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Diagrams, tables and graphs are used by scientists mainly to:
a single variable
vaccinate 50 birds, do not vaccinate 50 other birds, and expose all 100 birds to the disease.
Species of bean plant
A hypothesis serves as a basis for determining what data to collect when designing an experiment
organize data
conclusion based on data expected to be collected in the experiment
Only one independent variable is used for each experiment
the heart rate
Which statement best describes a hypothesis?
a single variable
vaccinate 50 birds, do not vaccinate 50 other birds, and expose all 100 birds to the disease.
Species of bean plant
A hypothesis serves as a basis for determining what data to collect when designing an experiment
organize data
conclusion based on data expected to be collected in the experiment
Only one independent variable is used for each experiment
the heart rate
A scientist performed an experiment to see the effects of a scary movie on the heart rate of people watching the movie. In this experiment, the dependent variable is:
a single variable
vaccinate 50 birds, do not vaccinate 50 other birds, and expose all 100 birds to the disease.
Species of bean plant
A hypothesis serves as a basis for determining what data to collect when designing an experiment
organize data
conclusion based on data expected to be collected in the experiment
Only one independent variable is used for each experiment
the heart rate
Which statement describes the best procedure to determine if a vaccine for a disease in a certain bird species is effective?
a single variable
vaccinate 50 birds, do not vaccinate 50 other birds, and expose all 100 birds to the disease.
Species of bean plant
A hypothesis serves as a basis for determining what data to collect when designing an experiment
organize data
conclusion based on data expected to be collected in the experiment
Only one independent variable is used for each experiment
the heart rate
Which statement about the use of independent variables in controlled experiments is correct?
a single variable
vaccinate 50 birds, do not vaccinate 50 other birds, and expose all 100 birds to the disease.
Species of bean plant
A hypothesis serves as a basis for determining what data to collect when designing an experiment
organize data
conclusion based on data expected to be collected in the experiment
Only one independent variable is used for each experiment
the heart rate
The first trial of a controlled experiment allows a scientist to isolate and test:
a single variable
vaccinate 50 birds, do not vaccinate 50 other birds, and expose all 100 birds to the disease.
Species of bean plant
A hypothesis serves as a basis for determining what data to collect when designing an experiment
organize data
conclusion based on data expected to be collected in the experiment
Only one independent variable is used for each experiment
the heart rate
A student is investigating the effect of different environmental factors on the growth of a certain species of bean plant. Which factor would NOT function as a variable?
a single variable
vaccinate 50 birds, do not vaccinate 50 other birds, and expose all 100 birds to the disease.
Species of bean plant
A hypothesis serves as a basis for determining what data to collect when designing an experiment
organize data
conclusion based on data expected to be collected in the experiment
Only one independent variable is used for each experiment
the heart rate
The development of an experimental research plan should NOT include a:
a single variable
vaccinate 50 birds, do not vaccinate 50 other birds, and expose all 100 birds to the disease.
Species of bean plant
A hypothesis serves as a basis for determining what data to collect when designing an experiment
organize data
conclusion based on data expected to be collected in the experiment
Only one independent variable is used for each experiment
the heart rate
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