Quarter 1 Test Review. If you are calculating the change in velocity during a certain time period,...
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Transcript of Quarter 1 Test Review. If you are calculating the change in velocity during a certain time period,...
![Page 1: Quarter 1 Test Review. If you are calculating the change in velocity during a certain time period, you are calculating?](https://reader036.fdocuments.net/reader036/viewer/2022062409/5697bf961a28abf838c91141/html5/thumbnails/1.jpg)
Quarter 1 Test Review
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• If you are calculating the change in velocity during a certain time period, you are calculating?
![Page 3: Quarter 1 Test Review. If you are calculating the change in velocity during a certain time period, you are calculating?](https://reader036.fdocuments.net/reader036/viewer/2022062409/5697bf961a28abf838c91141/html5/thumbnails/3.jpg)
acceleration
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• ____________is when an object’s distance from another object is changing.
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motion
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Which is not a vector?
• 1. acceleration• 2. speed• 3. velocity• 4. time• 5. distance• 6. displacement
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• Speed• Time• Distance
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• ______________is a place or object used to tell if another object is moving.
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Frame of reference
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• Give 3 units for distance.
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• Meters, centimeters, decameters
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• What is the SI unit for liquid volume?
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liters
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• The SI, International system of Measurement is a system of measurement used everywhere except?
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• Everywhere except U.S.
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• What two measurements are needed to find speed?
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• Distance and time
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What is the formula for speed?
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Speed = distance/time
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• A speed that is used by police officers to detect how fast you are moving is called_______ __________.
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Constant speed
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_____is a speed that is the total distance divided by total time.
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Average speed
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• If the speed of an object does not change you are traveling at a __________ ___________.
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Constant speed
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• Daniel and Paiten are riding their mopeds together. They are traveling 10 miles to go see his Grandmother. It takes them 2 hours to get there. How fast are they going?
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5 mi/hr
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• Dalton is a marathon runner. If he moves at a constant speed in the same direction for 1 hour, which of the following is true?
• A. He changed speed during the hour.• B. His velocity did not change.• C. He accelerated during the hour.• D. He is in good shape.
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B. His velocity did not change.
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• If you know Josh jogged 20 kilometers in 6 hours on a highway headed west, you can calculate his_______________.
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Average velocity
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Which two variables do you need to place on a graph to show motion of a car?
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• Time and distance
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You would place the _________variable on the X axis of a line graph.
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Manipulated or independent
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• In graphing motion, what do you know about the runner with the steepest slope?
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• He is the fastest.
![Page 38: Quarter 1 Test Review. If you are calculating the change in velocity during a certain time period, you are calculating?](https://reader036.fdocuments.net/reader036/viewer/2022062409/5697bf961a28abf838c91141/html5/thumbnails/38.jpg)
• On a graph showing distance verses time, a horizontal line tells you what?
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• The object is sitting still.
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• Convert 3 kilometers to hectameters.
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30
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Convert 140 grams to ounces.
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5 ounces
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Convert 224 grams to ounces.
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8 ounces
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Jamin has a cat that weighs 15 kg. How many pounds does he weigh?
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33 lbs
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What is a conversion factor?
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• A fraction that is equal to the number one that is used to convert from one unit to another.
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Change 67 000 000 000 to scientific notation.
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6.7 x 1010
![Page 52: Quarter 1 Test Review. If you are calculating the change in velocity during a certain time period, you are calculating?](https://reader036.fdocuments.net/reader036/viewer/2022062409/5697bf961a28abf838c91141/html5/thumbnails/52.jpg)
• The rate at which velocity changes is called?
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acceleration
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How many Sig. Figs. ?
• 0.00003450
![Page 55: Quarter 1 Test Review. If you are calculating the change in velocity during a certain time period, you are calculating?](https://reader036.fdocuments.net/reader036/viewer/2022062409/5697bf961a28abf838c91141/html5/thumbnails/55.jpg)
4
![Page 56: Quarter 1 Test Review. If you are calculating the change in velocity during a certain time period, you are calculating?](https://reader036.fdocuments.net/reader036/viewer/2022062409/5697bf961a28abf838c91141/html5/thumbnails/56.jpg)
How many Sig. Figs.?
• 7000
![Page 57: Quarter 1 Test Review. If you are calculating the change in velocity during a certain time period, you are calculating?](https://reader036.fdocuments.net/reader036/viewer/2022062409/5697bf961a28abf838c91141/html5/thumbnails/57.jpg)
1
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How many Sig. Figs.?
8990.
![Page 59: Quarter 1 Test Review. If you are calculating the change in velocity during a certain time period, you are calculating?](https://reader036.fdocuments.net/reader036/viewer/2022062409/5697bf961a28abf838c91141/html5/thumbnails/59.jpg)
4
![Page 60: Quarter 1 Test Review. If you are calculating the change in velocity during a certain time period, you are calculating?](https://reader036.fdocuments.net/reader036/viewer/2022062409/5697bf961a28abf838c91141/html5/thumbnails/60.jpg)
• Give an example of deceleration.
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Slowing down
![Page 62: Quarter 1 Test Review. If you are calculating the change in velocity during a certain time period, you are calculating?](https://reader036.fdocuments.net/reader036/viewer/2022062409/5697bf961a28abf838c91141/html5/thumbnails/62.jpg)
• Why is the Earth always accelerating?
![Page 63: Quarter 1 Test Review. If you are calculating the change in velocity during a certain time period, you are calculating?](https://reader036.fdocuments.net/reader036/viewer/2022062409/5697bf961a28abf838c91141/html5/thumbnails/63.jpg)
• Because it is always traveling in a path in which it changes direction.
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• Jamie walks north 3 blocks, then turns west and walks 3 blocks. Then she turns south and walks 3 blocks. 1. What would be her displacement?
• 2. What distance did she walk?• Be specific.
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• Displacement is 3 blocks west.• Distance is 9 blocks.
![Page 66: Quarter 1 Test Review. If you are calculating the change in velocity during a certain time period, you are calculating?](https://reader036.fdocuments.net/reader036/viewer/2022062409/5697bf961a28abf838c91141/html5/thumbnails/66.jpg)
• On an acceleration graph showing speed vs. time, a straight horizontal line would tell you what?
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constant