C165 Integrated Physical Sciences
Access The Exact Questions for C165 Integrated Physical Sciences
💯 100% Pass Rate guaranteed
🗓️ Unlock for 1 Month
Rated 4.8/5 from over 1000+ reviews
- Unlimited Exact Practice Test Questions
- Trusted By 200 Million Students and Professors
What’s Included:
- Unlock Actual Exam Questions and Answers for C165 Integrated Physical Sciences on monthly basis
- Well-structured questions covering all topics, accompanied by organized images.
- Learn from mistakes with detailed answer explanations.
- Easy To understand explanations for all students.
Free C165 Integrated Physical Sciences Questions
Benzene is a liquid at room temperature but solidifies at 5.5°C. What happens when benzene solidifies?
-
Liquid benzene releases energy into the surroundings.
-
Solid benzene absorbs energy from liquid benzene.
-
Solid benzene releases energy into liquid benzene.
-
Liquid benzene absorbs energy from the surroundings.
Explanation
Explanation
Correct answer: (A) Liquid benzene releases energy into the surroundings.
Solidification (freezing) is an exothermic phase change in which a substance transitions from liquid to solid as its particles lose kinetic energy and form a more ordered structure. During this process, benzene releases energy to the surroundings as heat while it changes state.
In 1996, NASA scientists claimed that a Martian meteor contained chemical compounds that indicated life on Mars 3.6 billion years ago. However, further studies showed that the same chemical compounds were found in rocks from the Moon, where no life ever existed.
What is the appropriate scientific approach for dealing with this contradiction?
-
Decide that life could never have existed on Mars because the chemicals are also found on the Moon
-
Accept the idea that there has been life on Mars because the scientists worked for NASA
-
Conclude that there must have been life on the Moon at some time in the past
-
Determine that the chemical compounds that were found do not necessarily indicate life
Explanation
The appropriate response is to determine that the chemical compounds that were found do not necessarily indicate life. The discovery of certain chemicals does not automatically confirm the presence of life; they may be formed through other processes. It is important to investigate alternative explanations rather than drawing conclusions based on a single piece of evidence, especially when new evidence (like the same chemicals being found on the Moon) arises.
Correct Answer Is:
D. Determine that the chemical compounds that were found do not necessarily indicate life
Two tug boats attach their lines to separate barges with the same masses in a shipping channel. If one tugboat pulls Barge A towards the west while the other tugboat pulls Barge B in the same direction applying twice as much force, which barge will accelerate more
-
Barge A
-
Neither will accelerate.
-
Barge B
-
Neither, they will accelerate at the same rate.
Explanation
Correct Answer C: Barge B
Explanation:
According to Newton's second law of motion, the acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass (F = ma). Since both barges have the same mass and one tugboat is applying twice the force on Barge B, it will accelerate more than Barge A.
Why other options are wrong:
A) Barge A:
This is incorrect because Barge A is receiving less force, so it will accelerate less than Barge B.
B) Neither will accelerate:
This is incorrect because both tugboats are applying force, which will cause both barges to accelerate, but Barge B will have a greater acceleration.
D) Neither, they will accelerate at the same rate:
This is incorrect because Barge B is experiencing a greater force, so it will accelerate more.
On Tuesday morning, it was cool and clear. On Tuesday afternoon, light rain and fog occurred. On Wednesday morning, it was warmer and clear.
What caused the change in weather from Tuesday morning to Wednesday morning?
-
A low pressure system moved out of the area on Tuesday morning.
-
A cold front moved through the area on Wednesday.
-
A warm front moved through the area on Tuesday.
-
A high pressure system moved through the area on Tuesday afternoon.
Explanation
Explanation:
Correct answer: (C.) A warm front moved through the area on Tuesday.
A warm front likely moved through the area on Tuesday, bringing warmer air and clearing the weather by Wednesday morning. This matches the pattern of cool and clear conditions followed by rain and fog, then warmer and clear weather. Warm fronts bring warmer, moist air, which results in the weather changes described.
Which question should be explored using a controlled experiment?
-
Which type of pesticide is most effective for beetles in the Midwest?
-
Do elephants maintain consistent social roles within herds?
-
How do solar flares affect plant growth near the equator?
-
What is the rate at which the universe is expanding?
Explanation
Explanation
Correct answer: (A) Which type of pesticide is most effective for beetles in the Midwest?
