QUIZ 1ST.docx
- 1. Republic of the Philippines Department of Education Region III - Central Luzon Schools Division of Tarlac Province Marawi National High School Camiling, Tarlac Marawi National High School Marawi, Camiling, Tarlac Contact No.: (045) 800-9003 Email Address: 300972.marawinhs@deped.gov.ph PHYSICAL SCIENCE QUIZ # 1 A. Identify what is being described in the following statements. Choose your answer in the box. Inflation binding energy CMBR Tritium H and He Be a. These are the two most abundant elements in the universe. b. This is a phenomenon termed for the movement of most spiral galaxies were away from Earth. c. This radiation was believed to be the remains of energy created after the big bang. d. This is the energy required to break down a nucleus into its components. e. This is a radioactive isotope of hydrogen with one proton and two neutrons. B. 1.Complete the table below. Write the number of protons and neutrons produced after the reaction. Reaction No. of protons No. of neutrons Rr Reactions n No. of protons n No. of neutrons 2 H + 2 H 2 H + 3 H 2 H + 3 He 3 4 He + 4 He 4 He + 3 H 2. Explain how H and He were formed during primordial nucleosynthesis. ( 5points) 3. Explain why a neutron is released during the fusion of two deuterium. ( 5points) .
- 2. Republic of the Philippines Department of Education Region III - Central Luzon Schools Division of Tarlac Province Marawi National High School Camiling, Tarlac Marawi National High School Marawi, Camiling, Tarlac Contact No.: (045) 800-9003 Email Address: 300972.marawinhs@deped.gov.ph PHYSICAL SCIENCE QUIZ # 2 A. Identify what is described by the following statements. 1. It is a philosophy which states that nature is composed of atom and void. 2. He was a Greek philosopher who disregarded Leucippus’ and Democritus’ ideas on the existence of atoms. 3. It is a Greek word which means indivisible. 4. Aside from atom, it is also one major component or principle of nature. 5. He proposed that everything in the universe is composed of four elements: earth, fire, water, and air. B. Write T if the statement is true. Otherwise, change the underlined word to make it true. 1. According to Leucippus and Democritus, atoms are homogeneous without internal structure. 2. Followers of Aristotle’s nature theory believed that ideas about the atoms equated to godlessness. 3. Democritus stated that believing in atoms would mean putting a restriction on the gods. 4. Atomism is a theory which states that nature has atoms and void. 5. Atoms are indestructible, penetrable , and unchangeable. 6. Changes in substances result when atoms collide with each other in the void. 7. The idea of atomism was set aside because of the ideas of Anaximenes . 8. Atomism was rediscovered in France at the start of Renaissance period . 9. Aristotle’s beliefs greatly flourished places where many alchemists were strongly influenced by his ideas. 10. Religious philosophers denied atomistic thinking and labeled it blasphemous as it does not support ex nihilo . C. Make a comparison between the following pairs of ideas. ( 5 POINTS EACH) 1. atoms vs the ancient elements 2. atomism and the concept of ex nihilo 3. the philosophies and life of Aristotle and Democritus D.Explain the following statements. ( 5 POINTS EACH) 4. The indestructible atomos will create a limitation for the gods. 5. The idea of the atom was revisited and was only accepted using the scientific method.
- 3. Republic of the Philippines Department of Education Region III - Central Luzon Schools Division of Tarlac Province Marawi National High School Camiling, Tarlac Marawi National High School Marawi, Camiling, Tarlac Contact No.: (045) 800-9003 Email Address: 300972.marawinhs@deped.gov.ph