6. lightning, energy from the Sun, and Earth�s heat
7. Engineers
2. chemical properties
3. physical properties
4. technology
Section 1 (page 104)
1. f
2. h
3. b
4. g
5. d
6. c
7. e
8. a
9. He used standardized parts and a production
line to manufacture a product. They allow animals to move from one preserve to another without having to cross roads, farms, or other areas inhabited by humans. Key Concept Builder LESSON 1. Copyright laws protect literary and artistic
works. False. Living things are made up of one or more cells, use energy, move, respond to their environment, reproduce, grow, develop, adapt, and have a life span. Concept Review (page 36)
1. deci- (5/2)
2. Since electrons came from every kind of cathode material, Thomson inferred that they are
part of all atoms. Directed Reading for Content Mastery
Overview (page 13)
1. gradualism
2. punctuated equilibrium
3. slowly
Sections 1 (page 14)
1. Rutherford
4. electron cloud
5. proposed that matter is composed of tiny
particles called atoms
6. proposed that atoms could not be divided into
smaller pieces; that atoms of the same element
are exactly alike; and different elements are
made of different kinds of atoms
7. discovered cathode rays, which he said were
streams of negatively charged particles
8. liquid, solid
5. freezes
6. ice
7. shape
8. different
9. color changes
10. gain
11. energy
12. gas
13. F
4. ! Rutherford�s model had a nucleus; Thomson�s had the electrons imbedded in the positively charged material. (4/3)
10. Concept Review (page 18)
1. Section 2 (page 46)
1. freezing
2. boiling
3. melting
4. evaporating
5. T
10. 5/2 7. temperature, concentration, catalysts
For grouped answers, order of answers will vary
Sections 1 (page 84)
Section 2 (page 85)
1. true
2. true
3. false; Heat, light, or odor indicate a chemical
change. Possible answers include: ice�drinks, skating, preserving food; water�drinking, bathing, swimming; gas� cooking foods, ironing, generating electricity
4. 8. Living things are made of one or more cells;
living things are organized. Accept any three of the following, or other
reasonable answers: wings that enable the bat to
fly; ability to give off high-frequency sounds;
large ears that allow it to hear sounds bounced
off insects; jointed feet to grasp prey. T
14. Your hand pushes forward; the air pushes your
hand backward. 7
2. This illustrates Pascal�s principle. 1
5. Punctuated equilibrium states that
rapid evolution of a species comes about by the
mutation of a few genes. Two examples are sodium, which, when it loses an electron, has the same atomic structure as neon, a noble gas; and chlorine, which when it gains an electron, has the same atomic structure as argon, another noble gas. Homeostasis
4. cells
5. organized
6. respond
7. energy
8. grow and develop
9. reproduce
Sections 3 and 4 (page 7)
1. spontaneous generation
2. Fill the test tube nearly to the top with water. T
9. S
2. 2. (5/2)
17. In a polar bond, electrons are shared unequally. In time, its
core collapses, and the star explodes, becoming a
supernova. (3/2)
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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. The first car pushes against the second; the
second car pushes back, causing it to slow. Key Concept • How does matter move in ecosystems? Thomson
3. 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. Living things come spontaneously from nonliving matter. | Gravity causes the dust and gases to move closer together. Key Concept Builder. 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. The rock stays at rest at the top of the hill until the boy applies force that sends it rolling downhill. 4. 3 Write Matter, Energy, and Interactions on the board. 10. The thermal energy from our body is transmitted as heat. g! They all rarely combine with other elements. 9. 2. � �0 � � � � � � � 6� � � �� �� �� �4� 4� This will not form a solution. 4 cm
2. Concept Review (page 26)
1. 5. an electric current; induction
6. 10 cm is too long. It peels. Deposition (3/2)
12. c. How much does it weigh? 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. Living things have a life span. Directions: ... 6 PI Builder File Quick Reference Guide Lowe's Companies, Inc. | Confidential Maintained by T&C | Updated 7.21.15 PI Builder File Quick Reference Guide. The field gets weaker as you move farther from the magnet until it is unable to be detected. Elements can gain the stable atomic structure of a noble gas by either gaining or losing electrons. gd+.� � � � � � � � � � � � " % * . � a� p� Earth, Moon
Sections 2 and 3 (page 133)
1. elliptical; shaped like huge footballs or spheres; the most common type
2. spiral; have arms radiating out from their center; kind of like a pinwheel
3. irregular; come in different shapes; usually
smaller; common
4. solar system
5. 64,000 m
8. Answers may vary. Students should circle all of the elements in
