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What happens to the volume of a gas when the temperature is decreased?a The volume decreases. b The mass decreases. c The volume
1. 1 answer
2. 59 views
The half-life for a 100-gram sample of radioactive element X is 5 days. How much of element X remains after 10 days have passed?
1. 1 answer
2. 113 views
Match each description to the correct type of bond.Column A 1. : 2. A bond in which electrons are transferred from one atom to
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2. 103 views
How many oxygen atoms are in the compound below:a 8 b 2 c 6 d 4
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2. 54 views
Question 21A student looks up an element on the periodic table. The table says that the atomic number of the element is 12 and
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2. 154 views
Name that Newtonian law.Newton: egomaniac or troubled genius? – Physics World A hockey puck slides on ice. a Newton's First
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2. 215 views
Question 17Name that Newtonian law. Newton: egomaniac or troubled genius? – Physics World You exert a net force of 4 N to the
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2. 143 views
The weight of this pony on Earth is 1960 NShetland Pony Breed Profile - Helpful Horse Hints How much will the pony weigh on
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Question 15On Earth - your weight will change depending on ______. a fig newtons b the weather c your mass
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What is weight?Why Can't I Lose Weight? 11 Weird Reasons for Unexplained Weight Gain a The force exerted on a body by gravity. b
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2. 88 views
Dansby Swanson hits a ball with a force of 5 N. What force does the bat experience?Braves: Dansby Swanson on his way to proving
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2. 110 views
Two bodies in contact experience forces in ________.a Same direction b Five different directions c Opposite directions d
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2. 112 views
According to Newton's Third Law, if a hammer puts a force of 200 N on a nail, how much force does the nail put back on the
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2. 125 views
What do force diagrams show?(1 point) Responses the mass of forces acting on an object the mass of forces acting on an object
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2. 227 views
Two objects with the same mass have the same force applied to them. What can be said of their acceleration?(1 point) Responses
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2. 63 views
A force of 30 N to the right is applied to an object. An opposite force of 20 N to the left is applied to the same object. What
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2. 87 views
When inflating a balloon, which of the following represents an equal but opposite force acting on the balloon?(1 point)
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2. 240 views
When someone jumps down on a trampoline, that person is propelled upwards. Choose the best statement describing how this
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2. 139 views
In The Call of the Wild, would this new theory have worked for Buck? Why or why not? (Use examples from the novel as support.)
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2. 106 views
Listen to the following audio clip. You may listen to it as many times as you need to answer the following questions. The
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2. 121 views
Which of the following is written correctly in Spanish?(1 point) Responses Él escriben Él escriben Tú escribo Tú escribo Yo
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2. 114 views
Which of the following is written correctly in Spanish?(1 point) Responses Ella comprendo Ella comprendo Ellas comprenden Ellas
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2. 60 views
Which of the following is written correctly in Spanish?(1 point) Responses Tú bebes Tú bebes Nosotros bebimos Nosotros bebimos
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2. 86 views
Which of the following is written correctly in Spanish?(1 point) Responses Yo comes Yo comes Nosotros cocmemos Nosotros cocmemos
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2. 78 views
Which of the following is written correctly in Spanish?(1 point) Responses Nosotros compartemos Nosotros compartemos Ella
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2. 129 views
está estoy estáis estás están estamos La mochila ________ encima del escritorio.está estoy estáis estás están estamos Yo
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2. 120 views
está estoy estáis estás están estamos La mochila ________ encima del escritorio. está – La mochila ________ encima del
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2. 62 views
Choose the indefinite article that would best match each of these words in Spanish.(4 points) posters chair windows pencil un
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2. 89 views
Choose which definite article matches each of the following nouns.(4 points) computadoras libro relojes mesa el computadoras –
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2. 90 views
To use a computer, you could use all of the following EXCEPT:(1 point) Responses el ratón el ratón el sacapuntas el sacapuntas
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2. 81 views
Which of the following items would NOT go in la mochila?(1 point) Responses la hoja de papel la hoja de papel el bolígrafo el
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2. 102 views
