Besides protons, what other particles make up an atom? Write 2 – 3 sentences identifying the attractive forces that act between a proton and each of these other particles.

In this test, you will apply what you have learned in the semester. Answer the questions below. Show all your work on the test and submit it to your teacher when you are done.

Question 1: Atoms (8 points)

a. Besides protons, what other particles make up an atom? Write 2 – 3 sentences identifying the attractive forces that act between a proton and each of these other particles. (4 points)

b. Using a periodic table, identify the element whose atoms have 11 protons. Is it a metal, a nonmetal, or a metalloid? Write 1 – 2 sentences describing how an atom of this element changes when it forms an ionic bond. (4 points)

Question 2: Fluids (6 points)

A robotic submersible is being brought back on board a ship. What happens to the buoyant force as the submersible is lifted out of the water? Write 2 – 3 sentences explaining your reasoning. (6 points)

Question 3: Heat (12 points)

a. If 0.45 kg of iron at 140°C is added to 1.5 kg of water at 22°C, what will be the final temperature of the system? (4 points)

b. By touching the side of a beaker, a student concludes that an exothermic change is taking place inside it. Write 2 – 3 sentences explaining how the student came to that conclusion and comparing the energy of the products of an exothermic reaction with the energy of the reactants. (4 points)

c. As a substance condenses, its temperature does not change. How does the potential energy of the molecules of the substance change as a result of the heat released? What type of energy must decrease in order for the temperature to decrease? (4 points)

Question 4: Light and Quantization (10 points)

a. Violet light has higher energy than yellow light. Write 3 – 4 sentences comparing these electromagnetic waves with respect to the following properties: wavelength, frequency, and speed. (4 points)

b. When a certain amount of violet light and yellow light shine on a metal surface, only violet light produces an electric current. Write 3 – 4 sentences describing how an increase in the intensity of each type of light will affect the amount of current produced. How does quantization help to explain these observations? (6 points)

Question 5: Electricity and Magnetism (18 points)

a. Draw the magnetic field lines between the two ends of the magnets. Write 2 – 3 sentences describing the direction of the magnetic force between the magnets and identifying the two electric point charges that have an electric field between them that resembles this magnetic field. (6 points)

b. Calculate the total resistance of the circuit below. (4 points)

c. In the circuit diagram above, meters 1 and 2 are connected as shown. Write 2 – 3 sentences identifying each type of meter and how it is connected with the 8 Ω resistor. (4 points)

d. In the circuit diagram above, predict which resistors will stop working (if any) when the switch is opened. Write 2 – 3 sentences explaining your reasoning. (4 points)

Question 6: Optics (18 points)

a. A light wave moves through glass (n = 1.5) at an angle of 15°. What angle will it have when it moves from the glass into air (n = 1)? (4 points)

b. Draw a ray diagram to locate the image of the arrow, as refracted through the lens shown. Write 2 – 3 sentences describing the type of image and its size relative to the object. What type of mirror could be used to form an image of the same type and size? (8 points)

c. An object is located 70 cm from a concave mirror with a focal length of 15 cm. What is the image distance? Is the image real or virtual? (6 points)

Question 7: Nuclear Changes (20 points)

a. Write the symbol for the nucleus that completes the following nuclear equation:

(3 points)

b. Write the symbol for the nucleus that completes the following nuclear equation:

(3 points)

c. If the half-life of iodine-131 is 8 days, how old is a sample if only ¼ of the original amount remains? Write 2 – 3 sentences explaining your reasoning. (6 points)

d. What type of nuclear reaction is shown in the diagram below? Write 2 – 3 sentences describing what happens in this reaction, where it happens, and how the energy released can be harnessed for use in homes. (8 points)

Question 8: Cosmology (8 points)

a. Write 3 – 4 sentences describing how the universe began and how its size is currently changing, according to the big bang theory. According to the flat model, what will eventually happen to the universe? (4 points)

b. What is cosmic background radiation? What conclusion do scientists draw about the universe, based on their observations of cosmic background radiation? Write 2 – 3 sentences to present your response. (4 points)

 

Copyright © 2019 Apex Learning Inc. Use of this material is subject to Apex Learning’s Terms of Use. Any unauthorized copying, reuse, or redistribution is prohibited. Apex Learning ® and the Apex Learning Logo are registered trademarks of Apex Learning Inc.
12.1.3 Final Exam: Semester 2

Elitewriterhelp.com is an online academic writing platform that provides essay and assignment solutions to students from all nations around the world. Based in the United States, Elitewriterhelp.com assists students from over 100 countries with their assignments and essays.

