Evaluating Evidence In Science Question Preview (ID: 34698)
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Scientific knowledge is open to change as new evidence or information is encountered. Which of the following would be a result of new scientific evidence or information?
a) Elephants are spotted in Africa on the savanna.
b) A science experiment tests the temperature at which alcohol boils.
c) A new planet is named after the mathematician who calculated its location.
d) The acceleration due to gravity is used to calculate the force of gravity on a falling object.
Roderick wants to go to medical school because he is fascinated with the brain and how it works. In his studies, he reads scientific explanations about the brain and its functions. They have changed over time. Why would the science have changed?
a) Personal opinions changed.
b) New evidence was provided.
c) The models of the brain changed.
d) The brain is very different from how it really was before.
Karise is researching the scientist Madame Curie. She learns that Madame Curie discovered radium, a radioactive element. What evidence is there that science changed as a result of this discovery?
a) Madam Curie won the Nobel Prize in Physics in 1903.
b) Madame Curie studied mathematics and physics in Paris
c) Exposure to radiation caused Madame Curie health problems.
d) The elements radium and polonium were added to the Periodic Table of Elements.
Scientists had voted to change the definition of planet. The headlines read “Pluto Is Not a Planet.” What was the article most likely about?
a) Pluto decreased in size.
b) Pluto no longer met the criteria for planet.
c) Space exploration revealed that Pluto was smaller than Earth.
d) Scientists needed more dwarf planets for the solar system model.
The first periodic table of the elements was organized based on atomic weight. But the modern table is organized based on atomic number. How did scientists use logical reasoning to reorganize the periodic table?
a) New information was learned about the properties of the elements.
b) Scientists thought the table looked better with the elements in this order.
c) The new order made it easier to name chemicals and write chemical formulas.
d) Scientists discovered that the masses of the elements kept changing, but the atomic numbers did not.
The discovery of new empirical evidence can lead to changes in scientific knowledge. Which of the following is an example of scientific knowledge changing as a result of empirical evidence?
a) A plant grows more vigorously after being given a new brand of fertilizer.
b) A plant produces a new color of flower after being placed in a different type of soil.
c) A fungus is reclassified to a different genus after a new research article is published.
d) A bird species develops a new shape of beak after a flower undergoes a genetic mutation
Carol heard about the scientists that were able to analyze the genetics of a Tyrannposaurus rex from the DNA in a preserved leg bone. DNA contains the biological instructions that make the species unique. Which of the following is a resulting change
a) Dinosaurs ate meat and berries.
b) Dinosaurs slept during the day and hunted at night.
c) Dinosaurs had genetic commonalities with modern chickens
d) Some dinosaurs walked on two feet while others walked on four feet.
Nathan is writing a paper explaining why scientific knowledge changes. Which of the following would provide evidence for a change in scientific knowledge?
a) Volcanoes can be dormant or active.
b) Pavlov’s dogs salivated when they heard a bell.
c) Some people do not believe that global warming is true.
d) Einstein expanded Newton’s Laws of Motion to apply to more situations.
After much debate, what is needed for science knowledge to become a theory?
a) a Nobel prize
b) theoreticl evidence
c) publication
d) confirmation within the science community
Which does NOT result in scientific knowledge?
a) empirical evidence
b) more assumptions by scientists
c) communication and debates within the scientific community
d) confirmation through more experiments through repetition and replication
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