12
.
Is mathematics a natural science? Explain your reasoning.
-
No, it is not a natural science because it is not used in the study of the natural world.
-
No, it is not a natural science. Mathematics focuses on understanding mathematical relations and calculations, which is useful in natural sciences but which is distinct.
-
Yes, it is a natural science. Mathematics deals with verifying the experimental data.
-
Yes, it is a natural science. It uses chemical and physical measurements.
13
.
Although the scientific method is used by most of the sciences, it can also be applied to everyday situations. A situation is given below. Using the scientific method try to arrange the given steps in the correct order.
Situation:
- If the car doesn’t start the problem might be in the battery.
- Car doesn’t start.
- After changing the battery. Car starts working.
- The car should start after charging the battery or changing the battery.
- The car doesn’t start because the battery is dead.
- The car doesn’t start even after charging the battery, the battery must have stopped working.
-
1, 2, 3, 4, 5, 6
-
2, 1, 3, 4, 5, 6
-
2, 1, 5, 4, 6, 3
-
2, 1, 5, 6, 3, 4
14
.
Read the following questions. Does the statement lend itself to investigation using the scientific method? In other words, is the hypothesis falsifiable (can be proven false)?
- Is macaroni and cheese tastier than broccoli soup?
- Are hummingbirds attracted to the color red?
- Is the moon made out of green cheese?
- Is plagiarism dishonest?
-
Questions 1 and 2 are subjective and cannot be disproven using scientific method. Questions 3 and 4 can be tested using scientific method.
-
Questions 3 and 4 are subjective and cannot be disproven using scientific method. Questions 1 and 2 can be tested using scientific method.
-
Questions 1 and 3 are subjective and cannot be disproven using scientific method. Questions 2 and 4 can be tested using scientific method.
-
Questions 1 and 4 are subjective and cannot be disproven using scientific method. Questions 2 and 3 can be tested using scientific method.
15
.
Consider the levels of organization of the biological world and place each of these items in order from smallest level of organization to most encompassing: skin cell, elephant, water molecule, planet Earth, tropical rainforest, hydrogen atom, wolf pack, liver.
-
hydrogen atom, water molecule, skin cell, liver, elephant, wolf pack, tropical rainforest, planet Earth
-
hydrogen atom, skin cell, water molecule, liver, elephant, wolf pack, tropical rainforest, planet Earth
-
hydrogen atom, skin cell, water molecule, liver, wolf pack, elephant, tropical rainforest, planet Earth
-
water molecule, hydrogen atom, skin cell, liver, elephant, wolf pack, tropical rainforest, planet Earth
16
.
What scientific evidence was used by Carl Woese to determine there should be a separate domain for Archaea?
-
a sequence of DNA
-
a sequence of RNA
-
a sequence of proteins
-
a sequence of sugars
17
.
Both astronomy and astrology study the stars. Which one is considered a natural science? Explain your reasoning.
-
Astrology is a natural science as it indirectly influences human affairs and the natural world.
-
Astronomy is a natural science as it deals with observations and prediction of events in the sky, which is based on the laws of physics.
-
Astrology is a natural science as it deals with observations and prediction of events in the sky, influences human affairs and the natural world.
-
Astrology is a natural science as it deals with the study of asteroids and comets, which is based on the laws of natural sciences.