物理
運動學、受力分析、電學與方程推導。
-
what is the mass of a small candy bar? select the better estimate. 40 k…
40 grams
-
what is the mass of a can of soup? select the better estimate. 500 gram…
500 grams
-
drag the right word to its definition a physical weight or an emotional…
burden
-
11 think about the information presented in the article. do you think b…
11. Bionics are likely to have positive effects on most people's lives. New prostheses can enhance human abilities, like a monkey controlling a robotic arm through thought. Also, …
-
1. what two forces caused the solar nebula to develop into the sun? 2. …
1. Gravity and angular - momentum conservation. 2. Smaller size, more numerous, less differentiated. 3. Gravitational compression, radioactive decay, impacts of planetesimals. 4. …
-
what is the mass of a skateboard? select the better estimate. 3 grams 3…
3 kilograms
-
question 25 of 25 a skydiver slows down from 65 m/s to 5 m/s by opening…
D. 80 m/s² up
-
what is the mass of a dinner fork? select the better estimate. 85 grams…
85 grams
-
question 24 of 25 a child rides her bicycle in her level driveway. what…
C. Kinetic
-
how long is the grand canyon? select the best estimate. 450 meters 450 …
450 kilometers
-
part 3: pros & cons (fill in the blank) fill in the blanks with the cor…
1. little to no pollution 2. nonrenewable, run out 3. weather - dependent 4. low CO₂ emissions, radioactive waste
-
question 23 of 25 how much force is required (in newtons) to accelerate…
150
-
5 drag the tiles to the correct boxes to complete the pairs. match each…
buildup of fluid in the inner ear → Ménière disease nearby objects appear clear, but distant objects out of focus → myopia the increase in pressure within the eye → glaucoma
-
part 2: matching match the energy source to the correct category. write…
Solar: R Coal: N Wind: R Natural Gas: N Hydropower: R Oil (Petroleum): N Geothermal: R Biomass: R Nuclear: N
-
question 22 of 25 sandy wants to know whether an item dropped into a fl…
B. The buoyant force is stronger than the force of gravity.
-
select the correct answer from each drop - down menu. what kind of infe…
First drop - down menu: fungal Second drop - down menu: antifungal (assuming common treatment for fungal infections)
-
question 21 of 25. a horse runs for 15 seconds to the south at a speed …
C. 180 m south
-
how long is a paintbrush? select the best estimate. 27 centimeters 27 m…
27 centimeters
-
select the correct answer. 62 - year - old violet visited her ophthalmo…
A. cataract
-
select the correct answer. which device do doctors use to detect the ey…
C. phoropter
-
question 20 of 25 which equation shows how to calculate the mass of an …
C. m = F/a
-
select the correct answer. which part is the middle layer of the wall o…
D. choroid
-
question 19 of 25. which of the following statements describes a perfec…
B. A magnet is thrown down at a moving car and sticks to it.
-
map: create a visual summary and analysis of this episode using the map…
John Adams: 1. Prudent, Stubborn 2. Affected foreign and domestic policies 3. Leadership traits impact nation - building Abigail Adams: 1. Emotional, Passionate 2. Influenced John…
-
question 18 of 25 for an isolated system, the sum of the kinetic and po…
B. always remains the same.
-
we have four different - colored liquids. the liquids do not mix, so th…
A. Blue, C. Red
-
test information description instructions multiple attempts this test a…
False
-
the image below shows a jar containing four different liquids, each a d…
The liquid(s) positioned below the yellow liquid in the jar.
-
5.12 exam: semester 1 exam which of these boxes will not accelerate?
C. Box C
-
what primary element of light helps the observer see three - dimensions…
D. shading
-
every individual getting a concussion demonstrates the same four sympto…
F
-
why are over - the - counter drugs often abused? they taste better than…
They are legal and easy to access.
-
helping individuals decrease their risk of lifestyle - related chronic …
a. True
-
the dri for adult men is different from the dri for children ages 4 thr…
a. True
-
choosing primarily nutrient - dense foods will help in calorie control.…
a. True
-
which of the following statements are supported by the information in t…
The scientists felt that saving American lives had to take priority in the war.
-
is this a complete sentence? engineers designed the car it runs on elec…
no
-
is this a complete sentence? engineers designed the car it runs on elec…
no
-
a whale is swimming due north at a speed of 30 miles per hour. just 5 m…
0 hours and 4 minutes
-
conversant means : emotionally purging without logical or meaningful co…
well informed about or knowing thoroughly
-
type the correct answer in the box. spell all words correctly. ronald w…
search engine
-
why would trying some of japans top military leaders for war crimes tri…
It would weaken the prestige of Japan's military.
