Scientific Method Quiz

Which of the following is an example of a Fact?

• An object in motion stays in motion unless acted upon by an outside force.

• The average high temperature in August in Chicago is 81F.

• The addition of nitrogen, phosphorus, and potassium to soil will increase the growth rate of plants.

• The movement of large plates in the Earth's crust is responsible for the position of the continents, earthquakes, and many volcanoes.

Which of the following is a characteristic of pseudoscience related to the belief in extraterrestrial aliens building ancient stone structures?

• Repeatability

• Evidence

• Peer review

• Alternative Explanations

What was the initial observation made by James Lind in his experiment to find a cure for scurvy?

• The sailors had similar symptoms of scurvy.

• The sailors who ate oranges and lemons had recovered from scurvy.

• The sailors had different diets.

• Not all sailors would get scurvy.

Which experiment is controlled in the study of the effects of population size on the likeliness of minnows to be infected with a fungal disease?

• Not what would actually happen in nature

• Two large 500-gallon aquariums are set up. Each has an identical temperature, light exposure, feeding schedule, and water composition. One aquarium has a population of 50 minnows, and the other has 500 minnows. Each aquarium is inoculated with the disease, and the percentage of fish infected within a week is observed.

• Controlled

• A sampling of 50 fish is taken from both a large lake and a nearby smaller upland pool. The lake is known to have a much greater population of minnows. The number of fish infected with the disease is observed.

• Natural

• Natural

• Viewed in an organisms natural habitat

• Controlled

What is the margin of error in the political poll mentioned?

• +/- 2.3%

• +/- 6.5%

• +/- 40.5%

• +/- 3.0%

What is a drawback of natural experiments compared to controlled experiments?

• They may be difficult to find the exact environmental conditions.

• They allow for easier manipulation of variables.

• They take place in authentic environments.

• They provide more accurate results.

What is this equation representing?

• Photosynthesis

• Cellular perspiration

• Photography

• Cellular Respiration

Organize these options into the right categories

Groups:

(a) Protons

,

(b) Neutrons

,

(c) Electrons

• No Charge

• Negative Charge

• Along with Protons, determines the atom's mass

• Positively Charged

• Orbit the Nucleus

• Determines the atom's elemental identity

What molecule did Joseph Priestly's experiment discover?

• Carbon Dioxide

• Hydrogen

• Oxygen

• Nitrogen

What is this equation for?

• Cellular Biography

• Cellular Respiration

• Photosensitizes

• Photosynthesis