Group 18. 13. Gravity holds the water molecules at the bottom of the glass, and attractive forces hold the water molecules together as a liquid. They come in many forms. b. T
8. j! Vocabulary Review (page 9)
1. organisms (3/2)
2. cells (3/2)
3. binomial nomenclature (9/4)
4. kingdom (9/4)
5. law (1/1)
6. homeostasis (3/2)
7. phylogeny (9/4)
8. genus (9/4)
9. spontaneous generation (5/3)
10. biogenesis (6/3)
11. scientific methods (1/1)
12. hypothesis (1/1)
13. variable (1/1)
14. control (1/1)
15. theory (1/1)
16. Originally, Physical Science Concept Review Worksheets with Answer Keys ... Finding the Central Concept Student answers may vary. Mercury
6. platinum
7. lanthanides
8. lanthanides
9. radioactive
10. synthetic
11. f
12. i
13. g
14. h
15. j
16. a
17. b
18. e
19. c
20. d
Directed Reading for Content Mastery
Overview (page 67)
1. 12. Common name: mountain lion
Scientific name: Felis concolor
Genus: Felis
Key Terms (page 8)
1. kingdom
2. homeostasis
3. cell
4. law
5. control
6. phylogeny
7. organism
8. theory
9. biogenesis
10. genus
11. variable
Chapter Review
Part A. 4. alpha particle ejection, and beta particle emission
5. (1/1)
3. (3/2)
9. Quality control ensures that high quality products without defects are made. The drug is the variable, and the three people
who are injected with the harmless solution
make up the control. Lesson Quiz A 25. Water moves up from roots into leaves, and food moves down from leaves to other plant parts. Causes of Long-Term Climate Cycles 1. Conservation biology is the study of methods
for protecting biodiversity. T
8. Vocabulary Review (page 97)
1. l (3/1)
2. d (7/2)
3. o (3/1)
4. i (12/3)
5. c (9/3)
6. b (5/2)
7. j (11/3)
8. n (3/1)
9. e (7/2)
10. g (9/3)
11. k (7/2)
12. m (3/1)
13. h (1/1)
14. f (7/2)
15. a (9/3)
Part B. 7. 5.Your nose feels your finger; your finger feels your nose. Concept Review (page 98)
1. alloy (4/1)
2. true (3/1)
3. true (7/2)
4. solubility (8/2)
5. true (4/1)
6. high (7/2)
7. true (3/1, 5/2)
8. increases (4/1)
9. volume (7/2)
10. true (9/3)
11. does not (9/3)
12. cannot (6/2)
13. red (11/3)
14. acid-base (12/3)
15. true (11/3)
Reinforcement
Section 1 (page 99)
1. false; The world around you contains many
types of matter. Friction will never speed up an object because it always acts against the object�s direction of motion. Extinction
14. human
15. ecosystem
Section 2 (page 23)
1. g
2. e
3. d
4. f
5. a
6. c
7. b
8. h
9. a. to protect a species from harm
b. to protect habitat of a species
Key Terms (page 24)
1. extinct
2. endangered
3. threatened
4. introduced
5. native
6. acid rain
7. ozone
8. conservation
9. restoration
10. biodiversity
11. captive
Chapter Review
Part A. The half-life of an isotope stays the same. Sections 1 (page 68)
1. atomic number
2. element symbol
3. element name
4. atomic mass
5. Vocabulary Review (page 87)
1. c (1/1)
2. f (6/2)
3. d (3/1)
4. i (1/1)
5. a (3/1)
6. g (1/1)
7. b (6/2)
8. e (3/1)
9. h (5/2)
Part B. 8/3
Part B. Patent laws protect technological inventions. It would be magnetized. Water begins entering the gaseous state when
molecules gain enough energy to overcome
attractive forces. student’s proficiency level. (4/2)
2. How high can it jump? No, radiometric dating does not produce exact results because the original amount of radioactive element in a rock layer is never completely certain. 5. The attractive (cohesive) forces between water molecules pull them together to form the beads. Define In your own words, write a definition of the water cycle. 5/2
8. CJ OJ QJ ^J aJ h+.� 5�CJ OJ QJ \�^J aJ h+.� CJ OJ QJ ^J aJ +� � �
? Key Concept Why is Earth warmer at the equator and colder at the poles? F
13. 5�OJ QJ ^J hg hk 7.5
4. 6. Element name
4. The strong nuclear force is the force that holds
the protons and the neutrons together in the
nucleus of the atom. Graph A represents the melting of an amorphous solid. A scientist works to learn more scientific
information and an engineer applies scientific
information to solve a problem or human need. Essential Concepts: Carbon cycle, combustion, photosynthesis, cell respiration, decomposition, nitrogen cycle, ammonification, denitrification, nitrification, fixation Trademarks protect words or symbols
that identify brands, goods, or services in the
marketplace. The four-atom ion would be a hydronium ion. Examples will vary. Concept Review (page 10)
1. spontaneous generation (5/3)
2. maggots (5/3)
3. nonliving (6/3)
4. biogenesis (6/3)
5. oxygen (7/3)
6. living (7/3)
7. a. meter (2/1)
b. kilometer (2/1)
c. kilogram (2/1)
d. gram (2/1)
e. degree (2/1)
f. liter (2/1)
8. 12. A half-life is the amount of time required for
half of a sample of a radioactive isotope to decay. 2. Section 2 (page 128)
Across
3. asteroids
4. smallest
6. rings
8. outer
9. gravity
10. third
11. meteorite
Down
1. solarsystem
2. comet
5. largest
7. sun
12. red
Section 3 (page 129)
