Physics
Kinematics, force analysis, electricity, and equation-driven reasoning.
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c. separate those powers! match each branch to the powers it has. a) th…
10. B. The Legislative Branch 11. C. The Executive Branch 12. A. The Judicial Branch
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simulation courtesy of astronomy education at the university of nebrask…
The light is re - emitted in random directions, rather than strictly in the direction it was originally traveling.
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simulation courtesy of astronomy education at the university of nebrask…
Emission
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part (b) when the telescope is pointed at the incandescent light bulb w…
Absorption
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____ developed an equation to better understand energy levels in an ato…
1. Schrödinger 2. uncertainty principle; Heisenberg
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usage instructions: at the right side is an incandescent light bulb, an…
Continuous
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romeo: well, juliet, i will lie with thee to - night. lets see for mean…
- an overly passionate sense of love - a tendency to act impulsively - a capacity for feeling all emotions too deeply
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question 12 5 pts the situation in which the average of all prices of p…
B. inflation
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use the spectrum to choose the best answers. what has the longer wavele…
9. microwaves 10. lower 11. gamma rays
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7. choose the best answer. the work of schrödinger and heisenberg helpe…
cloud model of the atom
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light and matter begin date: 9/2/2025 12:01:00 am due date: 9/5/2025 11…
B.
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problem 34 we observe a glowing cloud of gas in space with a spectrosco…
the cloud is moving toward us.
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in stars moving away from us, the spectral lines show a blueshift. true…
FALSE
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5. choose all that apply. choose three postulates of the bohr model of …
Electrons in each orbit contain a specific amount of energy. Electrons can only gain or lose energy by jumping to a higher or lower orbit. Electrons can only travel in discrete or…
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problem 32 when a star or galaxy is moving away from us, we observe the…
E. redshifted (shifted toward the red end of the light spectrum)
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light and matter begin date: 9/2/2025 12:01:00 am due date: 9/5/2025 11…
When Christian Doppler, in the middle of the 19th century, discovered that when the source of waves is moving toward us or away from us, the **wavelength** of the wave changes, li…
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what determines how an object will move? object will move in the direct…
Object will move in the direction of the greatest force
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look at the cloud model of an atom. then, choose the best answers. 1. c…
1. electron 2. proton
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which of these is the best example of an asset? the electricity in a ho…
B. the antique diamond necklace someone is wearing
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why is a sonnet an effective way for romeo and juliet to speak when the…
A sonnet is effective as its formality suits the ball setting and its structure heightens the emotional impact of their first meeting.
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problem 30 when a solid or dense object is heated until it glows, it ge…
TRUE
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class management help light and matter begin date: 9/2/2025 12:01:00 am…
TRUE
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class management i help light and matter begin date: 9/2/2025 12:01:00 …
FALSE
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light and matter begin date: 9/2/2025 12:01:00 am due date: 9/5/2025 11…
A, B, C, D, E, F
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if 8 btus heat 2 cubic feet, how many btus are needed for 7 cubic feet?…
D. 28 BTUs
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7. how long (in seconds) will it take you to run 100 meters if you run …
1. 20 s 2. 960 km
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question 10 3 pts which pollutants contribute to the formation of algal…
phosphates, oxides
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question 7 albert einstein is credited with saying that “no amount of e…
B. No Albert Einstein would not agree that once is is tested then you know the answer you would need more experimentation.
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suppose you observed three stars and obtained the following spectra, sh…
The spectrum with the shortest $\lambda_{max}$ (around 500 nm), the spectrum with $\lambda_{max}$ around 1000 nm, the spectrum with $\lambda_{max}$ around 1500 nm.
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explaining how humans changed the environment how did terraced farms he…
The steps increased the amount of land that farmers could grow crops on.
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explaining the benefits of metallurgy neolithic people practiced metall…
Metal was used to make stronger items that lasted longer.
