Física
Cinemática, análisis de fuerzas, electricidad y razonamiento con ecuaciones.
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what do antioxidants do in the body? a. cause oxidation reactions that …
C. Prevent oxidation reactions that damage the body
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6. which has the lowest energy motion? a. solid b. liquid c. gas
a. Solid
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the directional term that means closest to the point of attachment: med…
E. proximal
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what is the primary power of the legislative branch? to veto laws to in…
C. To make laws
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consider the given graph of an objects mass and volume. what is the den…
2
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quiz: pre - lab quiz - using excel for graphing points possible: 1.00 o…
identify any linear trend in scattered data.
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quizzes pre - lab quiz - using excel for graphing graph pressure (mmhg)…
y - axis label: Pressure (mmHg) x - axis label: Temperature x - axis numeric range: 200 - 320 y - axis numeric range: (the minimum and maximum values of pressure shown on the y - …
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quiz: pre - lab quiz - using excel for graphing points possible: 1.00 o…
- A. Units of quantity displayed on axis - C. Name of quantity displayed on axis
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which plane divides the body into equal right and left parts? midsagitt…
A. Midsagittal
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13 multiple - choice question what does ductile mean? they can be made …
They can be made into wire.
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which plane divides the body into anterior and posterior parts? a. mids…
D. Coronal (frontal)
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how do refrigerators keep things cool? (reread the passage if you need …
Refrigerators have coolant that absorbs heat from inside to cool. Temperature is proportional to kinetic energy of particles.
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practice #4 background: match each story on the left with the graph it …
1. D 2. C 3. B 4. A
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21. muscles usually function in pairs, and act with reciprocal inhibiti…
Muscles function in pairs with one muscle (agonist) contracting to cause a movement while the opposing muscle (antagonist) relaxes through reciprocal inhibition, enabling smooth m…
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the solar system fill in the blanks below with words from this box: nep…
The Solar System: solar; orbit; eight; Neptune The Terrestrial Planets: terrestrial; Earth; Mercury; Venus; temperature; Mars; water The Gaseous Planets: gas giants; Jupiter; Satu…
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what toxic substance is released when welding stainless steel? select t…
Hexavalent chromium
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2) at 47°c, a gas has a pressure of 140 kpa. the gas is cooled until th…
# Explicación: ## Paso 1: Convertir la temperatura inicial a Kelvin $T_1=(47 + 273)K=320K$ ## Paso 2: Aplicar la ley de Gay - Lussac (constante volumen) $\frac{P_1}{T_1}=\frac{P_2…
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how can you manage hazards associated with breathing in welding fumes? …
C. Using adequate ventilation
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practice it! drag and drop the words or phrases that accurately complet…
El primer espacio se completa con "test (independiente)".
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practice it! which of the following describes how lines of latitude hel…
# Breve explicación: Las líneas de latitud indican la distancia de un área al ecuador. Las áreas más cercanas al ecuador reciben más radiación solar directa y tienen temperaturas …
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define heat in your own words. write what you know about kinetic energy…
Heat: Energy transferred by temperature - difference. Kinetic energy: Energy of an object in motion, formula $KE = \frac{1}{2}mv^{2}$.
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which of the following are true about climate and climate zones? climat…
- Clima is determined by the averages of factors like temperature, precipitation, and humidity. - Earth is divided into three main climate zones. - Climate zones differ depending …
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how much does the average human brain weigh? 3 pounds 4 pounds 5 pounds
3 pounds
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4) i have an unknown volume of gas at a pressure of 0.7 atm and a tempe…
# Explicación: ## Paso 1: Identificar los valores dados $P_1 = 0.7$ atm, $T_1=325$ K, $P_2 = 1.5$ atm, $T_2 = 320$ K, $V_2=43$ L, $V_1$ es lo que se busca. ## Paso 2: Aplicar la l…
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will you die if your corpus callosum is cut/split? yes no
B. No
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which of the following statements demonstrates the cause and effect rel…
The test and outcome variable have a cause and effect relationship because the outcome variable changes in response to the test variable.
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are comprehensive explanations about -why people act and behave the way…
1. Psychological theories 2. Psychoanalytic theories 3. Psychoanalytic approaches 4. Sigmund Freud 5. Erik Erikson
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5. what are some aspects of your experiment that may have caused some e…
Measurement inaccuracies, uncontrolled variables, human - error in data recording/calculations, limitations in experimental design.