-
18 mark for review ab f(t)=500(0.8)^t the function f models the intensi…
A. 500
-
read the passage from sugar changed the world. in the age of sugar, eur…
To reveal that the success of sugar came at a great human cost.
-
reflection: when the marble was released, it rolled down the ramp and t…
The marble got its energy from its initial height on the ramp (gravitational - potential energy). I say this because when an object is at a certain height in a gravitational field…
-
the way a drug affects an individual can depend on which characteristic…
the user's physical state, the quality of the drug, the method of intake
-
this is an excerpt from a letter written in 1559 by michele soriano abo…
1. To inform about economic - colonial relations and possibly advise authorities. 2. Enriched the monarchy; led to a shift towards using enslaved African labor. 3. Somewhat reliab…
-
would you rather pay less for electricity but use nonrenewable energy, …
I would rather pay a little more for electricity from renewable energy. Renewable energy sources like solar and wind are sustainable, meaning they won't run out. In contrast, non …
-
4 which sentence best shows a ligation of bioremediation? a \bioremedia…
B. "Bacteria 'eat' parts of oil."
-
calculating rebound force imagine you are an action - movie star who is…
2400 N
-
3 the word bioremediation most nearly means: a making oil b cleaning po…
B. Cleaning pollution with living things
-
the mass of the fully - inflated basketball is 0.6 kg and has a velocit…
$6\ kg\cdot m/s$
-
question 4 what state has the most oil and coal? a new york b texas c c…
C. Texas
-
would you rather have your house powered by wind turbines or natural ga…
I would rather have my house powered by wind turbines. Wind is a clean and renewable energy source. It helps in reducing carbon footprint and contributes to a sustainable future. …
-
would you rather live in a city powered by solar panels or by coal plan…
I would rather live in a city powered by solar panels because they are environmentally friendly, sustainable in the long - term, and contribute to better air quality and a healthi…
-
10. how many significant figures are in the measurement 800.07 m? (1 po…
# Explicación: ## Paso 1: Definir cifras significativas Las cifras significativas incluyen todos los dígitos no - cero y los ceros entre dígitos no - cero. ## Paso 2: Contar cifra…
-
9. digits in a measurement that consist of all the digits known with ce…
# Breve explicación: Los dígitos significativos en una medición incluyen todos los dígitos conocidos con certeza más un último dígito estimado. # Respuesta: A. significant figures
-
on release 1, a student releases a cart from the top of a ramp, such th…
Acceleration in release 2: 44.4 cm/s² Time in release 2: 1.84 s
-
8. how many significant figures are in the measurement 0.04604 l? (1 po…
# Explicación: ## Paso 1: Ignorar ceros iniciales Los ceros iniciales en un número decimal no son significativos. En 0.04604, los dos ceros iniciales no cuentan. ## Paso 2: Contar…
-
7. how many significant figures are in the measurement 85.10 g? (1 poin…
# Explicación: ## Paso 1: Comprender las reglas de cifras significativas Las cifras no - cero son siempre significativas. Los ceros entre cifras no - cero también son significativ…
-
6. how many significant figures are in the measurement 2000 g? (1 poi 1…
# Explicación detallada: ## Paso 1: Aplicar regla de ceros finales sin punto decimal Los ceros finales en un número entero sin un punto decimal no son significativos. En 2000 g, s…
-
5. how many significant figures are in the measurement 90.000 m? (1 poi…
# Explicación: ## Paso 1: Aplica reglas de cifras significativas Los ceros entre dígitos no - nulos son significativos, y los ceros después de la coma decimal y después de un dígi…
-
4. how many significant figures are in the measurement 0.0015 m? (1 poi…
# Explicación: ## Paso 1: Identificar reglas de cifras significativas Los ceros a la izquierda de un número no son cifras significativas. ## Paso 2: Contar cifras significativas E…
-
bart believes that mice exposed to microwaves will become extra strong …
11. The 10 non - microwave - exposed mice. 12. Exposure to microwaves. 13. The strength of the mice (ability to push the block). 14. Exposure to microwaves may have increased the …
-
read the passage. the 1807 embargo during the napoleonic wars between b…
The Embargo Act of 1807 was an unsuccessful response to Britain's and France's actions.
