test results objective 1. an orange has a mass of 132 grams. a shopper found the mass to be 111 and...
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![Page 1: Test Results OBJECTIVE 1. An orange has a mass of 132 grams. A shopper found the mass to be 111 and 144 on different balances. An orange has a mass of](https://reader033.vdocuments.us/reader033/viewer/2022051114/56649f1c5503460f94c327e1/html5/thumbnails/1.jpg)
Test ResultsTest Results
OBJECTIVE 1OBJECTIVE 1
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An orange has a mass of 132 grams. An orange has a mass of 132 grams. A shopper found the mass to be 111 A shopper found the mass to be 111 and 144 on different balances. and 144 on different balances.
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An orange has a mass of 132 grams. An orange has a mass of 132 grams. A shopper found the mass to be 111 A shopper found the mass to be 111 and 144 on different balances. and 144 on different balances.
Not precise = measurements 111 Not precise = measurements 111 and 144 are not close togetherand 144 are not close together
Not accurate = measurements are Not accurate = measurements are not not on target(close to actual mass)on target(close to actual mass)
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A student needs to measure exactly A student needs to measure exactly 67 ml of an acid. Which piece of 67 ml of an acid. Which piece of equipment is best?equipment is best?
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A student needs to measure exactly A student needs to measure exactly 67 ml of an acid. Which piece of 67 ml of an acid. Which piece of equipment is best?equipment is best?
100 ml graduated Cylinder100 ml graduated Cylinder
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A student measured a bike that was A student measured a bike that was 69 centimeters long. The student’s 69 centimeters long. The student’s measurements were 69.5, 68.5, 68.9, measurements were 69.5, 68.5, 68.9, 69.2. 69.2.
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A student measured a bike that was A student measured a bike that was 69 centimeters long. The student’s 69 centimeters long. The student’s measurements were 69.5, 68.5, 68.9, measurements were 69.5, 68.5, 68.9, 69.2.69.2.
Precise = all measurements are closePrecise = all measurements are closeAccurate =measurements are on Accurate =measurements are on
target (close to actual mass)target (close to actual mass)
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The meter stick wasn’t calibrated The meter stick wasn’t calibrated right means what?right means what?
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The meter stick wasn’t calibrated The meter stick wasn’t calibrated right means what?right means what?
Means the manufacturer didn’t make Means the manufacturer didn’t make it right……..(very unlikely source of it right……..(very unlikely source of error)error)
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When you don’t know what a When you don’t know what a chemical is…..chemical is…..
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When you don’t know what a When you don’t know what a chemical is…..chemical is…..
Ask your teacherAsk your teacher
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What could be dangerous about What could be dangerous about spilling a chemical on your hand?spilling a chemical on your hand?
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What could be dangerous about What could be dangerous about spilling a chemical on your hand?spilling a chemical on your hand?
Hand gets a chemical burnHand gets a chemical burn
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What type of circuit is Christmas tree What type of circuit is Christmas tree lights?lights?
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What type of circuit is Christmas tree What type of circuit is Christmas tree lights?lights?
Series Circuit (1 path …if one light Series Circuit (1 path …if one light bulb goes out…..no bulbs work)bulb goes out…..no bulbs work)
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Which circuit does not allow Which circuit does not allow electrons to flow?electrons to flow?
Open circuitOpen circuit
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If you ever catch on fire and run If you ever catch on fire and run around the room……..around the room……..
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If you ever catch on fire and run If you ever catch on fire and run around the room……..around the room……..
You keep burning because of the You keep burning because of the oxygen in room fuels the fire.oxygen in room fuels the fire.
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Before you start any Before you start any investigation……..investigation……..
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Before you start any Before you start any investigation……..YOU investigation……..YOU OBSERVE….and then you THINKOBSERVE….and then you THINK
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The Independent variable is the one The Independent variable is the one that _______________ and is located on that _______________ and is located on the _____ axis?the _____ axis?
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The Independent variable is the one The Independent variable is the one that is on the_that is on the__X_____________ axis _X_____________ axis and the dependent variable is and the dependent variable is located on the _located on the __Y___ _Y___ axis?axis?
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Where is the Dependent variable and Where is the Dependent variable and the Independent Variable?the Independent Variable?
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Where is the Dependent variable and Where is the Dependent variable and the Independent Variable? the Independent Variable?
Independent = AIndependent = ADependent = BDependent = B
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Which has a shorter wavelength…Which has a shorter wavelength…gamma, ultraviolet, or radio…….the gamma, ultraviolet, or radio…….the longest wavelength?longest wavelength?
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Which has a shortest wavelength…Which has a shortest wavelength…gamma, ultraviolet, or radio…….the gamma, ultraviolet, or radio…….the longest wavelength?longest wavelength?
Gamma = shortestGamma = shortestRadio = LongestRadio = Longest
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Your water comes from a nearby Your water comes from a nearby lake. One day the news says that lake. One day the news says that the lake has been contaminated with the lake has been contaminated with bacteria, you should…..?bacteria, you should…..?
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Your water comes from a nearby Your water comes from a nearby lake. One day the news says that lake. One day the news says that the lake has been contaminated with the lake has been contaminated with bacteria, you should…..?bacteria, you should…..?
BOIL IT… (your neighbors down the BOIL IT… (your neighbors down the street would be contaminated also)street would be contaminated also)
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You had one group of people doing You had one group of people doing jumping jacks and one group of jumping jacks and one group of people doing sit-ups. What did you people doing sit-ups. What did you forget?forget?
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You had one group of people doing You had one group of people doing jumping jacks and one group of jumping jacks and one group of people doing sit-ups. What did you people doing sit-ups. What did you forget? forget?
