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Copy of Unit 10: Modern Physics
Transcript of Copy of Unit 10: Modern Physics
Atomic Spectra & Quantum
Nature of Light
Click through the pages of this prezi for an overview of each lesson. Then decide if you want to take the traditional Unit 10 Test (with unlimited retakes) or if you want to complete the "Output" Assignment at the end for your "Test" grade.
Notice the list of Concept Questions provided for each lesson.
These are the same questions you will see on the quizzes!
Each quiz will be multiple choice.
Instead of a traditional test for Unit 10, you have the option of
completing this exploratory project
for your unit
This is the Output Assignment.
The Output Assessment is
worth 50 points (just like the test)!
SP6. The student will describe the corrections to Newtonian physics given by quantum mechanics and relativity when matter is very small, moving fast compared to the speed of light, or very large
a.Explain matter as a particle and as a wave.
b.Describe the Uncertainty Principle.
c.Explain the differences in time, space, and mass
measurements by two observers when one is in a frame of
reference moving at constant velocity parallel to one of the
coordinate axes of the other observer’s frame of reference if
the constant velocity is greater than one tenth the speed of
d. Describe the gravitational field surrounding a
large mass and its effect on a ray of light.
Structure of the Nucleus
Read 10.01 in the LMS. As you read, look for the answers to the following questions. They WILL be on the quiz!
1. What type(s) of spectra have dark lines?
2. Which of the following statements is true about the Bohr model of the atom? (On the quiz, you will have choices to pick from so make sure you know enough about the Bohr model to be able to select the true statement!)
3. What is a major difference between the quantum model of the atom and the Bohr model?
4. What accounts for absorption spectra of elements?
5. A cool gas cloud is situated between a bright star and the earth. What type of spectrum would you expect to observe through that gas cloud?
Read 10.02 in the LMS.
As you read, look for the answers to the
following questions. They WILL be on the quiz!
1. Which of the following properties of light can only be
explained by wave theory?
2. Why do photoelectrons all have the same energy
when illuminated with a given frequency of light?
3. Which of the following is not true regarding the
4. Which single experiment shows that light behaves
both as a wave and a particle?
5. What is the energy of a photon of red light
(wavelength = 730 nm) in joules?
(h = 6.63 × 10-34 J*s)
Read 10.03 in the LMS. As you read, look for the answers to the following questions. They WILL be on the quiz!
1. One twin sets off on a long space voyage traveling at 0.9 c, while the other stays on Earth. When she returns 60 years later, the traveling sister has hardly aged at all, while her twin has aged 60 years. What aspect of relativity is demonstrated in this situation?
2. Which postulate of relativity was supported by the experiments of Michelson and Morley?
3. Which consequence of special relativity is most associated with nuclear power?
4. What aspect of relativity was confirmed by Arthur Eddington's expedition?
5. How did Einstein explain gravity?
Read 10.04 in the LMS. As you read, look for the answers to the following questions. They WILL be on the quiz!
1. Which of the following particles was discovered by Ernest Rutherford?
2. Which of these forces holds together the nucleus?
3. What is the antimatter equivalent of the electron?
4. Which particle is made of two up quarks and one down quark?
5. What is characteristic of the strong nuclear force?
Read 10.05 in the LMS.
As you read, look for the answers to
the following questions. They WILL be on
1. What type of ionizing radiation is emitted by the
nuclear reaction shown?
2. Which of the following processes is used in currently available, non-CO2-emitting power plants on the earth?
3. Which of the following nuclear processes converts light elements into heavier ones?
4. If you have 10.0 g of a substance that decays with a half-
life of 14 days, then how much will you have after 42 days?
5. You place a sheet of paper between you and a
radioactive source, and all of the ionizing radiation
gets blocked by the paper. What type of radiation
is the source emitting?
Pick one of the Standards from the previous slide as the basis of your project. Then pick one of the project options below. Submit to dropbox when complete. Note: This assignment is about Physics, but is also about creativity. If you have an idea for your project, let me know and we will discuss your options!
Poster displaying various aspects and facts related to the chosen GPS standard.
Brochure organizing and conveying various aspects and facts related to the chosen GPS standard.
Comic strip explaining various aspects and facts related to the chosen GPS standard.
Other (see Mrs. Reynolds for approval).