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multiple - choice question what is the part of the brain that connects …
B. Corpus callosum
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practice it! which of the following statements demonstrates the cause a…
The test and outcome variable have a cause and effect relationship because the outcome variable changes in response to the test variable.
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a fire watch must be held for at least __________ after completion of w…
C. 30 minutes
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which of the following are popular fuels used with oxygen for gas weldi…
A. Acetylene C. Mapp gas D. Hydrogen
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3) a gas that has a volume of 26 l, a temperature of 50°c, and an unkno…
$2.77\ atm$
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select the statement below that accurately differentiates between the t…
# Breve Explicación: La variable independiente (test variable) es manipulada por el experimentador y no depende de otras variables. La variable dependiente (outcome variable) camb…
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which of the following are proper ways to transport or move gas cylinde…
Regulators should be removed and valve protection caps put in place before cylinders are moved
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review it! drag and drop the words or phrases that accurately complete …
1. purposefully changed 2. independent variable 3. measured 4. observed and recorded
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where should welding equipment and supplies be stored when not in use? …
Not below ground level, inside buildings
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practice it! select the statement that accurately summarizes an outcome…
"A variable that is measured in the experiment."
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practice it! which of the following accurately summarizes a test variab…
A variable that is changed in the experiment on purpose by the experimenter.
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what is the effect of air resistance on the acceleration of falling obj…
Air resistance decreases the acceleration of falling objects.
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what is the speed acquired by an object in free fall 4 s after being dr…
The speed is 40 m/s.
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when jill and her friends are done hiking, they want to set up camp on …
D.
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question 1 of 8 under what circumstances can cylinders containing oxyge…
Oxygen or acetylene cylinders should not be placed in confined spaces
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a ball freely falling at 20 m/s will in the next second have a speed of…
30 m/s
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part 3: complete the following metric conversions. make sure to show al…
2 g
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jill and her friends are going camping. they want to hike to the summit…
C. B
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practice entering numbers that include a power of 10 by entering the di…
$1.06\times10^{-10}$
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galileo discovered that when air resistance can be neglected, all objec…
acceleration
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according to this relief map, which place has the lowest elevation? b d…
C.
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part 2: write in the correct abbreviation for each unit below. 5. kilog…
5. kg 6. mL 7. g 8. cg 9. ms 10. km 11. L 12. dm
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what type of islands are the galápagos islands? (1 point) continental b…
C. volcanic
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summarize it! drag and drop the words or phrases that accurately comple…
Primer espacio: hipótesis Segundo espacio: brands of batteries Tercer espacio: number of hours
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practice: unit conversions part 1: fill in the si unit for each of the …
1. second 2. meter 3. kilogram 4. kelvin
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though proven effective in flu prevention, the influenza vaccine, or \f…
The flu and the stomach flu are separate conditions, each with its own causes and symptoms.
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the main, or central, idea of the passage is mister rogers neighborhood…
It compares the motivation of the creators of Sesame Street with that of Fred Rogers.
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question 18 of 30 you have a particle of length 68 nm. what is this in …
B. $6.8\times 10^{-8}\ m$
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mister rogers neighborhood, created by fred rogers, first appeared on n…
Mister Rogers’ Neighborhood and Sesame Street were television programs that both dealt with issues previously unaddressed in children’s programming.
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question 3 musical memory will help a person ○ better understand the cu…
better understand the hidden meaning of some musical works.
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if a car moving at a steady speed rounds a corner at 60 km/h, does it m…
1. The instantaneous speed is constant and the direction of motion changes. 2. Thus, the car maintains a constant speed and it does not maintain a constant velocity.
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practice it! select the statement(s) that define an outcome variable. t…
# Breve explicación: La variable de resultado, también conocida como variable dependiente, es aquella que responde a los cambios en la variable independiente (test variable). Tamb…
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atomy the longest bone in the human body is the femur, or thighbone. th…
18.6
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name: spongebob clean pants spongebob noticed that his favorite pants w…
1. Hypothesis: Pants washed with Clean - O detergent will be cleaner than those washed in plain water. 2. Independent variable: Type of water (plain water or water with Clean - O …
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helen is an experienced public speaker and has been practicing medicine…
A. quickly decide on the main points she'd like to address and how to transition from one point to the next
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1. name two effects the columbian exchange had on the “old world” 1.** …
1. Effects on Old World: - New crops (e.g., potatoes) led to population growth. - Introduction of new animals (e.g., turkeys). Effects on New World: - Devastating diseases for ind…
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in what region is galveston located? coastal plains mountains and basin…
A. Coastal Plains
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question 10 of 30 what is the mass of 2.7 l of water? a. 270 μg b. 270 …
C. 2.7 kg
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which of these sentences from the story is a complex sentence? select o…
"The Supreme Court ruled that 'separate but equal' was unconstitutional in 1954, but Virginia resisted."