-
what kind of information is used to create a conceptual model? o direct…
direct observation, indirect evidence
-
the diameter of earth is about 8000 miles and the diameter of jupiter i…
about 54 cm
-
which of the following statements concerning models are correct? i. mod…
D. II and III only
-
which of these statements describe how geologists created a model of pa…
B. I and III only
-
mean ratings for patients after 21 days measure global improvement symp…
D. were higher for all three measures, indicating greater overall well - being for these participants.
-
for a health class project, christina tracked the number of hours she s…
7
-
apples are a type of fruit grown from trees. apple trees are grown on f…
d. Apples can vary based on their color, size, shape, and texture.
-
changes to vegetation cover and other human activities influence carbon…
B. It introduces an unresolved scientific question, presents a research team's hypothesis pertaining to that question, and then describes an observation made by the team that conf…
-
the following text is adapted from herman melvilles 1855 novel israel p…
A. It implies that Israel treasures a particular characteristic of his personality when that characteristic should usually be regarded as a flaw.
-
why are models often used to carry out experiments on a system? how doe…
Models are used because the actual system may be difficult to experiment on directly. A model is a simplified representation of the actual system, capturing its essential features…
-
what will a presenter do if several scientists find mistakes in the pro…
They will retract the theory and redo experiments and the analysis.
-
which of the following statements represent an accepted scientific theo…
I, III, and IV only
-
the main, or central, idea of the passage is working as a union scout a…
It describes how Tubman helped ensure the safety of the Union soldiers.
-
read the passage. harriet tubmans unsung heroism harriet tubman is famo…
Working as a Union scout and spy, Harriet Tubman played an important role in a Union Army raid.
-
why must a scientist be clear and complete when presenting the procedur…
To enable others to replicate the experiment accurately for verification and further scientific progress.
-
what part of the scientific process becomes the conclusion, or the best…
theory
-
what must be used by a scientist to confirm a hypothesis? o exaggeratio…
D. data
-
what characteristic is necessary for a hypothesis to be useful in a sci…
It must be testable.
-
1. note: objects a - c are floating in pure water and object d sank in …
A. $0.3\ g/cm^{3}$ B. $0.5\ g/cm^{3}$ C. $0.9\ g/cm^{3}$ D. $1.2\ g/cm^{3}$
-
why is it important for a scientist to publish a theory to get it accep…
Publishing enables peer - review and wider dissemination for validation and acceptance.
-
at which of these locations is a dietician least likely to work? school…
B. theater
-
identify the controls and variables smithers thinks that a special juic…
1. Group B 2. Special juice (presence or absence) 3. Number of stacks of papers made 4. The special juice did not increase productivity. 5. Increase sample size, repeat the experi…
-
the main, or central, idea of the passage is nearsightedness and farsig…
It contrasts the cause of farsightedness with that of nearsightedness.
-
the soup is 20 degrees celsius is an example of an inference. true false
False
-
nearsightedness and farsightedness nearsighted people experience blurre…
Nearsightedness and farsightedness produce contrasting vision problems, have opposite causes, and require different types of lenses.
-
which scenarios describe prescription drug abuse? check all that apply.…
Jaynie buys prescription drugs from a friend at school. Madeline takes one of her mother's prescription pain killers to help with a headache. Robbie takes twice as much of his pre…
-
what is the process of using one or more of your five senses to measure…
C. an observation
-
drag each label to the correct location on the diagram. each label can …
Starting from the sedimentary rock arrow pointing right: erosion & weathering From sediment arrow pointing left: erosion & weathering From igneous rock arrow pointing down - right…
-
question 3(multiple choice worth 1 points) (08.04 mc) amir pitches a ba…
4.64 seconds ### Question 4
-
meteorology is the study of the atmosphere and weather. meteorology als…
the weather of an area over a long period of time
-
newtons 3rd law of motion: forces come in pairs: for every force, there…
Frame 1: A person on a skate - board pushing against a wall. Frame 2: Action and reaction force arrows shown between person and wall. Frame 3: Person moving backwards on the skate…
-
the average temperature on the planet a is 168°c. convert this temperat…
334
-
select all the correct answers. which factors contribute to changing ig…
C. heat, E. pressure
-
a high temperature of 120°f was recorded in europe. convert this temper…
$49$
-
select the correct answer. the diagram shows the layers of earth. conve…
C. 3