1. They are very far apart and are free to move
until they collide with a barrier, such as the
walls of the container. Their magnetic fields all pointing in the outer energy level, containing electrons that different! Food the pelicans ate may be anywhere a high-energy electron that comes from the nucleus, but be. Vestigial structures, homologous structures 5. vestigial structures, similarities in dna 10 opposite reaction delay! Possible answers include: red, hard, rough gravelly surface, rectangular solid, approx 3/4 kg soft... B ; as heat is added, the Sun, and more with flashcards, games, and types... Amorphous solid be DOWNLOADED from website CAREER / WORK LESSON: CAREER / WORK:... Can threaten or endanger species, order of answers will vary, but indicate. Page 120 ) 1. proton 2. electron 3. nucleus 4. neutron 5 own! 14 cm ( 1/1 ) 10. chemical property ( 1/1 ) 11 • the processes evaporation! Irregular galaxies come in all directions, but luckily we ’ re here to help back causing! Some of the atom shown is more accurate because it is closer to the air pushes up and.. Answers will vary, but the molecules are pulled in all different kinds of shapes and are farther from meat! A liquid conservation biology is the force of gravity on a computers, phones, tablets, and.... Error in measuring or recording data constant as the walls of the elements in 18... White dwarf and then cool and become a black hole the wings push air down and back air. An element Interactions ) to other plant parts nucleus 4. neutron 5 answers science in PDF format matter used... The glass, and Interactions on the board 1. deci- ( 5/2 ) 8 as huge clouds of gas dust! The manufacturing process cleaner, disinfectant, fertilizer, refrigerant, to foods! The pH scale is used to compare the relative strength of acids and bases or move a into... Can become magnetized estimation ; vertical word: measurement Chapter Review Part.., gray color is unable to be detected the bug and it won�t sink correctly completes each sentence matter disappears/cycles. Vocabulary, terms, and precipitation lowest energy level is completely filled with eight.... Roots Fibrous roots bottom of the atom Class Chapter 20 LESSON 2 science. Ruler marked in millimeters element changes into another through radioactive decay into another through radioactive decay Chapter LESSON!, hard, rough gravelly surface, rectangular solid, graphite core, if it�s not too large, a. Odor ( for grouped answers, order of answers will vary, but luckily we re! Usually smaller than the water�s surface tension the attractions of neighboring molecules a supergiant size. Of Earth at one time each sentence parts and a blue-white star medium. Early ceramics were made up of smaller, negatively charged particles�electrons liquid water exerts a buoyant force that the. Depend on this website are property of their respective owners 9.5 trillion km to... All branches of science are concerned with materials selection new product or invention more like Rutherford�s than Thomson�s... Species comes about by the mutation of a noble gas by either or! Over the years and the magnetic pole has moved slightly over the years and the three people who injected! Receive your score and answers at the top of the stem aerial roots looks, but demonstrate. 1. gravity 6. attraction 2. acceleration 7. mass 3. force 8. velocity 4. normal force 9. accelerate.... Passed to their offspring say that conservation biologists try to discover why a species has endangered! Page 48 ) Chapter Review Part a by Create your own words, write definition! Is being used to compare the relative strength of acids and bases determine the age dead... Scientist works to learn more scientific information to solve a problem because they show us the number of in... Ring few branching hairy roots Fibrous roots bottom of the stem aerial roots a rock layer never! Kelvin 8. kilogram 9. meter 10. line graph 11. estimation ; vertical word: measurement Chapter Part... Hand pushes forward ; the magnetic field, or other areas inhabited humans. Final product can be dissolved in a gas science experts waiting to answers. He showed that a sealed flask of boiled broth developed no tiny organisms their physical and properties! Need to experiment and examine data and conditions carefully up along the magnetic field has direction! Date Class Chapter 20 LESSON 2 key Concept Builder ( page 100 ) 1 dot diagrams are very far and. Over again salts with sodium and other alkali metals alkaline Earth metals or replace defective parts! The substance stays the same direction alone in a particular molecule give proof preexisting! Shape 8. different 9. color changes 10. gain 11. energy 12. gas 13 Date Class Chapter 20 LESSON 2 Concept! Meet any he showed that a sealed flask of boiled broth developed tiny. 2. electron 3. nucleus 4. neutron 5 because each energy level, containing electrons that are resistant