(CONTROL GROUP)(CONTROL GROUP)
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You give 50 ml of water to one plant You give 50 ml of water to one plant and more than 50 ml to the other. and more than 50 ml to the other. What is wrong?What is wrong?
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You give 50 ml of water to one plant You give 50 ml of water to one plant and more than 50 ml to the other. and more than 50 ml to the other. What is wrong?What is wrong?
Didn’t keep water constantDidn’t keep water constant
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What are qualitative and quantitative What are qualitative and quantitative results?results?
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What are qualitative and quantitative What are qualitative and quantitative results?results?
Qualitative = QualityQualitative = QualityQuantitative = NumbersQuantitative = Numbers
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What is the mean, median, and mode What is the mean, median, and mode of of
(5, 3 , 3 , 4 , 5 ) ?(5, 3 , 3 , 4 , 5 ) ?
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What is the mean, median, and mode What is the mean, median, and mode of of
(5, 3 , 3 , 4 , 5 ) ?(5, 3 , 3 , 4 , 5 ) ?
3, 3, 4, 5, 5 3, 3, 4, 5, 5
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What is the mean, median, and mode What is the mean, median, and mode of of
(5, 3 , 3 , 4 , 5 ) ?(5, 3 , 3 , 4 , 5 ) ?
3, 3, 4, 5, 5 3, 3, 4, 5, 5
Mean = Average = (3+3+4+5+5) = Mean = Average = (3+3+4+5+5) = 20 20/5 = 420 20/5 = 4
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What is the mean, median, and mode What is the mean, median, and mode of of
(5, 3 , 3 , 4 , 5 ) ?(5, 3 , 3 , 4 , 5 ) ?
3, 3, 4, 5, 5 3, 3, 4, 5, 5
Mean = Average = (3+3+4+5+5) = Mean = Average = (3+3+4+5+5) = 20 20/5 = 420 20/5 = 4
Mode = Most often listed = (3 and 5)Mode = Most often listed = (3 and 5)
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What is the mean, median, and mode What is the mean, median, and mode of of
(5, 3 , 3 , 4 , 5 ) ?(5, 3 , 3 , 4 , 5 ) ?
3, 3, 4, 5, 5 3, 3, 4, 5, 5
Mean = Average = (3+3+4+5+5) = Mean = Average = (3+3+4+5+5) = 20 20/5 = 420 20/5 = 4
Mode = Most often listed = (3 and 5)Mode = Most often listed = (3 and 5)Median = Number in Middle = 4Median = Number in Middle = 4
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32 m/s going North =32 m/s going North =
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32 m/s going North = VELOCITY32 m/s going North = VELOCITY
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55 ml is equal to what?55 ml is equal to what?
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55 ml is equal to what?55 ml is equal to what?
1 ml = 1cm1 ml = 1cm3 3 (It’s on the formula (It’s on the formula sheet)sheet)
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55 ml is equal to what?55 ml is equal to what?
1 ml = 1cm1 ml = 1cm3 3 (It’s on the formula (It’s on the formula sheet)sheet)
55ml = 55ml =
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55 ml is equal to what?55 ml is equal to what?
1 ml = 1cm1 ml = 1cm3 3 (It’s on the formula (It’s on the formula sheet)sheet)
55ml = 55 cm55ml = 55 cm33
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Force, Power, and Current are Force, Power, and Current are measured by what?measured by what?
Force = NewtonsForce = Newtons
Power = wattsPower = watts
Current = ampsCurrent = amps
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Acceleration, Speed and Velocity Acceleration, Speed and Velocity have what units?have what units?
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Acceleration, Speed and Velocity Acceleration, Speed and Velocity have what units?have what units?
Acceleration = m/sAcceleration = m/s22
Speed = m/sSpeed = m/sVelocity = m/s going North, S,E, or WVelocity = m/s going North, S,E, or W
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Work, Resistance, and Voltage are Work, Resistance, and Voltage are measured in?measured in?
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Work, Resistance, and Voltage are Work, Resistance, and Voltage are measured in?measured in?
Work = JoulesWork = JoulesResistance = OhmsResistance = OhmsVoltage = VoltsVoltage = Volts
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An electric current is made when An electric current is made when what flowswhat flows
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An electric current is made when An electric current is made when what flows?what flows?
ElectronsElectrons
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How many meters are in 36.5 km?How many meters are in 36.5 km?
36.5 km * __________36.5 km * __________
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How many meters are in 36.5 km?How many meters are in 36.5 km?
36.5 km * __________ =36.5 km * __________ =
1 km1 km
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How many meters are in 36.5 km?How many meters are in 36.5 km?
36.5 km * __36.5 km * __1000 m1000 m__ =__ =
1 km1 km
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How many meters are in 36.5 km?How many meters are in 36.5 km?
36.5 km * __36.5 km * __1000 m1000 m__ = 36500 m__ = 36500 m
1 km1 km
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How many centimeters are in 5 How many centimeters are in 5 meters.meters.
5 m * ________5 m * ________
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How many centimeters are in 5 How many centimeters are in 5 meters.meters.
5 m * ________ =5 m * ________ =
1 m1 m
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How many centimeters are in 5 How many centimeters are in 5 meters.meters.
5 m * 5 m * __100 cm__100 cm_ =_ =
1 m1 m
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How many centimeters are in 5 How many centimeters are in 5 meters.meters.
5 m * 5 m * __100 cm__100 cm_ = 500_ = 500
1 m1 m
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What slows down the flow of What slows down the flow of electricity?electricity?
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What slows down the flow of What slows down the flow of electricity?electricity?
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What slows down the flow of What slows down the flow of electricity?electricity?
Resistance (Ohms)Resistance (Ohms)
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A toy race track is analogous to A toy race track is analogous to
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A toy race track is analogous to…..a A toy race track is analogous to…..a MODEL. MODEL.