PES Skill Sheets.book - Capital High School

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Name: Date: 16.3 Ohm’s Law A German physicist, Georg S. Ohm, developed this mathematical relationship, known as Ohm’s Law, which is present in most circuits. It states that if the voltage in a circuit increases, so does the current. If the resistance increases, the current decreases. To work through this skill sheet, you will need the symbols used to depict circuits in diagrams. The symbols that are most commonly used for circuit diagrams are provided to the right. If a circuit contains more than one battery, the total voltage is the sum of the individual voltages. A circuit containing two 6 V batteries has a total voltage of 12 V. [Note: The batteries must be connected positive to negative for the voltages to add.] • If a toaster produces 12 ohms of resistance in a 120-volt circuit, what is the amount of current in the circuit? Solution: The current in the toaster circuit is 10 amps. Voltage (volts) Current (amps) = Resistance (ohms, Ω) V 120 volts I = = = 10 amps R 12 ohms Note: If a problem asks you to calculate the voltage or resistance, you must rearrange the equation to solve for V or R. All three forms of the equation are listed below. V V I = V = IR R = R I Answer the following question using Ohm’s law. Don’t forget to show your work. 1. How much current is in a circuit that includes a 9-volt battery and a bulb with a resistance of 3 ohms? 2. How much current is in a circuit that includes a 9-volt battery and a bulb with a resistance of 12 ohms? 3. A circuit contains a 1.5 volt battery and a bulb with a resistance of 3 ohms. Calculate the current. 4. A circuit contains two 1.5 volt batteries and a bulb with a resistance of 3 ohms. Calculate the current. 5. What is the voltage of a circuit with 15 amps of current and toaster with 8 ohms of resistance? 6. A light bulb has a resistance of 4 ohms and a current of 2 A. What is the voltage across the bulb? 16.3
Page 2 of 2 7. How much voltage would be necessary to generate 10 amps of current in a circuit that has 5 ohms of resistance? 8. How many ohms of resistance must be present in a circuit that has 120 volts and a current of 10 amps? 9. An alarm clock draws 0.5 A of current when connected to a 120 volt circuit. Calculate its resistance. 10. A portable CD player uses two 1.5 V batteries. If the current in the CD player is 2 A, what is its resistance? 11. You have a large flashlight that takes 4 D-cell batteries. If the current in the flashlight is 2 amps, what is the resistance of the light bulb? (Hint: A D-cell battery has 1.5 volts.) 12. Use the diagram below to answer the following problems. a. What is the total voltage in each circuit? b. How much current would be measured in each circuit if the light bulb has a resistance of 6 ohms? c. How much current would be measured in each circuit if the light bulb has a resistance of 12 ohms? d. Is the bulb brighter in circuit A or circuit B? Why? 13. What happens to the current in a circuit if a 1.5-volt battery is removed and is replaced by a 9-volt battery? 14. In your own words, state the relationship between resistance and current in a circuit. 15. In your own words, state the relationship between voltage and current in a circuit. 16. What could you do to a closed circuit consisting of 2 batteries, 2 light bulbs, and a switch to increase the current? Explain your answer. 17. What could you do to a closed circuit consisting of 2 batteries, 2 light bulbs, and a switch to decrease the current? Explain your answer. 18. You have four 1.5 V batteries, a 1 Ω bulb, a 2 Ω bulb, and a 3 Ω bulb. Draw a circuit you could build to create each of the following currents. There may be more than one possible answer for each. a. 1 ampere b. 2 amperes c. 3 amperes d. 6 amperes 16.3
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Chapter and Section Chapter 1: Meas
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Chapter and Section Chapter 5: Forc
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Chapter and Section Chapter 9: Heat
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Chapter and Section Chapter 14: Cha
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Chapter and Section Chapter 18: Ear
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Chapter and Section Chapter 24: Wav
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Name: Date: 1.1 Lab Safety What can
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Page 3 of 6 Safety quiz 1. Draw a d
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Page 5 of 6 c. You suddenly you beg
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Name: Date: 1.1 Using Your Textbook
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Page 2 of 3 The following prefixes
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Name: Date: 1.1 Scientific Notation
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Page 3 of 3 3. Write the numbers in
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Page 2 of 4 Example 1: Measuring ob
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Page 4 of 4 4. . Prefix Symbol Mult
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Name: Date: 1.2 Reading Strategies
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Name: Date: 1.2 Stopwatch Math What
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Name: Date: 1.2 Understanding Light
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Name: Date: 1.2 Indirect Measuremen
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Name: Date: 1.3 Dimensional Analysi
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Name: Date: Skill Builder Fractions
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Page 3 of 4 Solving fraction proble
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Name: Date: 1.3 Significant Digits
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Page 3 of 4 Follow these steps for
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Name: Date: 1.3 Study Notes This sk
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Name: Date: 1.3 Science Vocabulary
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Page 3 of 3 Using the table of pref
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Page 2 of 2 5. Earth’s moon is co
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Page 2 of 3 When precise conversion
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Name: Date: 1.4 Creating Scatterplo
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Page 3 of 3 g. What is the position
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Page 2 of 2 1.4 1. Given the variab
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Page 2 of 3 Step 3: Look at the ran
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Name: Date: 1.4 Recognizing Pattern
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Page 3 of 3 Answer the following qu
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Page 2 of 2 4. Measurements: List a
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Page 2 of 2 2. Your teacher shows y
