Scientific Investigation Review

Which of the following variables present in Redi’s experiment on spontaneous generation is NOT a controlled variable?

• gauze covering that keeps flies away from meat

• types of jars used

• types of meat used

• temperature at which the jars were stored

In science, a hypothesis is useful only if

• it is proven correct.

• it can be proven incorrect.

• it can be tested.

• the explanation is already known.

When a scientist says that the river is in good health after looking at 10 different water samples, this is making an

• Conclusion

• experiment

• hypothesis

• inference

When a scientist says that the river is in good health after looking at 10 different water samples, this is making an

• Conclusion

• experiment

• hypothesis

• inference

Which of the following is NOT a goal of science?

• to investigate and understand the natural world

• to explain events in the natural world

• to use data to support a particular point of view

• to use derived explanations to make useful predictions

The work of scientists usually begins with

• Testing Hypothesis

• careful observations.

• creating experiments

• drawing conclusions.

Information gathered from observing a plant grow 3 cm over two-week period results in

• inference

• variable

• hypothesis

• data

A controlled experiment allows the scientist to isolate and test

• a conclusion

• a mass of information

• several variables

• a single variable

Which of the following is NOT a characteristic of all living things?

• growth and development

• ability to move

• response to the environment

• ability to reproduce

Which of the following characteristics of living things best explains why birds fly south for the winter?

• Living things respond to their environment.

• Living things maintain internal balance

• Living things are made up of units called cells.

• Living things are based on a universal genetic code