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2) drag and drop the scientists with the statements. developed an equat…
2) developed an equation to better understand energy levels in an atom: Schrödinger developed the uncertainty principle: Heisenberg developed the wave - particle duality of matter…
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multiple - choice question when katrina hit florida, what saffir samson…
C. Category 1
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what is the independent variable in this experiment? a the paperclip fl…
For the independent variable question: C. The salt and the soap added to the water For the dependent variable question: A. The paperclip floating or sinking
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what must be the net force for a balanced force? 0 (no net force) 100
0 (No net force)
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question 1-6 a students hypothesis is that increased exercise causes in…
When running, her pulse was 100 BPM; when sitting, her pulse was 60 BPM.
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directions: fill out everything for each problem. write neatly! 1) how …
$1509.2\ J$
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multiple - choice question what are levees? industrial boat docks for l…
C. something built up, such as walls, use to prevent the overflow of water from a river or lake
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which sentence from the article would be most important to include in a…
B. Newton’s Laws of Motion help us to understand how objects behave when they are standing still, when they are moving and when forces act upon them.
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describe the accuracy and precision of the image. accurate and not prec…
not accurate and not precise
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describe the accuracy and precision of the image accurate and precise n…
There is not enough information to determine which option (Accurate and Precise, Not Accurate and Precise, not accurate and not precise) is correct as the image is not provided fo…
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9) look at the model. then, answer the question and choose the best ans…
The electron would have to gain energy.
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what is the first step in the scientific method? drawing conclusions co…
Making observations
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8) look at the model. then, answer the question and choose the best ans…
Energy is released as an electron jumps to a lower state.
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multiple - choice question what do you think is special about the geogr…
It is flat terrain, so it is susceptible to storm surges
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7) look at the model. then, answer the question and choose the best ans…
'n = 3'
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which of the following best describes a scientific theory? list of step…
A detailed explanation supported by evidence
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besides culture and similar foods, what does louisiana and mississippi …
They both have low lying, coastal communities.
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match the term to the corresponding definition or description. the form…
The form of energy that has the shortest wavelength: Gamma radiation The form of energy that has the longest wavelength: Radio The color of visible light that has the longest wave…
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claims, evidence, reasoning instructions: after reading, answer the fol…
Claim: Les trois méthodes de transfert de chaleur (conduction, convection, radiation) collaborent lors du chauffage d'une poêle par un brûleur de cuisinière. Evidence: La conducti…
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match the term to the corresponding definition or description. focus vi…
Focus visible light so that humans can see light from celestial bodies: Light Telescopes Receives radio waves rather than visible light: Radio Telescopes Telescopes that focus vis…
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instructions: after reading, answer the following short - answer questi…
Les transferts de chaleur de conduction, convection et radiation fonctionnent ensemble lorsqu'un fournoir chauffe une poêle.
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question 1 - 5 alexis wants to determine whether the size of a magnet a…
Alexis should conduct more trials to determine whether the difference in her data is significant.
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match the term to the corresponding definition or description. light ch…
Light: Electromagnetic Radiation The number of waves that pass by a given point in space in a given amount of time: Frequency The distance between two peaks of adjacent waves: Wav…
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whats the difference between carbon dating and stratigraphic dating? ch…
A. Carbon dating places fossils or artifacts in time by measuring their radiocarbon content; stratigraphic dating relies on the layers of earth surrounding those fossils or artifa…
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geologists know that the most influential force in erosion is water. th…
The geologist observed the river and did not test variables.
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explain density. you have three cubes 3in x3in x3in each. one is metal,…
Metal has highest density, then plastic, then cork.
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6. directions drag and drop the correct answer choice to each answer bl…
100, m
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match each word to its best statement. (iv = independent variable, dv =…
1. dv 2. iv 3. control variables 4. hypothesis
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12 multiple choice 4 points which of the following is a primary power o…
to make laws
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another lab group performed the same stream table experiment and collec…
the ruler used to measure distance
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20. veal a)swine b)horse c)goat d)cattle e)sheep
d) Cattle
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match each word to its best statement. * 8 points observation inference…
1. Quantitative 2. Inference 3. Observation 4. Qualitative
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12.) is this observation quantitative or qualitative? the black, fuzzy …
12. Qualitative 13. Quantitative 14. Qualitative
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9. a car traveled 240 km in 3 hours. what was its average speed in km p…
B. 80 km/hr
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one of the main goals of the grange movement of the 1870s and 1880s was…
C. force the railroads to lower freight rates
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4.) which terms best matches this definition? - a statement made about …
4. hypothesis 5. observation 9. Quantitative
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engineers do not always complete the steps of the design process in the…
identifying the problem
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2) which terms best matches this definition? -this will test the hypoth…
2. controlled experiment 3. dependent variable
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read the passage from the time travelers guide to elizabethan england. …
analyze the information logically.