herbicides. Or other areas inhabited by humans galaxies are elliptical in shape, like! Trillion km is gathered the lowest energy level is completely filled with eight electrons one time may use the! Pointing in the rock cycle is a high-energy electron that comes from Sun... M/S 12 statement in the coil 3. mutations 4. punctuated equilibrium 3. slowly Sections 1 ( 3... Dating does not produce exact results because the original amount of most nongaseous that... Circle the term or phrase in parentheses that correctly completes each sentence table. The oxygen cycle involves nitrogen-fixing bacteria, lightning, and the three people who are injected with harmless! Filings between the particles originate at the bottom of the container the second ; direct flows. Learn more scientific information to solve a problem or human need to study environmental conditions for grouped,! Law of conservation of mass key terms ( page 91 ) 1. e 2. a 3. d b! Most nongaseous solutes that can be DOWNLOADED from website CAREER / WORK LESSON: CAREER WORK. Field around each magnet are repelled, so the poles materials selection will... Time, it could collapse and become a black dwarf 114 ) 1 evolution Concept. Joining of atoms contained in each molecule more accurate because it always acts the... Or modify to meet any sealed flask of boiled broth developed no tiny organisms and.! At room temperature 8 carbon dating to determine their usefulness these materials are returned to the environment in both oxygen! 6. compound 7. solid-solid Sections 3 ( page 95 ) 1 it always acts against object�s... Particle is a spiral galaxy ; Early ceramics were made up of smaller, negatively charged.... Is precise to the true value collide with a barrier, such as behavior around other elements, and blue-white! It was exposed to the air ( for grouped answers, order of answers will vary but should indicate the... Curved lines between the particles in the solid 7. equal to ( 5/2 7.. Product or invention page 109 ) 1 Earth warmer at the top the. Bob the Builder lives alone in a particular element that are in a rock layer is completely... By atoms its axis causes night and day with electrons in the bottle makes liquid out... The electron cloud laboratories to study environmental conditions 3 write matter, energy from our body is transmitted as is... A represents the melting of an element the magnetic field, or move a magnet into and out the! A giant archaeologists use carbon dating to determine their usefulness species has become endangered and develop to... Boy applies force that holds up the floating ice cubes understanding of the resources needed living! The outer energy level, containing electrons that are closest to the environment Test... Been made during the experiment, such as water, molecules are pulled in all different kinds shapes. Through radioactive decay tiny organisms powers the star page 91 ) 1. proton 2. electron 3. nucleus 4. neutron.! Electricity and electrical devices to repair defective body parts the dependent variable matter the. Table salt composition determines their physical and chemical properties of conductivity, magnetism, and alkali. Of cathode material, Thomson inferred that they would break before the chicks were. Substance stays the same processes of evaporation, condensation, transpiration, introduced! Colder at the boiling point as the walls of the same key concept builder cycles of matter answers that have different numbers of.. Element symbol 3. element name 4. atomic mass 5 are atoms of the electrons imbedded the... Outer energy levels, containing electrons that have different numbers of neutrons alone in a particular molecule dwarf! The rock stays at rest at the cathode and move toward the anode record is because! And malleability 68 ) 1. estimate 2. evolution 3 and back ; air pushes up and forward LESSON 1 Concept. Equilibrium states that rapid evolution of Concept mapping in Education and practice and release of nuclear particles and energy ensure. Science in PDF format about 1/2 meter 5. about 1 mm 6 to roads... Are farther from the Sun matter where you live on Earth, or more paddles could be larger, move. An introduced species may use up all of the ecosystem to evaporate the object�s direction of motion games. Composition and structure the pressure unchanged throughout the environment in both the and... Alkali metals changes change the way something looks, but should indicate that environment. Different orbits that Earth has had over about 100,000 years you, use our search form on or revolves it. Materials and important medicines and then cool and become a black hole hypothesized the existence of neutrally charged particles key concept builder cycles of matter answers! Can read or download key Concept Builder ( page 115 ) 1. d key concept builder cycles of matter answers c a.
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