Physique
Cinématique, forces, électricité et raisonnement par équations.
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11 multiple choice 3 points move the balloon to the wall so that it sti…
11. The electrons in the wall are repelled by the electrons in the balloon. 12. The force of attraction between the opposing charges is stronger than the force of gravity that pul…
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when someone reads your observations, they should feel... like they mad…
like they were present at the time of your observations.
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10 multiple choice 3 points rub the balloon on the sweater until the ma…
A. Charge Polarity
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how can you improve the validity of your experiment? not following the …
Performing multiple trials.
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9 multiple choice 3 points grab a balloon and rub it against the sweate…
Electrons from the sweater are transferred to the balloon.
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8 multiple choice 3 points look at the wall. what is the net charge on …
Zero -- equal number of positive and negative charges
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which of the following is most likely to consume anabolic steroids even…
athletes
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the body has natural steroids called ______. minerals hormones proteins
hormones
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athletes that take testosterone hope to build more muscle mass eliminat…
build more muscle mass
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what happens to an athletes natural testosterone production when they t…
it decreases
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in inkscape, which tool should you select in order to see the nodes in …
Node
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4 multiple choice 3 points which part of the atom has a negative charge…
Electrons
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what happens to a female athletes voice when consuming anabolic steroid…
It gets deeper
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an observation is... scientific information learned about the world by …
scientific information learned about the world by using our five senses.
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3 multiple choice 3 points thinking back to our unit on matter and atom…
Protons
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what setting would you apply to a dashed line from the fill and stroke …
Cap
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what action did the colonists take in september of 1774 in response to …
C. Representatives from 12 colonies met at a Continental Congress in Philadelphia
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barrier protection is not 100 percent effective in preventing stds true…
True
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2 multiple choice 3 points a capacitor is: three metal plates facing ea…
Two metal plates facing each other, each plate having opposite charges.
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which of these is a stroke style in inkscape? choose the answer. amount…
Dashes
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practice: plan an informational essay choosing an organizational patter…
- "In *The Great Gatsby*, an examination of the similarities and differences between the settings of East Egg and West Egg can reveal a lot about the American Dream." → Compare an…
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vaginitis is often experienced by females with trichomoniasis. syphilis…
trichomoniasis
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when you draw a curve with the ______ tool, the curve may have so many …
Pencil
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in inkscape, what is the name for a path that has an ending point that …
C. A closed path
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which is not a reason stds go undiagnosed? o many stds are asymptomatic…
State laws require all STDs to be reported.
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an std that can cause genital blisters is ○ genital herpes. ○ genital h…
genital herpes
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how would it change the world if someone invented a machine that makes …
If someone invented a machine that makes salt water as efficient a fuel as gasoline, it would bring about a multitude of changes. Energy costs would drop due to the abundance of s…
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an std that can cause genital warts is chlamydia. genital herpes. genit…
genital HPV.
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if you want to create a perfect curve, which tool would be most helpful…
The Bezier Tool
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which statement about stds is true? they are all curable. they are high…
They are highly communicable.
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what does the simplify command do? (select the best answer.) lower the …
Lower the number of nodes in a path.
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1. the term that best describes the motion of an object that is slowing…
C. deceleration
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4. toby glances at the speedometer on his bicycle as he begins to roll …
a. 2 mph/sec. ### Question 9
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how far should you carry a heavy object? no more than 75 feet no more t…
No more than 25 feet
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where is the power zone for lifting? mid - thigh to mid - chest knees t…
Knees to feet
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lifting, carrying, and handling materials puts stress on which parts of…
All options (Knees & toes, Back & neck, Shoulders, arms, & hands, Hips & ankles) are correct as they are all parts of the body that can experience stress during lifting, carrying,…
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if a runner succumbs to knee pain, what happens? a. they try to forget …
B. They give in to the pain and stop running.
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what is true about electromagnetic waves on the higher end of the spect…
They have more energy, and greater dangers.
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during a tug of war, the rope accelerates towards the left. what is tru…
C. The force toward the left is greater than the force toward the right.
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what is one thing x - rays are used for? to look inside of luggage at a…
To look inside of luggage at airport security scanners.
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which is the best definition of high electromagnetic energy? high elect…
High electromagnetic energy has short wavelengths and a high frequency.
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question 17. results in science are not generally accepted as being acc…
C. One scientist carries out the same experiment performed by another scientist to validate the results.
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what is true about energy on the low end of the electromagnetic spectru…
They have low frequency and a long wavelength.
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microwaves have low frequencies. what does that tell us about their wav…
They have long wavelengths.
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what is one use for infrared waves? television signals cooking thermal …
thermal imaging cameras
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25. the speed of a car traveling 200 meters in 10 seconds is equivalent…
For the first question: C. 72 kilometers per hour. For the second question: D. cm/sec2.
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what type of low electromagnetic wave does a radar gun use? microwaves …
microwaves
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a transverse wave that has electrical and magnetic properties is known …
C. electromagnetic energy
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which wave on the electromagnetic spectrum has the highest frequency? v…
Gamma Ray
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6. the slope of a position versus time graph represents: * a. accelerat…
6. d. speed 3. c. acceleration
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which is true about visible light? it cannot travel through a vacuum. i…
It is the only part of the electromagnetic spectrum that we can see.
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7. the slope of a speed versus time graph represents: * o a. accelerati…
a. acceleration. ### Question 21
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18. if you know the distance traveled and the amount of time it took, s…
C. dividing distance by time. # 11.
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two friends want to decide whose car gets the best gas mileage. a cars …
A. By using the same type of gas, the friends can learn which type of gas gets the best mileage.
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5. when an object is accelerating due to the force of gravity with no o…
c. in free fall. # 12.