Which of these foods is made with rice?(1 point) Responses asado asado sopa de pollo sopa de pollo tamales tamales paella
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2. 89 views
Argentinians prefer mate, which is a type of:(1 point) Responses sandwich sandwich soup soup tea tea dessert
1. 1 answer
2. 72 views
Choose the vocabulary item that does not belong.la clase al lado de detrás de encima de
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2. 66 views
Choose the vocabulary item that does not belong.(1 point) Responses la clase la clase al lado de al lado de detrás de detrás
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2. 62 views
Which country has a national Ceviche Day?(1 point) Responses Honduras Honduras Perú Perú México México España
1. 1 answer
2. 126 views
Question In each of three trials of an investigation, a single force is applied to a mobile. Each time, the mobile acquires a
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2. 97 views
The Invitation Before school, Michelle arrived at her locker outside Mrs. Harper’s English class. Just inside the door Aisha
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2. 135 views
According to Newton’s First Law of Motion, an object in motion will stay in at the same speed and direction unless acted upon
1. 1 answer
2. 108 views
What achievement revealed Bernardo Alberto Houssay's intelligence as a boy? (1 point) Responses He wrote his first book before
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2. 344 views
A recycling center began tracking the number of tires donated each day. At the end of the first day of their new tracking
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2. 122 views
An arithmetic sequence has a common difference of zero. The thirty-eighth term of the sequence is 2.1. What is the eighty-fifth
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2. 173 views
Which of the following patterns is an arithmetic sequence?%C2%A0You may choose more than 1 answer.(2 points) Responses
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2. 74 views
Hank is going from classroom-to-classroom and asking students to sign up for his streaming service called Fetch. He charges each
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2. 241 views
Given the explicit formula, find the 7th term.an = −3 + (n − 1)5 Responses 32 32 27 27 30 30 42
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2. 73 views
Select all representations for the domain of a function given by time passed since your last meal.Responses {x| x≥0} {x|
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2. 86 views
Given the explicit formula: a5= 8 + (5 − 1)3What is the common difference? Response area What is the initial term? Response
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2. 277 views
Given the Recursive Formula:a1 = 10 a7 = a6 + 4 What is the common difference? Response area What is the initial term? Response
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2. 125 views
Which function gives the correct recursive formula for the sequence?10, 7, 4, 1, −2, −5 Responses a1 = 10; an = an −1 + 3
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2. 79 views
Given the following nuclear reaction:224/88 Ra ----> 4/2 He + a/z X Column A 1. What is the atomic mass of the new atom?: What
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2. 81 views
Given the following nuclear reaction:252/99 Es ----> 0/-1 e +a/z X Column A 1. What is the atomic mass of the new atom?: What is
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2. 82 views
Given the following nuclear reaction:251/98 Cf ----> 0/0 Y + a/z X Column A 1. What is the atomic mass of the new atom?: What is
1. 1 answer
2. 73 views
Given the following nuclear reaction:223/87 Fr ----> 0/-1 e + a/z X Column A 1. What is the atomic mass of the new atom?: What
1. 1 answer
2. 140 views
Given the following nuclear reaction:247/96 Cm ---> 4/2 He + a/z X Column A Column A 1. What is the atomic mass of the new
1. 1 answer
2. 91 views
Given the following nuclear reaction:Column A Column A 1. What is the atomic mass of the new atom?: What is the atomic mass of
1. 3 answers
2. 113 views
Technetium-99m is a radioactive isotope commonly used in medicine as a radioactive tracer. A radioactive tracer is an isotope
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2. 117 views
Compared to an ordinary chemical reaction, a fission reaction will:a absorb a larger amount of energy. b release a smaller
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2. 94 views
Which of the following BEST describes what occurs in a fusion reaction?a Electrons are shared between the nuclei. b A chemical
1. 1 answer
2. 112 views
Chemical equations must be balanced becausea the mass of the reactants is always greater than the mass of the products. b the
1. 1 answer
2. 88 views
Match the nuclear reaction to its description.Column A 1. Forms two lighter nucleus: a Forms two lighter nucleus 2. Forms one
1. 1 answer
2. 87 views
The element in the missing box is . (Use the symbol from the periodic table, not the whole name.)Blank 1:
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2. 87 views
If the following element undergoes alpha decay, which element does it change into?a Uranium (U) b Francium (Fr) c Radium (Ra) d
1. 1 answer
2. 80 views
Match the particle to its description.Column A 1. Relatively large particle: Relatively large particle 2. This particle cannot
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2. 94 views
The amount of time it takes for half of a sample to disappear is:a fusion b fission c half-life d nuclear chemistry
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2. 75 views
The half-life for a 100-gram sample of radioactive element X is 5 days. How much of element X remains after 10 days have passed?