A controlled experiment is appropriate when a scientist can deliberately manipulate an independent variable and measure its effect on a dependent variable while keeping other conditions constant. Testing different pesticides on beetles allows controlled variation of pesticide type while measuring effectiveness under standardized conditions, making it suitable for experimental investigation.
A grocery store manager notices that items placed on the end of an aisle sell better than items on the shelves. The manager suspects that items on the end of an aisle are more visible to customers walking past, so customers are more likely to purchase them.
Which type of scientific idea is the manager's assumption that visibility of items increases how often they are purchased?
-
Law
-
Theory
-
Observation
-
Hypothesis
Explanation
This is a Hypothesis. A hypothesis is a testable prediction based on observations. The manager observed a pattern (items at the end of the aisle sell better) and formed a testable assumption (visibility increases purchases). This assumption can be tested through further experiments or observations, which is the essence of a hypothesis. It is not a law (a well-established fact), theory (a broad explanation), or observation (simply noticing something without testing it).
Correct Answer Is:
D. Hypothesis
Which type of wave can travel through a vacuum by definition?
-
Electromagnetic
-
Longitudinal
-
Mechanical
-
Transverse
Explanation
Explanation
Correct answer: (A) Electromagnetic
Electromagnetic waves do not require a medium and can propagate through a vacuum because they consist of oscillating electric and magnetic fields. In contrast, mechanical waves (including longitudinal and transverse types) require a material medium such as air, water, or solids to travel.
As particles are pulled toward regions of space that contain dense concentrations of matter, the particles move faster and their kinetic energy increases. Which force causes the particles' energy to increase?
-
Electrical
-
Frictional
-
Magnetic
-
Gravitational
Explanation
Explanation
Correct answer: (D) Gravitational
Gravitational force is the attractive force between masses. As particles move toward regions with greater mass concentration, gravity accelerates them, converting gravitational potential energy into kinetic energy and increasing their speed and kinetic energy.
An electron is transferred from one atom to another.
Which type of bond is formed?
-
Covalent bond
-
Ionic bond
-
Metallic bond
-
Elemental bond
Explanation
Explanation:
Correct answer: (B.) Ionic bond
When an electron is transferred from one atom to another, an ionic bond is formed. In an ionic bond, one atom donates an electron to another, resulting in the formation of positively and negatively charged ions that are attracted to each other. This is in contrast to a covalent bond, where electrons are shared, and metallic bonds, which involve a sea of electrons shared among metal atoms.
Which of these has values that are expressed in terms of a derived unit in the SI system
-
area
-
mass
-
length
-
time
Explanation
Correct Answer:
A) area
Explanation:
Area is a derived unit in the SI system, as it is calculated by multiplying two lengths (e.g., square meters).
Why other options are wrong:
B) mass:
Mass is an SI base unit, not a derived unit.
C) length:
Length is an SI base unit, not a derived unit.
D) time:
Time is an SI base unit, not a derived unit.
How to Order
Select Your Exam
Click on your desired exam to open its dedicated page with resources like practice questions, flashcards, and study guides.Choose what to focus on, Your selected exam is saved for quick access Once you log in.
Subscribe
Hit the Subscribe button on the platform. With your subscription, you will enjoy unlimited access to all practice questions and resources for a full 1-month period. After the month has elapsed, you can choose to resubscribe to continue benefiting from our comprehensive exam preparation tools and resources.
Pay and unlock the practice Questions
Once your payment is processed, you’ll immediately unlock access to all practice questions tailored to your selected exam for 1 month .
Frequently Asked Question
SCIE 1020 C165 covers fundamental principles of physical sciences, including Newton’s Laws of Motion, energy transfer, the greenhouse effect, atomic structure, chemical reactions, forces, and properties of matter.
The best approach includes reviewing course materials, taking practice quizzes, watching explanatory videos, and applying concepts to real-world scenarios to strengthen understanding.
Newton’s First Law (the Law of Inertia) explains why objects resist changes in motion, such as why passengers lurch forward when a car suddenly stops.
Water’s high specific heat capacity allows it to absorb and release heat slowly, helping stabilize temperatures in coastal and oceanic environments.
Greenhouse gases trap infrared radiation emitted by Earth's surface, preventing heat from escaping and leading to an increase in global temperatures.
The three types of heat transfer are conduction (direct contact), convection (fluid movement), and radiation (electromagnetic waves).
Kinetic energy is the energy of motion (e.g., a moving car), while potential energy is stored energy (e.g., a stretched rubber band).