They are very far apart and are free to move until they collide with a barrier, such as the walls of the container. 9. embryology, vestigial structures, homologous structures, similarities in DNA 10. 64,000 m 8. Form a hypothesis. Accept any two of the following or other reasonable answers: dark upper surface makes it inconspicuous to flying predators; light belly makes it less conspicuous to predators looking up from below; fins enable fish to swim away; mouth has teeth for defense. T 10. This illustrates Pascal�s principle. This angle has a measure of 80 degrees because it was created by joining a 30-degree angle and a 50-degree angle without any space between them and without overlapping them. Chemical properties, such as behavior around other elements, and physical properties, such as hardness, depend on this atomic structure. 72� (7/3) Reinforcement Section 1 (page 37) 1. d 2. b 3. f 4. c 5. e 6. h 7. a 8. g 9. j 10. i 11. k 12. l 13. c 14. b 15. d Section 2 (page 38) 1. appearance 2. state 3�4. Within a volume of water, molecules are pulled in all directions, but the molecules are only pulled inward at the surface. (120 km/h) (1,000 m/1 km) (1 h/60 min) (1 min/60 s) = 33.3 m/s 12. Vocabulary Review (page 135) 1. eclipse (3/1) 2. solar system (4/2) 3. rotation (1/1) 4. revolution (1/1) 5. constellation (7/3) 6. galaxy (8/3) Part B. 3. The Milky Way, the galaxy we live in, is a spiral galaxy. Vocabulary Review (page 25) 1. threatened (3/1) 2. biodiversity (2/1) 3. captive population (2/2) 4. extinct (3/1) 5. conservation biology (4/2) 6. acid rain (3/1) 7. endangered (3/1) 8. reintroduction (6/2) 9. ozone depletion (3/1) 10. introduced (5/2) 11. native (2/1) 12. restoration (5/2) 13. extinct (3/2) 14. endangered (3/2) 15. threatened (3/2) Part B. 2. 9. T 15. 5. false; Alloys have the properties of metals. Atomic number 2. Students should underline oxygen, sulfur, selenium, tellurium, polonium, and ununhexium. � 1 atom potassium; 1 atom iodine 17. 6. B (2/1) 2. 7. Try refreshing the page, or contact customer support. Plus, get practice tests, quizzes, and … (7/3) Reinforcement Section 1 (page 55) 1. N 3. 6/3 12. Google has many special features to help you find exactly what you're looking for. : > A B C U W Z f i t w � � � � � � � � � � � � � � � � �������������������������ܡ����������������ܡ{�� )j% h+.� h+.� CJ OJ QJ U^J aJ hg h+.� CJ OJ QJ ^J aJ &hg hk Except for hydrogen, Groups 1 and 2 are solid metals. In an electric motor, the field of a permanent magnet moves a current-carrying wire.When the current is reversed (as in alternating current), the wire spins. The two atoms would form an ionic bond, creating the compound sodium chloride� ordinary table salt. In the interior of angle AOC is point B. 1,000 5. 7. It will not dissolve. The atom shown is more like Rutherford�s than like Thomson�s. 50% (7/3) 9. a. gram (5/2) b. cubic meter (5/2) c. kilometer (5/2) d. Kelvin (5/2) e. micrometer (5/2) f. milliliters/second (5/2) 10. a. drawing (6/3) b. photograph (6/3) c. movie (6/3) 11. �! " We can illustrate this idea by using the heads of two arrows. Answers will vary. A half-life is the amount of time required for half of a sample of a radioactive isotope to decay. 6. phosphorus or P 7. halogen family 8. beryllium, magnesium, strontium, barium, radon Section 2 (page 77) Key Terms (page 78) 1. ionic bond 2. ion 3. chemical bond 4. compound 5. covalent bond 6. molecule 7. formula 8. electron dot diagram 9. polar bond 10. polar molecule 11. electron cloud 12. metallic bond Chapter Review Part A. Examples will vary. Conservation biology is the study of methods for protecting biodiversity. Rutherford�s model had a nucleus; Thomson�s had the electrons imbedded in the positively charged material. liquid, solid 5. freezes 6. ice 7. shape 8. different 9. color changes 10. gain 11. energy 12. gas 13. Directed Reading for Content Mastery Overview (page 121) 1. electric current 2. magnetic field 3. iron bar 4. electromagnet 5. electrons 6. field 7. compass needle Section 1 (page 122) 1. 12. A red star is cool, a yellow star is medium in temperature, and a blue-white star is hot. (5/2) 13. Hg (3/1) 8. neon (4/2) 9. actinides (8/3) 10. Irregular galaxies come in all different kinds of shapes and are usually smaller than the other galaxies. Possible answers include: white with blue lines, flat, thin, 1�2 g, flammable, solid 11. Place each section’s Foldable in the correct pocket. 9.8 cm Section 2 (page 28) 1. gram or kilogram, pan balance 2. degrees Celsius or Kelvins, thermometer 3. cubic centimeter or cubic meter, ruler or meterstick 4. meter, meterstick 5. milliliter, graduated cylinder 6. second, stopwatch 7. {{courseNav.course.topics.length}} chapters | Living things take in and use energy. t� gdF� gd=n gd1t 7$ 8$ H$ gd1t � � � � � � � � � ) * 2 D L _ g y � � � � � � � � � � � � � � � � � � " - 0 ������ź�������������������������z�q������� h1t 5�CJ aJ hg h1t 5�CJ aJ h5 CJ OJ QJ ^J aJ hg hF� 5�CJ aJ hg h As the liquid boils, it changes into a gas. Explore live and on-demand online learning for AP teachers for the 2020-21 school year. first two years of college and save thousands off your degree. Some galaxies are elliptical in shape, like a football. 3. Directed Reading for Content Mastery Overview (page 39) 1�3. 8�12 5. The rotation of Earth on its axis causes night and day. (3/1) 15. Accuracy (3/1) 5. Ceramics and polymers vary widely in their chemical composition. They became part of what is often called the �primordial soup� and could have combined to form the more complex compounds found in living things. Section 2 (page 12) 1. estimate 2. evolution 3. 