Physics
Kinematics, force analysis, electricity, and equation-driven reasoning.
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natalie has a new baby brother. like most babies, he lost a little weig…
The first graph.
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scientists are preparing two satellites to be launched. the satellite, …
3400
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dean is helping with a program to increase recycling at his school. at …
The third graph.
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which statement best distinguishes an observation from an inference? an…
An inference is likely to change based on additional observations.
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20. -/1 points 0/12 submissions used loudness, or the intensity of soun…
140
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older ocean - exploring robots are attached to a ship by a cable. danie…
They needed SoFi to fit in with the underwater environment.
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multiple - choice question tendons attach - bone to muscle bone to bone…
A. bone to muscle
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which civil liberty do citizens have in the united states? the right to…
the right to due process in court
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2. a bear, cat, and ant are all at equal distance from each other. whic…
C. Bear + Cat
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how does the body maintain homeostasis when its inner temperature becom…
sweating
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what effect does repeating the onomatopoetic word \thump\ have on the p…
It creates an auditory and visual image of the musician creating the rhythm of the blues.
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multiple - choice question why did fdr ask congress to pass the \lend l…
to make sure Britain could still get weapons when they ran out of money for "Cash Carry"
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1. scientists are trying to decide if earth or mars has a larger gravit…
Earth has a larger gravity. Because, when comparing the masses \(M_{Earth}=6\times 10^{24}\text{ kg}=60\times 10^{23}\text{ kg}\) and \(M_{Mars} = 6.39\times 10^{23}\text{ kg}\), …
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practice directions: answer the following questions using your knowledg…
Earth has a larger gravity. Because according to the formula \(g = G\frac{M}{r^{2}}\) (where \(g\) is the acceleration due to gravity, \(G\) is the gravitational constant, \(M\) i…
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7. uranium - 235 has to be processed into fuel pellets before being pla…
7. B. True 8. B. Uncontrolled fission reactions
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water flows in one direction. water contains less than one percent salt…
B. River
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an estuary is where... a lake flows into a pond a river flows into an o…
B. A river flows into an ocean
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saltwater and freshwater mix. marsh grasses grow. shellfish, birds, and…
Estuary
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what was a problem created by the articles of confederation? it forced …
It allowed the government to spend too much money and cause debt.
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which of the following animals can be found in an estuary? jellyfish se…
crabs and oysters
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water moves by waves, tides and currents. water contains dissolved salt…
B. Marine
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which of the following has the lowest salinity? marine ocean estuary la…
Lake
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practice a pairs. complete the sentences. use the names of the parts of…
1. brain 2. lungs 3. heart 4. veins 5. esophagus 6. stomach 7. small intestine 8. liver 9. kidneys 10. bladder 11. large intestine 12. pancreas 13. bones 14. joint 15. muscles 16.…
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in which situations is heat flow present? check all that apply. a subst…
One substance transfers some of its thermal energy to another substance, Two substances differ in temperature.
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what kind of plant can you find in an estuary? seaweed, kelp mangrove t…
Mangrove Tree, Eelgrass
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the loudness of sound is determined by the ____ of sound waves. a recor…
d. intensity
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which of the following animals can be found in an estuary? jellyfish cr…
crabs and oysters
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what is the effect of distance on the loudness of sound? a as distance …
d. As distance from the sound source increases, the loudness of the sound decreases
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water flows in one direction. water contains less than one percent salt…
B. River
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which of the following statements is correct? density of ice is always …
Density of ice is lower than density of water
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what happens to the intensity of sound as the distance from the source …
d. It decreases
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saltwater and freshwater mix. marsh grasses grow. shellfish, birds, and…
Estuary
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an estuary is where... an ocean flows into a lake a lake flows into an …
A river flows into an ocean.
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water moves by waves, tides and currents. water contains dissolved salt…
Marine
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what happens to the heat when water vapor (gas) results into droplets o…
heat is released
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5. custom creations has a consistent cost rate per mug and per pen and …
20 mugs and 80 pens
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which of the following has the lowest salinity? ocean marine lake estua…
Lake
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on april 20, 2002, an earthquake struck northern new york state near th…
1. Plattsburgh, NY 2. Plattsburgh, NY was closer to the epicenter. 3. Richter magnitude measures energy (instrument - based, single value), MMI is based on variable local factors …
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the us customary unit of heat is btu joule calorie newton
BTU
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your medical practitioner has advised you to take up a diagnostic test.…
III alone
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the of sound refers to how loud or soft a sound seems to a listener. ch…
volume
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question 9 points 1 1 rem = 10 sv 0.01 sv 0.01 gy 10 gy
\(0.01\space Sv\)
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intensity is a measure of a sound waves a energy. b wavelength. c frequ…
A. energy
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people need peat because its a source of fuel. they remove it from bogs…
People find bog bodies when they dig up peat for fuel.
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question 7 points 2 what is the daughter nucleus of pt - 199 after a be…
Au - 199
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the loudness of sound is determined by its. this depends on two factors…
intensity
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____ refers to how a listener perceives the intensity of sound. enter t…
Loudness
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which are ways to improve the design of this experiment? check all that…
Increase the sample size from 6 cups to 12 cups of sand and water; Use more precise digital thermometers; Use more precise scales that measure to the hundredth of a gram.
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which are potential sources of error in the experiment? check all that …
estimating temperature to the nearest tenth of a degree, estimating the mass of the sample to the nearest tenth of a gram, estimating the thickness of the foam cups, the position …
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a 50 g sample of an unknown metal is heated to 90.0°c. it is placed in …
\(0.64\)
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use the excerpt to answer the question. how might the writer have conve…
Rather than mentioning that speakers at the rally told jokes, the writer might have included a few jokes in the text to better convey the emotion of the moment.