The countries that Elitewriterhelp serves are Australia, Canada, New Zealand, United Kingdom (UK), United States (USA), Ireland, South Africa, Austria, Belgium, Bulgaria, Denmark, Finland, France, Germany, Greece, Hungary, Iceland India Italy Japan Liechtenstein Malta Netherlands Norway Poland Portugal Romania Slovakia Slovenia Spain Sweden Switzerland Turkey Ukraine Uzbekistan Vietnam.

Elitewriterhelp specialists offer custom-written papers covering various topics on different academic levels, such as High School/College/ University/Master/ Ph.D., depending upon the requirements of the customer’s individual assignment or project type. Through our services, you can get help in any subject from math problem-solving to proofreading and editing essays for spelling errors or simply helping with English class assignments for those non-native English speakers out there who need some extra help translating their papers into perfect English!

Whether it be research papers or just essay writing for an exam preparation course – we have you covered! We also specialize in providing customized thesis and dissertation writing services which include literature review analysis & composing high-quality content within your given timeline so you do not miss any important deadlines set by your professor or instructor! Our experts guarantee top-quality papers no matter what type of academic level they may be written at; whether it’s a college freshman student looking to pass his first history class or a graduate school student trying to finish her Ph.D. dissertation – EliteWriterHelp has got them covered!

In addition to this plethora of services offered through our website, we also provide professional consultation on various topics including personal branding advice; career development guidance; resume/CV design assistance; cover letter draft-building tips; informative speech guidance; data visualization techniques coaching & more! So whatever educational challenge lies ahead – EliteWriterHelp is here to provide appropriate solutions tailored exactly according to each customer’s individual needs and preferences!

Elite Writer Help
Calculate your paper price
Pages (550 words)
Approximate price: -

Why Work with Us

Top Quality and Well-Researched Papers

We always make sure that writers follow all your instructions precisely. You can choose your academic level: high school, college/university or professional, and we will assign a writer who has a respective degree.

Professional and Experienced Academic Writers

We have a team of professional writers with experience in academic and business writing. Many are native speakers and able to perform any task for which you need help.

Free Unlimited Revisions

If you think we missed something, send your order for a free revision. You have 10 days to submit the order for review after you have received the final document. You can do this yourself after logging into your personal account or by contacting our support.

Prompt Delivery and 100% Money-Back-Guarantee

All papers are always delivered on time. In case we need more time to master your paper, we may contact you regarding the deadline extension. In case you cannot provide us with more time, a 100% refund is guaranteed.

Original & Confidential

We use several writing tools checks to ensure that all documents you receive are free from plagiarism. Our editors carefully review all quotations in the text. We also promise maximum confidentiality in all of our services.

24/7 Customer Support

Our support agents are available 24 hours a day 7 days a week and committed to providing you with the best customer experience. Get in touch whenever you need any assistance.

Try it now!

Calculate the price of your order

Total price:
$0.00

How it works?

Follow these simple steps to get your paper done

Place your order

Fill in the order form and provide all details of your assignment.

Proceed with the payment

Choose the payment system that suits you most.

Receive the final file

Once your paper is ready, we will email it to you.

Our Services

No need to work on your paper at night. Sleep tight, we will cover your back. We offer all kinds of writing services.

Essays

Essay Writing Service

No matter what kind of academic paper you need and how urgent you need it, you are welcome to choose your academic level and the type of your paper at an affordable price. We take care of all your paper needs and give a 24/7 customer care support system.

Admissions

Admission Essays & Business Writing Help

An admission essay is an essay or other written statement by a candidate, often a potential student enrolling in a college, university, or graduate school. You can be rest assurred that through our service we will write the best admission essay for you.

Reviews

Editing Support

Our academic writers and editors make the necessary changes to your paper so that it is polished. We also format your document by correctly quoting the sources and creating reference lists in the formats APA, Harvard, MLA, Chicago / Turabian.

Reviews

Revision Support

If you think your paper could be improved, you can request a review. In this case, your paper will be checked by the writer or assigned to an editor. You can use this option as many times as you see fit. This is free because we want you to be completely satisfied with the service offered.