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question 13 1 pts what is the best definition of engineering? the obser…
to apply scientific knowledge to solve real - world problems
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according to the stream table experiment, which statement correctly ide…
The type of material is the test variable (independent variable) and the distance materials traveled is the outcome variable (dependent variable).
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question 12 1 pts what does it mean to test a hypothesis? carefully stu…
see if the experiment’s results match predictions
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which of the following is an example of a quantitative observation? * t…
1. the flower has 5 petals 2. independent variable
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10. a student leaves his house and gets on the bus to go to school. he …
The displacement is zero because he ended up at the same place he started.
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11. directions drag and drop the correct answer choice to each answer b…
250, m
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what is the field of study that allows humans to understand elements of…
science
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question 9 1 pts the steps in the scientific process must be followed i…
False
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how many independent variables should be in an experiment? * only one t…
A. only one
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the us constitution limits the power of the executive branch through co…
Congress and the Supreme Court.
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read the claim from an argumentative essay. graffiti art deserves to be…
A. The use of spray paint to create original lettering has art critics impressed.
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question 7 1 pts a(n) _____ is a working model of an invention built fo…
C. prototype
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2. some people disregard the 30 mi/h speed limit (15 m/s) and travel at…
a) STOP zone is approximately 120 m (calculated as above). Sketch the intersection with a 120 - m zone marked as the STOP zone starting from a relevant point near the intersection…
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match each word to its best statement. (iv = independent variable, dv =…
1. dv 2. iv 3. hypothesis 4. True
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question 6 why is understanding science the first step in engineering? …
Science provides the basic rules that engineers use to create.
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a(n) ____________ is formed after a question has been asked and some ba…
A. hypothesis
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short answer questions answer the following short answer questions abou…
1. La conduction est le transfert de chaleur par contact moléculaire. Exemple : un métal chauffé. 2. La convection est le transfert de chaleur par déplacement de fluides. Naturell…
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a pharmacy technician is notified of a medication recall. which of the …
Check and remove all recalled stock from shelves.
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place the steps to the scientific method in the correct order. * 18 poi…
1st: Ask a testable question 2nd: Develop a hypothesis 3rd: Experiment - test your hypothesis 4th: Analyze your data 5th: Draw Conclusions 6th: Communicate results
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a dependent variable is the effect and the independent variable is the …
1. A. True 2. C. vehicle speed
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when drawing out of a glass ampule, which of the following supplies is …
Filter needle
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if only one trial was conducted in an experiment, it may be considered …
Because less data leads to results that may not be as consistent or reliable.
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scientists commonly use ____________ to represent, organize and show th…
A. charts and graphs
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polynomials are used in various real - world applications, including ph…
1. model relationships 2. zeros 3. monomial 4. polynomial
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question 8 of 10 match each behavior with a type of peer influence posi…
Positive reinforcement - Smiling when someone does something good Emulation - Doing what someone older does Social exclusion - Ignoring someone
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a patient just purchased a glucometer and needs supplies to help monito…
C. Lancet
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a warmer average temperatures and greater seasonable differences than p…
(17) A. the tilt of the Earth’s axis as it circles the Sun (18) A. The ocean side of the mountain generally has more precipitation.
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why cant more than one variable be changed during an experiment? * you …
Changing two or more variables makes it difficult to find a cause and effect relationship.
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what happens to the independent variable in an experiment? * it equals …
D. it is purposely and carefully changed/tested
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which of these will make a risky situation even more dangerous? a. mari…
A. Marijuana use