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use this chart showing the different specific heat of various materials…
- The material with the highest specific heat is water. - The material with the lowest specific heat is lead. - The material that can absorb twice as much heat as aluminum (same m…
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in an experiment, 50 g of each material were placed in a calorimeter wi…
Different materials have different abilities to transfer energy.
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engineering technology use the information below to answer the question…
optimizing spatial utilization and devising strategic plans
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engineering technology use the information below to answer the question…
to encourage students interested in pursuing engineering careers
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engineering technology use the information below to answer the question…
fine - tuning processes and augmenting productivity
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engineering technology use the information below to answer the question…
3D imaging
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the intensity of sound depends on which of the following? select all th…
B. Frequency of the sound waves produced by the sound source. C. Distance the sound waves have traveled from the sound source. D. Amplitude of the sound waves produced by the soun…
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which sound is considered to be extremely loud? chart of noise sources …
B. lawn mower
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what is the unit of intensity of sound? a hertz b ohm c decibel d ampere
C. decibel
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context quick check what is personification? (1 point) a figure of spee…
when an animal, object, or idea is given human characteristics
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to a listener, the doppler effect is perceived as a change in the _____…
pitch
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as the frequency of sound waves gets lower, a listener perceives the so…
B. FALSE
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a police car is speeding north with its siren blaring. the sound waves …
A. north of the car.
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if you are standing a few blocks north of the police car with its siren…
d. The siren’s pitch gets higher.
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sodium-22 undergoes positron emission as shown: 22/11 na → 22/10 ne + 0…
\(1.13\)
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which of the following are true about the direction of sound waves in r…
A. Sound waves from a moving source travel outward in all directions. B. Sound waves get bunched up in front of the moving source. C. Sound waves spread out behind the moving sour…
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which of the following are true about the pitch of sound in relation to…
B. Sound waves with a higher frequency produce sound with a higher pitch, C. Sound waves with a lower frequency produce sound with a lower pitch.
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which of the following are true about the doppler effect? select all th…
B. The Doppler effect can occur when the listener is moving and the source of sound is stationary. C. The Doppler effect can cause the pitch of a sound to change. D. The Doppler e…
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which of the following statements is true? a system interacts with the …
A. A system interacts with the surroundings in the universe.
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which of the following are true about the listeners perception of sound…
A. As a car speeds away from a listener, the sound waves get farther apart, decreasing their frequency and the pitch of the sound. D. As a car approaches a listener, the sound wav…
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multiple select question select all that apply which of the following a…
B. antagonistic, C. permissive, E. synergistic
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multiple select question select all that apply what are the two main jo…
to make sure laws are enforced fairly, to interpret laws
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isaac wants to make smores. he holds a marshmallow on a metal skewer ov…
Thermal energy in the form of heat moved from the fire to the skewer and marshmallow.
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question 2 of 10 a scientist attends an annual conference hosted by the…
D. Keynote address
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which of the following is a negative impact of increasing human populat…
A. increase in number and strength of diseases
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read the passage from a new astronomy, by david todd from polaris a lin…
B. facts and statements
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an architect is building an underground storage of gasoline for a new g…
an impervious material
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this quiz will assess your understanding of the assigned reading. quizz…
Networking Systems
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question 8(multiple choice worth 4 points) (05.05 mc) which of the foll…
A solar flare as it may harm satellites and aircrafts flying near poles.
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which of the following is the best reason to rest muscle groups between…
C. It allows the muscles time to heal.
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in the blank spaces below, place the topic sentences that best support …
Fitness tests do not give students an accurate measure of their physical health. Individual fitness tests create a competitive environment for students that inhibits their ability…
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what happens during heat transfer? heat always flows from warm to hot. …
Heat always flows from warm to cool.
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the particles of an ice cube at 0°c (represented by the blue circles) c…
The diagram with \(37^{\circ}C\) on the left (representing Juan's hand) and \(0^{\circ}C\) on the right (representing the ice cube) and an arrow pointing from the \(37^{\circ}C\) …
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when you use your computer to access the internet, your computer itself…
IP address.
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select the passage that has a more captivated tone. the elliptical gold…
The first passage (The elliptical golden object...like some preposterous dance.)
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consider this situation: a force is applied to a box to move it to the …
Normal, Gravity, Applied, Friction, Air Resistance.
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question 6 1 pts fill the blank: hint: you should find the answer by re…
Vector
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the earth is over 4.5 billion 9 billion 8.6 million 953,735
4.5 billion
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which of the following do scientists know and agree on? choose all that…
Plates continue to move today, Plates have moved in the past, The cause of plate motion.
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scientists know all there is to know about plate tectonics. true false
B. False
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is evidence that solid rock can flow when it has been subjected to very…
Metamorphic rock
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earths plates move on the surface of the earth by gliding on the soften…
mantle
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debes introducir la pieza de trabajo en la hoja de la sierra de cinta a…
- Primera pregunta: Lento - Segunda pregunta: Guía el tablero sobre la mesa y la valla - Tercera pregunta: Patada hacia adelante
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mintu wants to increase the heat transfer between a metal iron and anot…
Mintu should have chosen a material with a lower specific heat.
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climate dynamics, weather patterns, and more actions nearly all occur i…
the troposphere
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question 9(multiple choice worth 4 points) (05.01 mc) the table below c…
Z is present outside the solar system.
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select the correct answer. what would likely have happened to earth if …
It would still have atmospheric water but no oceans.
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question 8 points 1 what happens when a conical flask containing hot wa…
The conical flask exchanges heat energy with its surroundings.
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a girl moves away from a source of sound at a constant speed. compared …
d. Lower