1. 1 answer
2. 124 views
Sodium-24 has a half-life of approximately 15 hours. If only one-eighth of the sodium-24 remains, about how much time has
1. 1 answer
2. 74 views
Which of the following will increase the rate at which a solute dissolves?%C2%A0(Select all that apply.) a decreasing surface
1. 1 answer
2. 105 views
What will you be using for your atoms in this lab?(We want to know which one you were able to use for this lab) Word Bank:
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2. 69 views
What made the specific candy a good example?a The candy is easy to clean up after the lab. b The candy has two sides to
1. 1 answer
2. 101 views
Why were candies used for this lab? (Replace the word “candy” with whatever you chose to use)a Candy simulates how atoms
1. 1 answer
2. 165 views
Which is the BEST definition of Half-Life? a The half-life of a substance or element is the amount of energy it takes for all of
1. 1 answer
2. 122 views
Which best describes dinner (la cena) in the Spanish-speaking world compared to dinner in the U.S.? (1 point) Responses earlier
1. 1 answer
2. 193 views
Complete the sentence: ___ compartimos el arroz con leche. (1 point) Responses Nosotros Nosotros Yo Yo Ustedes Ustedes Ellos
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2. 309 views
Complete the sentence: Ellos ___ a las ocho. (1 point) Responses comemos comemos como como coméis coméis comen
1. 1 answer
2. 223 views
Match the term with the description.(3 points) Put responses in the correct input to answer the question. Select a response,
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2. 93 views
A neutron strikes an atom of uranium-235 to start a fission reaction. A student expresses this situation as
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2. 111 views
The element radium has a mass number of 226 and an atomic number of 88. How many neutrons does an atom of radium have?(1 point)A
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2. 107 views
The list shows three substances and their chemical natures.Substance Chemical Nature milk of magnesia basic distilled water
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2. 129 views
The graph shows the solubility curve of an unknown substance.Which BEST describes the solution at point C? A. saturated B.
1. 1 answer
2. 125 views
Sofia was sitting by the window in her favorite old rocking chair, which she'd loved relaxing in since she was a child. Now, at
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2. 210 views
1 Austin reached into his backpack to make sure that it was there. He wasn’t sure he needed his inhaler, but he was checking
1. 2 answers
2. 89 views
) The old, dilapidated cabin slumbered under a blanket of dry, dead leaves. (2) The cabin windows were all dirty. (3) Large
1. 1 answer
2. 94 views
In the article "Fight or Flight- The Evolution of Stress," which quote BEST explains what happens when the dangerous or
1. 1 answer
2. 91 views
Multiple Choice QuestionAccording to the passage, "Fight or Flight- The Evolution of Stress," which sentence BEST shows the way
1. 1 answer
2. 118 views
Which of the following shows the BEST way to combine the two fragments below using correct capitalization AND punctuation?With a
1. 1 answer
2. 211 views
Is the relationship graphed a function or not a function? (1 point) Responses Yes, it passes the vertical line test. Yes, it
1. 1 answer
2. 102 views
Read the given scenarios. Determine if it is a function or not a function.(1 point) Function Not a Function Input is Student ID
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2. 108 views
Which of the following relationships%C2%A0are functions?(1 point) Responses (-1, 3),%C2%A0(-4, 3),%C2%A0(-2, 3),%C2%A0(0, 3)
1. 1 answer
2. 67 views
Is the relationship shown in the table a function? x f(x) 3 2 0 1 5 -7 -3 2 %C2%A0 (1 point) Responses No, there are multiple
1. 1 answer
2. 164 views
the concentration, increases the reaction rate.Word Bank: IncreasingDecreasing Blank 1:
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2. 67 views
The powder had greater surface area than the tablet, therefore had more area to react faster.True False
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2. 114 views
Watch this video, which glass had the faster reaction rate?a The glass with the vitamin added as a whole tablet b The glass with
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2. 122 views
Hydrochloric acid and Sodium thiosulfate produce a precipitate. Watch this video and answer how does INCREASING the
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2. 112 views
the temperature, increases the reaction rate.Word Bank: IncreasingDecreasing Blank 1:
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2. 74 views
If we cooled down the vinegar to almost freezing before adding the baking soda, the reaction rate would increase and the
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2. 226 views
If the water product is formed with the hydrogen ion from the acids, what ion do the bases donate to form H₂O, water?a H- b
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2. 79 views
Which of the following was NOT one of the observations from the labs that indicated a chemical reaction was occurring?a bubbles
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2. 216 views
As both these experiments take acids and bases and form neutralized compounds, would the hydrochloric acid (HCl) and the
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2. 116 views
The fizzing that is seen when an Alka-Seltzer tablet is dropped in acid is the same sort of fizzing reaction that can be seen
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2. 79 views
What would happen with the lab IF we warmed up our hydrochloric acid (HCl) before doing the experiment?a The rate of the
1. 1 answer
2. 219 views

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