11. neutralization Directed Reading for Content Mastery Overview (page 93) 1. heterogeneous 2. homogeneous 3. molecular level 4. solute 5. solvent 6. substance that dissolves 7. solution 8. solute 9. solvent Section 1 and 2 (page 94) 1. 5�CJ OJ QJ ^J aJ 0� � � � � � ' 2 @ M [ \ k � � � � � � 4 H f { � � � � � � � � � � � � � � � � � � � � � � � � � � � � � gd+.� 7$ 8$ H$ gd+.� gdk � � � � � � � � � ' * 2 5 @ C M Q [ \ j k � � � � � � � � � � � � � � � 4 7 H L f j {  ���������������������´��������������������������� #hg hF� 5�CJ OJ QJ ^J aJ h+.� 5�CJ OJ QJ ^J aJ #hg h�K� 5�CJ OJ QJ ^J aJ hg hk Earth is in the Milky Way galaxy. 10 cm 10. They allow animals to move from one preserve to another without having to cross roads, farms, or other areas inhabited by humans. imaginable degree, area of Section 4 (page 4) 1. 2. An alpha particle consists of two protons and two neutrons. 4. As a member, you'll also get unlimited access to over 83,000 lessons in math, English, science, history, and more. ; X � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � gd�*� gd1t 7$ 8$ H$ gd1t � Anyone can earn Element name 4. A medium-sized star that begins to use up the gases in its core gets bigger and becomes a giant. Services. Living things use energy. c. How fast is lava flowing out? These isotopes should have short half-lives to avoid damage from radiation. Humans affect habitats by replacing a forest or meadow with pavement, lawns, buildings, and other development; by dividing a habitat; by introducing species; and by pollution. The new moon and half moon are two of the moon phases. Gather information. 10. (3/2) Reinforcement Section 1 (page 81) 1. the formation of new substances that have properties different from those of the original substance 2. changes in its physical properties, such as its size and shape or its state (solid, liquid, or gas) 3. reactants; products 4. reactants; products; produces 5. a. The main idea behind the Angle Addition Postulate is that if you place two angles side by side, then the measure of the resulting angle will be equal to the sum of the two original angle measures. Nuclear waste products are a problem because they continue to produce harmful radiation for long periods of time. Milky Way 8. spiral 9. astronomical units Key Terms (page 134) 1. rotation 2. revolution 3. eclipse 4. astronomical unit 5. solar system 6. constellations 7. light-year 8. orbit 9. supernova 10. comet 11. meteorites Chapter Review Part A. Concept Review (page 135) 1. 3. North and south (or south and north); the filings between the poles of the two magnets are attracted, so the poles must be unlike poles. 's' : ''}}. For simplicity, we will call the point at the tips just L. Looking at the outside edges of the two arrowheads, there is a new angle that has been created: angle RLU. The pH scale is used to compare the relative strength of acids and bases. (7/3) 5. Different organisms may go by the same common name in different places. Quiz & Worksheet - Angle Addition Postulate, Over 83,000 lessons in all major subjects, {{courseNav.course.mDynamicIntFields.lessonCount}}, What Is Inductive Reasoning? � So, we can write the formula from the Angle Addition Postulate for these angles: Angle MEO measures 90 degrees because it is a right angle. Living things come only from living things. b. 1/1 9. The surface tension will support the bug and it won�t sink. S is in the interior of angle PQR, m angle PQS = 87 degree , and m angle SQR = 33 degree . H! (3/1) 6. � � � � � What is the name of the big angle? Since electrons came from every kind of cathode material, Thomson inferred that they are part of all atoms. Color (3/2) 13. gained or released (4/2) 14. gas or solid (3/2) 15. mass, law of conservation of mass (4/2) 16. physical (4/2) 17. physical (4/2) 18. chemical (4/2) 19. physical (4/2) 20. chemical (4/2) 21. physical (4/2) 22. chemical (4/2) 23. chemical (4/2) 24. We can write the formula from the Angle Addition Postulate for these angles and substitute in what we know about each angle's measure: Now, we solve the equation. 6. true 7. false; Chemical reactions occur faster if the reactant is smaller. t� CJ aJ &hg h6n| 5�CJ OJ QJ \�^J aJ hg h6n| CJ OJ QJ ^J aJ hg h6Y CJ OJ QJ ^J aJ F t � � 0 M N b n { � � � � � R � � = b u � � � � � � � � � � � � � � � � � � � � � � � � � � � � 7$ 8$ H$ gdk A stairway is a good model because each energy level can be represented as a step. Now, we are going to add these two angles together by rotating the arrows so that one side of angle BLU is against one side of angle RED and the points at the tips (points L and E) come together. Electron dot diagrams are very useful because they show us the number of electrons in the outer energy levels of an element. Transmutation Sections 1 (page 58) 1. proton 2. electron 3. nucleus 4. neutron 5. Answers may include: mass, weight, volume (1/1) 25. 4 a � � � 1 l � � � , U d e x � d � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � gd�*� gd1t 7$ 8$ H$ gd1t � � � � � � * D _ y � � � � � � � � � - E R ] � � � � � � � � � � � � � � � � � � � � � � � � � � gd A magnetic pole always attracts unlike poles. As a member, you'll also get unlimited access to over 83,000 lessons in math, English, science, history, and more. 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glencoe science level blue chapter 17 review answers 2021