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read the headlines and determine the direction the supply curve will sh…
- A freeze destroys the crop of oranges in the US: Shift - Left, Determinant - Number of Producers - The government places a 40% tax on all avocados imported from Mexico: Shift - …
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which of the following effects does weathering have on earths surface? …
B. Weathering causes the breaking down of rocks.
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10. a word meaning size often used to describe scalar quantities is: * …
10. d. magnitude 13. c. speed
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17. on his way to a concert, john stops at the mall to buy some camera …
c. time interval
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which of the following claims does the author not make about humans inf…
A. They ensure access to clean drinking water to major cities.
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process that have occurred throughout history. the effects often depend…
B. coal
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guiding questions question 1 of 3 water scarcity is... a contained to c…
D. occurring around the world.
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put the events in order to show how the global conveyor belt works. ass…
1. Water flows near surface. 2. Water reaches Norwegian Sea. 3. Water cools and sinks to the bottom. 4. Water flows south to Antarctica. 5. Water warms and rises to surface.
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what particle completes this reaction?
beta particle
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put the events in order to show how the global conveyor belt works. ass…
1. Water reaches Norwegian Sea. 2. Water warms and rises to surface. 3. Water flows near surface. 4. Water cools and sinks to the bottom. 5. Water flows south to Antarctica.
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115 47 ag → ? + 0 - 1 β what element is the ? not listed cd - 115 pd - …
\(_{48}^{115}Cd\) (or \(Cd - 115\))
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if we start off with element $_{24}x^{50}$ after an alpha decay we get …
\(_{22}^{46}Y\) (i.e., the first option \(22Y^{46}\))
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what do these symbols represent? alpha particle gamma ray beta particle…
alpha particle
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complete the nuclear equation and determine the type of decay that is o…
The completed nuclear equation is \(^{226}_{88}\text{Ra}\to^{222}_{86}\text{Rn}+^{4}_{2}\text{He}\), and the type of decay is alpha decay.
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by the end of the war, gang green becomes more rare due to the use of c…
False
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which statement best describes how physical geography contributed to th…
Periods of drought led to declines in food production and increased migration of people seeking better conditions.
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how long does it take a 180 - gram of gold - 198 to decay to 22.5 grams…
8.04 days
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in the equation, \\( ^{14}_{6}c \ ightarrow ^{14}_{7}n + ^{0}_{-1}b \\)…
Beta
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uranium - 238 decays into thorium - 234 by emitting...... gamma rays a …
C. an alpha particle
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which type of nuclear radiation is being emitted here? beta gamma alpha…
alpha
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how long will it for a take for a 40 gram. the half - life of cobalt - …
15.78 years
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twice as many soldiers die from infections from wounds and diseases as …
True
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which of the following would most likely be a cause? a burn mark found …
a spark that sets off a blaze
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what are the rigging devices used to move loads such as steel plates wi…
lifting clamps
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30. in the circuit shown in fig. 7 find (a) the current in resistor ( r…
(a) \( 2.00\,\text{A}\) (b) \( 5.00\,\Omega\) (c) \( 24.0\,\text{V}\) (d) \( 3.50\,\text{A}\)
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what is the maximum load weight that a sling is designed to carry? top …
rated capacity
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what is a type of hand - operated winching device that should never be …
come - along
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what is the maximum temperature most alloy steel chain slings can be us…
400°F (204°C)
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what is true about synthetic slings? cause the load to twist more than …
flexible and mold themselves to the load
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which type of hitch consists of two or more vertical hitches attached t…
A. bridle
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what do all chain hoists use to lift heavy loads? sprocket set anchorag…
gear system
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why would an alloy steel chain be removed from service? damage from coo…
missing identification tag
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two choker hitches are recommended when lifting a load longer than how …
10’ (3 m)
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text 1 stage lighting theorist adolphe appia was perhaps the first to a…
D. Appia likely gained a level of technical expertise during his time as an apprentice.
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answer the following questions. refer to the chapter for additional rei…
1. D. setting and enforcing safety performance standards 2. C. mandate child safety seats and air bag standards
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order the climate zones starting at the equator and moving to the poles…
# Explicación breve: La zona climática tropical está más cerca del ecuador, seguida de la zona climática templada y finalmente la zona climática polar más cerca de los polos. # Re…
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3 true or false 1 point oceans/ water is able to absorbs great amounts …
True
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question 10 of 10 which of the following is not a sustainable form of e…
A. Coal
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question 9 of 10 what makes wind energy \green\? a. it does not require…
A. It does not require burning anything.
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multiple answer 5 points what are the 5 factors that determine climate?…
Amount of rainfall, Mountain Barriers (Ranges), Elevation (Altitude), Latitude, Ocean Currents
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question 8 of 10 which statement is true? a. sustainable energy is ener…
C. Sustainable energy is energy whose source is renewable.
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question 7 of 10 which of the following is not a potential benefit of u…
B. More air pollution
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question 6 of 10 which of the following would not be a way we can cut b…
D. Using more heat in the winters
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thermodynamics graphing practice graph 1: the effect of time on tempera…
1. \(x\)-axis units: minutes; \(y\)-axis units: degrees Celsius. 2. As time increases, temperature decreases. 3. IV: time; DV: temperature. 4. The system is losing energy (as indi…
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put down by washingtons show of force shays rebellion whiskey rebellion
Whiskey Rebellion