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a positive feedback loop: meanders make more meanders the river has a m…
1. Yes, a model of erosion can explain the feedback loops. For the positive - feedback loop of meanders, lateral bank erosion enhances meanders. For the negative - feedback loop o…
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a(n) ____ is a proposed explanation for a phenomenon and a starting poi…
C. hypothesis
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the scientific method sequence is complete once experimental data have …
B. False
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match each term to the best description. control group independent vari…
- Control group: Subjects not exposed to the experimental treatment - Independent variable: Factors being controlled and manipulated during an experiment - Dependent variable: Fac…
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practice it! which of the following best defines test variable (indepen…
# Breve explicación: La variable independiente (test variable) es la que el investigador controla y cambia intencionadamente en un experimento para ver cómo afecta a la variable d…
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select the four adjectives. dont select any articles (a, an, or the). m…
many, recent, other, advanced
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jessica is in labor with her first child. her contractions, which are e…
Oxytocin
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3. do you need to be the fastest runner to have the highest acceleratio…
No, the fastest runner doesn't have to have the highest acceleration.
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sue has parkinsons disease. she takes medication that: decreases the le…
C. Increases the level of dopamine.
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bettys metabolism has been irregular, and she has been moody, tired, an…
thyroid
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randy was diagnosed with an imbalance in the regulation of calcium in h…
parathyroids
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why did the yamasee indians attempt to force the british out of south c…
The Yamasee owed money to the British.
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what holds the earth’s atmosphere in place? wind currents gravity magne…
gravity
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which of the following answer options is a hazard in using scaffolding?…
Falls
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when constructing a scaffold, there are specific criteria for the the s…
D. ground
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above the troposphere lies the stratosphere, where the ozone layer resi…
shielding the Earth from UV radiation
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if acetylcholine (ach) transmission is blocked, one is: depressed. para…
B. paralyzed
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which layer of the atmosphere contains the ozone layer? mesosphere trop…
C. stratosphere
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for the woman in the audio, which aspect(s) of social health were missi…
Ability to use social supports and form healthy attachments
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when constructing a scaffold, there are specific criteria for the _____…
D. ground
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\slow and lasting\ is an apt description of ___ system messages. nervou…
endocrine but not nervous
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review it! select the statement(s) that accurately describe how rocks m…
- Sedimentary rock is formed as a result of the weathering, erosion, and deposition of other rocks. - Igneous rock can be formed when other rocks melt, reshape, and then cool. - M…
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whats the purpose of a personal fall arrest system (pfas)? select the b…
To reduce the likelihood of injuries or fatalities
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a student sets up the following equation to convert a measurement. (the…
$10^{-6}$
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how do delivery companies track packages? o a. they use gps. o b. they …
A. They use GPS., B. They use code - scanning technology.
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what technology is being used when you are sent an email saying you can…
C. Scan code
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practice it! all of the following are correct about metamorphic rocks, …
Metamorphic rocks are formed on the Earth's surface.
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practice it! select the statement that best explains the formation of t…
# Breve explicación: Las Islas Hawaianas se formaron a través de la actividad volcánica. Las placas tectónicas se mueven sobre un punto caliente en el manto terrestre, lo que llev…
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the following nutrition information is listed on a box of crackers. ser…
0.5
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practice it! select the statement(s) that accurately support why the gr…
- The rock formations in the Grand Canyon are formed in observable layers. - The Grand Canyon was formed as a result of erosion and deposition of sediments. - The Grand Canyon is …
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the main, or central, idea of the passage is specific conditions in the…
It identifies a condition that led to the formation of gypsum crystals.
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practice it! all of the following are correct, except: all of the follo…
# Breve Explicación: La mayor parte de la superficie de la Tierra está formada por rocas sedimentarias, no por rocas metamórficas e ígneas. Las rocas metamórficas e ígneas se form…
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taran wants to work in the technology field but is unsure of which care…
D. Help desk support