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Page 2 of 4 Recording valid observa
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Page 4 of 4 b. How did the student
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Page 2 of 3 Name: Lucy O. Date: Jan
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Name: Date: 2.2 Using Computer Spre
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Page 3 of 3 5. The following data i
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Page 2 of 2 2. John notices that hi
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Name: Date: 3.1 Latitude and Longit
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Page 3 of 4 Use an atlas or globe t
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Name: Date: 3.1 Map Scales Mapmaker
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Page 3 of 3 f. Point Q to Point M g
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Page 2 of 5 It’s time to go! 3.1
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Page 4 of 5 37. Now you will head t
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Name: Date: 4.1 Vectors on a Map Yo
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Page 2 of 3 1. Draw a profile map o
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Name: Date: 3.3 Bathymetric Maps Im
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Page 1 of 2 3.3 Tanya Atwater Tanya
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Name: Date: 4.1 Solving Equations w
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Page 3 of 4 Use the formula V = l
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Name: Date: 4.1 Problem Solving Box
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Page 2 of 3 In problems 6 and 7, yo
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Name: Date: 4.1 Percent Error When
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Page 3 of 3 1. The lab group conduc
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Page 2 of 3 1. A bicyclist travels
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Name: Date: 4.1 Velocity Speed and
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Name: Date: 4.2 Calculating Slope f
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Name: Date: 4.2 Analyzing Graphs of
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Page 3 of 4 1. For each position-ti
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Name: Date: 4.2 Analyzing Graphs of
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Name: Date: 4.3 Acceleration Accele
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Name: Date: 4.3 Acceleration and Sp
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Page 3 of 3 3. Graph 3: 4. Find acc
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Page 2 of 3 Example 1: How fast wil
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Name: Date: 5.1 Ratios and Proporti
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Name: Date: 5.1 Internet Research S
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Name: Date: 5.1 Preparing a Bibliog
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Name: Date: 5.1 Mass vs. Weight Wha
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Page 2 of 2 1. A physical science t
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Page 2 of 2 How much does it weigh
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Page 2 of 2 Answer the following pr
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Name: Date: 5.3 Equilibrium When al
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Name: Date: 6.1 Net Force and Newto
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Page 2 of 2 Reading reflection 1. I
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Name: Date: 6.3 Applying Newton’s
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Name: Date: 6.3 Momentum Conservati
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Name: Date: 6.3 Collisions and Cons
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Name: Date: 6.3 Rate of Change of M
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Page 3 of 3 6. A 50.-g (0.050-kg) e
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Page 2 of 2 1. A machine uses an in
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Page 2 of 2 Example 3: A 500-newton
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Page 2 of 2 7. You pull your sled t
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Page 2 of 2 The relationship betwee
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Page 2 of 2 6. Use the gear ratio f
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Page 2 of 2 The three classes of le
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Page 2 of 2 3. Now, calculate the g
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Page 2 of 2 To do this calculation,
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Name: Date: 7.2 Energy Transformati
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Name: Date: 7.2 Conservation of Ene
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Page 2 of 2 Reading reflection 1. W
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Name: Date: 7.3 Power In science, w
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Name: Date: 7.3 Power in Flowing En
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Name: Date: 7.3 Efficiency and Ener
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Page 2 of 2 Reading the temperature
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Page 2 of 4 1. For each of the prob
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Page 4 of 4 1. Surface temperatures
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Page 2 of 2 The graph below shows a
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Name: Date: 9.1 Using the Heat Equa
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Name: Date: 10.1 Measuring Mass wit
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Page 3 of 3 Reading the balance cor
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Page 2 of 2 d. Explain how the disp
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Page 2 of 3 Calculating volume of a
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Name: Date: 10.1 Density The densit
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Name: Date: 10.3 Pressure in Fluids
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Name: Date: 10.3 Boyle’s Law The
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Name: Date: 10.4 Charles’s Law Ch
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Name: Date: 10.4 Archimedes 10.4 Ar
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Name: Date: 10.4 Narcís Monturiol
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Name: Date: 10.4 Archimedes’ Prin
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Name: Date: 11.1 Layers of the Atmo
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Page 2 of 2 Reading reflection 1. H
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Page 2 of 3 Using temperature data
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Page 1 of 2 11.3 Joanne Simpson 11.
