What is the first step of the scientific method?

Make an observation/ask a question

What is a hypothesis?

A possible explanation for a scientific based in research and prior knowledge.

A list of all the materials used in an experiment.

A detailed description of the results of an experiment.

A law that has been proven true in every situation.

What is a controlled experiment?

Two (or more) identical experiments are set up where only a single factor is altered. There can only be a single variable in a controlled experiment.

An experiment where all variables are changed at once to see the overall effect.

A type of experiment that does not require any control group or comparison.

An experiment that is conducted without any hypothesis or prediction.

What is the final step of the scientific method?

Form a conclusion in which the hypothesis is either supported or rejected

Make an observation about a phenomenon

Develop a theory based on previous experiments

Collect background information from various sources

Which of the following best describes the observation given in the example?

Hot spots are a skin disease in dogs caused by a bacterial infection.

Hot spots are a type of food for dogs.

Hot spots are a type of weather phenomenon.

Hot spots are a type of exercise for dogs.

What is the scientific question asked in the example?

Will PSI be an effective vaccine against hot spots in mice?

How do dogs recover from hot spots?

Are hot spots painful for dogs?

What is a hypothesis?

A possible explanation for a scientific question based on research and prior knowledge

Identify the hypothesis in the following statement:

If mice are vaccinated with PSI, then they will not get hot spots to the degree that non vaccinated mice do.

Mice are more likely to get hot spots if they are not vaccinated.

PSI is a treatment for hot spots in mice.

Hot spots are a common problem in laboratory mice.

What is a controlled experiment?

Two or more identical experiments set up where only a single factor is altered

An experiment where multiple factors are altered at once

An experiment with no variables

An experiment with no control group

What is the role of the experimental group(s) in a controlled experiment?

To be subjected to the treatment under investigation

To serve as a baseline for comparison

Which of the following is an example of a scientific theory?