment?

For comparison to the experimental variables.

What was the dependent variable for Redi's experiment, shown below?

Whether flies were attracted to the meat or not.

What can you conclude from this graph?

Predators attack plain brown snakes more often.

What conclusion did Redi make based on his experiment, shown below?

Flies are attracted to rotting meat and lay their eggs on it

According to the graph, which plant showed the least growth over the 11 day period?

The plant that was exposed to 1hr of sunlight.

What is the independent variable in this experiment?

Number of minutes students study

What is an independent variable?

The variable that is changed/manipulated by the experimenter

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Scientific Method Review

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A review of the steps of the #scientific method, #data collection and analysis, and basic #experimental set up.

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Questions 21

Answers

1
What is the control group for this experiment?
There is no control group in this experiment.
Students that do not study at all.
Students that study for 30 min.
Students that study for 45 min.
2
When should you make a hypothesis?
Before doing the experiment.
After doing the experiment.
After analyzing data.
After making your conclusion.
3
According to the graph, which group of organisms contains the largest number of species?
Other invertebrates
Vertebrates
Insects
Plants
4
Which jar represented the control group for Redi's experiment?
There was no control group.
Flask sealed
Flask unsealed
Flask covered with gauze
5
What is the typical sequence of the steps of the scientific method?
Question, Experiment, Hypothesis, Data, Analysis, Conclusion
Hypothesis, Question, Experiment, Data, Analysis, Conclusion
Question, Hypothesis, Experiment, Data, Analysis, Conclusion
Question, Hypothesis, Experiment, Conclusion, Data, Analysis
6
What is the purpose of a control group in an experiment?
To make sure that the experiment is working.
To make sure that the variables are constant.
To make sure that nothing changes.
For comparison to the experimental variables.
7
What was the dependent variable for Redi's experiment, shown below?
Whether flies were attracted to the meat or not.
The type of jar.
The type of lid/covering.
The type of meat.
8
According to the graph, which class has the greatest number of students enrolled?
Physics
Earth Science
Chemistry
Biology
9
What is the first step of the scientific method?
Conduct an experiment.
Make a hypothesis.
Ask a question.
Analyze information/data.
10
According to the graph, on DAY 7, how tall were the plants kept in the sun for 9 hours?
100mm
130mm
140mm
120mm
11
What can you conclude from this graph?
Predators attack plain brown snakes more often.
Predators do not attack either snake.
Predators attack brown & colored ring snakes an equal amount
Predators attack snakes with colored rings more often.
12
What conclusion did Redi make based on his experiment, shown below?
Flies are attracted to rotting meat and lay their eggs on it
Flies do not eat meat.
Old meat does indeed turn into flies.
Meat does not rot if you put a lid on it.
13
According to the graph, which plant showed the least growth over the 11 day period?
The plant that was exposed to 6hrs of sunlight.
The plant that was exposed to 9hrs of sunlight.
The plant that was exposed to 1hr of sunlight.
The plant that was exposed to 3hrs of sunlight.
14
What is the independent variable in this experiment?
Grades on the test.
Subject that is tested.
Number of minutes students study
Test that is given to the students.
15
According to the graph, how many students are enrolled in physics?
140 students
220 students
100 students
60 students
16
According to the graph, what year had the highest number of tadpoles?
1994
1990
1996
1992
17
According to the graph, how many tadpoles were noted in 1996?
400 tadpoles
600 tadpoles
800 tadpoles
200 tadpoles
18
What was the independent variable in Redi's experiment, shown below?
The type of lid/covering.
Whether flies were attracted or not.
The type of jar.
The type of meat.
19
What is an independent variable?
The variable that is changed/manipulated by the experimenter
Using your senses to collect information.
A group that does not receive the variable being studied.
The variable that responds to the change, usually measured
20
Which variable responds to the change? It is often measured at the end of the experiment.
Dependent Variable
Constant
Control Group
Independent Variable
21
What is the dependent variable for this experiment?
Number of minutes studied.
Grade on the test.
Subject tested.
Test given to students.

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