What is Science Practice Test

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

• If there is a full moon, there will be more crime.

• Matter cannot be created or destroyed; it only changes form.

• Life as we know it today evolved overtime due to natural selection.

• Black cats bring bad luck.

Which of the following is not a scientific activity?

• Trekking through the jungle.

• Measuring the amount of snowfall everyday for a month.

• Observing fish living on a coral reef.

• Testing the effectiveness of a new brand of laundry detergent.

A good theory...

• can change as new evidence is discovered

• is based both on fact and opinion

• is based on multiple laws

• is unchangeable

Which is NOT an example of scientific knowledge changing through time?

• astronomers discovering that planets orbit the sun in oval-shaped orbits instead of circle-shaped orbits

• Newton's laws of motion remaining unchanged over time.

• scientists discovering that the Earth is round not flat

• doctors discovering that germs are responsible for infectious disease

Which is an example of a scientific theory?

• I think it's going to rain today.

• Based on my personal research, Raid is the most effective big spray.

• All living organisms are made up of cells, and all cells come from pre-existing cells.

• As altitude increases, pressure decreases.

Which activity requires a scientist to use creativity?

• sort rocks by color and shape

• design an experiment to test the effectiveness of different brands of motor oil

• repeating the same experiment multiple times

• measuring the growth of a plant

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Both theories and laws are based on...

• evidence from a single scientist's experiment

• evidence from a single experiment carried out by famous, world-renown scientists

• evidence obtained from multiple experiments carried out by many different scientists over time

• evidence that has been obtained from one scientist repeating their experiment multiple times.

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True or False: If a theory stands up over time, it becomes a law.

• True

• False

All scientific explanations are based on

• data and evidence

• personal opinions and experiences

• imagination and creativity

• inspiration and intuition

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All of the following are inferences, EXCEPT

• I think there are termites because the walls sound hollow.

• The groundhog has seen his shadow, so winter will last six weeks longer this year.

• The dog weighs 25 kilograms.

• I can't read the label but the bottle smells like it has oregano in it.