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Name: Date: 11.3 Weather Maps You h
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Name: Date: 11.3 Tracking a Hurrica
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Page 3 of 4 Hurricane Andrew crosse
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Name: Date: 12.1 Structure of the A
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Name: Date: 12.1 Atoms and Isotopes
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Name: Date: 12.1 Ernest Rutherford
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Name: Date: 12.2 Electrons and Ener
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Page 253 and 254: Page 2 of 2 Periodic Table Groups T
Page 255 and 256: Page 2 of 2 Using dot diagrams to r
Page 257 and 258: Page 2 of 2 13.2 Important note: If
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Page 261 and 262: Page 2 of 2 13.2 Predict the name o
Page 263 and 264: Page 2 of 2 Using the information i
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Page 269 and 270: Page 3 of 4 Substance Elements in s
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Page 273 and 274: Name: Date: 14.2 Classifying Reacti
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Page 279 and 280: Name: Date: 14.4 Lise Meitner Lise
Page 281 and 282: Name: Date: 14.4 Marie and Pierre C
Page 283 and 284: Page 3 of 3 Reading reflection 1. W
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Page 289 and 290: Page 2 of 2 1. The decay series for
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Page 299 and 300: Page 3 of 4 Build a series circuit
Page 301 and 302: Name: Date: 16.3 Voltage, Current,
Page 303: Page 3 of 3 Now you will have the o
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Page 309 and 310: Page 2 of 2 In part (d) of problems
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Page 317 and 318: Page 2 of 2 7. The directions—nor
Page 319 and 320: Page 2 of 2 6. Repeat step 5 to for
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Page 325 and 326: Page 2 of 2 4. Calculate the power
Page 329 and 330: Page 2 of 4 Determining the relativ
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Page 335 and 336: Name: Date: 19.1 Earth’s Interior
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Page 347 and 348: Name: Date: 19.4 Continental United
Page 349 and 350: Page 3 of 4 When a mountain is form
Page 351 and 352: Name: Date: 20.1 Averaging The most
Page 353 and 354: Page 2 of 5 Locating the epicenter
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Page 4 of 5 20.1 For each of the pr
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Name: Date: 20.2 Volcano Parts 20.2
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Name: Date: 21.2 Calculating Concen
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Name: Date: 21.2 Solubility In this
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Page 3 of 3 The influence of temper
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Page 2 of 3 Work through these exam
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Name: Date: 21.3 Calculating pH The
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Name: Date: 22.1 Groundwater and We
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Page 3 of 3 Testing the model: 1. W
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Name: Date: 24.1 Period and Frequen
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Page 2 of 2 2. Use the grids below
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Page 2 of 2 2. Use the grids below
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Page 2 of 3 x-axis (blocks) Height
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Name: Date: 24.3 Decibel Scale The
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Page 2 of 2 a. ____________________
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Page 2 of 2 2. Two students want to
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Name: Date: 24.3 Palm Pipes Project
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Page 3 of 3 6. Challenge: You can f
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Page 2 of 2 Answer the following pr
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Page 2 of 2 4. You see a chair that
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Page 2 of 2 a. ____________________
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Name: Date: 25.3 Using Ray Diagrams
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Page 2 of 2 2. Light strikes a mirr
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Page 2 of 2 Which way does the ligh
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Page 2 of 2 25.3 1. A lens has a fo
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Name: Date: 26.1 Gravity Problems I
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Name: Date: 26.1 Universal Gravitat
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Page 1 of 2 26.1 Nicolaus Copernicu
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Page 1 of 2 26.1 Galileo Galilei Ga
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Page 1 of 2 26.1 Johannes Kepler 26
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Name: Date: 26.1 Measuring the Moon
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Page 3 of 3 Semi-Circle Card: 26.1
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Page 2 of 2 Reading reflection 1. B
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Page 2 of 2 Part 2: Provisions for
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Page 1 of 2 27.1 Arthur Walker 27.1
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Name: Date: 27.2 The Inverse Square
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Page 2 of 3 1. Fill in the missing
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Name: Date: 28.1 Understanding Ligh
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Name: Date: 28.1 Parsecs You have a
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Page 1 of 2 28.1 Edwin Hubble Edwin
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Name: Date: 28.2 Light Intensity Pr
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Page 2 of 2 If we know the brightne
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Page 2 of 2 Solving Doppler Shift P
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13. A decimeter is 100 times larger
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Skill Sheet 1.3: Significant Digits
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7. Yes, there is a relationship bet
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6. The slope is the same (2.0) unti
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13. S Sh—Sand and shells on the b
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10. 410 miles 11. 6.6 miles -------
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Skill Sheet 4.2: Analyzing Graphs o
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Skill Sheet 5.1: Mass, Weight, and
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Skill Sheet 6.3: Applying Newton’
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Skill Sheet 7.1: Mechanical Advanta
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8. The middle gear turns left. The
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Skill Sheet 7.3: Power in Flowing E
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Skill Sheet 10.1: Calculating volum
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3. Answers are: a. 100 cm 3 b. 13 N
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Skill Sheet 11.3: Weather Maps Samp
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a. b. c. d. e f. Skill Sheet 12.2:
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Skill Sheet 14.1: Chemical Equation
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must be blocking their insulin’s
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8. The current is approximately the
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7. Students can find information ab
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Skill Sheet 17.4: Electrical Power
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Skill Sheet 19.1: Charles Richter 1
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Practice 2: 1. First problem is don
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Skill Sheet 21.3: Calculating pH 1.
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Question 8 (con’t) 9. The new wav
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Skill Sheet 25.2: The Human Eye a.
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Skill Sheet 26.1: Nicolaus Copernic
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Skill Sheet 27.1: Arthur Walker 1.
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