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meli

Questions (98)

Use the image below to answer the question that follows.What does the number 6 represent in this symbol?Responsesmass numbermass
1. 0 answers
2. 14 views
QuestionWhich shapes appear in this artwork? Choose all answers that are correct. Responses rectangle rectangle square square
1. 1 answer
2. 292 views
Because many others have described the disillusionment they felt, the humiliation of the crude conditions, I will omit my
1. 1 answer
2. 23 views
At the time of the mass evacuation of all American Japanese from the West Coast, I was a 19 year old secretary to the principal
1. 1 answer
2. 21 views
At the time of the mass evacuation of all American Japanese from the West Coast, I was a 19 year old secretary to the principal
1. 1 answer
2. 28 views
[In Chicago church groups] I asked the people to give the unfortunate victims of wartime hysteria an opportunity to resume their
1. 1 answer
2. 21 views
Because many others have described the disillusionment they felt, the humiliation of the crude conditions, I will omit my
1. 1 answer
2. 20 views
At the time of the mass evacuation of all American Japanese from the West Coast, I was a 19 year old secretary to the principal
1. 1 answer
2. 35 views
At the time of the mass evacuation of all American Japanese from the West Coast, I was a 19 year old secretary to the principal
1. 1 answer
2. 24 views
[In Chicago church groups] I asked the people to give the unfortunate victims of wartime hysteria an opportunity to resume their
1. 1 answer
2. 16 views
Question 1Identify the inequality that represents the situation. Jason has $20 to spend at Sonic. He wants a large blue
1. 1 answer
2. 17 views
Complete the equation to create an equation with Infinitely Many Solutions. 5(3x - 4) = 4 + Choose...x + Choose...
1. 1 answer
2. 19 views
Complete the equation to create an equation with One Solution. 5(3x - 4) = 4 + Choose...x
1. 1 answer
2. 17 views
Complete the equation to create an equation with No Solution. 5(3x - 4) = 4 + Choose... x
1. 1 answer
2. 20 views
Solve the inequality for x.−4x + 3 ≤ 15
1. 1 answer
2. 17 views
Question 1Solve the inequality for x. 2/3x + 3 < 9
1. 1 answer
2. 18 views
Select the new equation formed after collecting all variables on one side of the equal sign. (There is more than 1 correct
1. 1 answer
2. 25 views
Select the new equation formed after collecting all variables on one side of the equal sign. (There is more than 1 correct
1. 1 answer
2. 23 views
2 of 42 of 4 Items00:38QuestionWhich statement is an inference?ResponsesAA thermometer shows that the air temperature is 56°A
1. 1 answer
2. 22 views
What is the difference between a scientific theory and a scientific law?ResponsesATheories are upgraded into laws once they are
1. 1 answer
2. 41 views
If a theory is challenged by new evidence, which of the following could occur?ResponsesAThe theory could be altered (changed)The
1. 1 answer
2. 18 views
Which statement best defines a universal law?ResponsesAIt is in effect some of the timeIt is in effect some of the timeBIt
1. 1 answer
2. 29 views
During a sunny afternoon, the sun suddenly seems much less bright than usual. The daylight seems much less intense, as if there
1. 1 answer
2. 26 views
Ellie conducts an investigation to determine if size or weight affect how fast objects fall. Her investigation includes
1. 1 answer
2. 22 views
A scientist found that a Petri dish from an experiment had not been cleaned several days earlier. In the dish, she discovered a
1. 1 answer
2. 22 views
Scientists often try to repeat each other’s results. Which of the following should a scientist do to make it easier for others
1. 1 answer
2. 38 views
The data table below shows the yield of vegetables in a school's garden for three years. The yield is the number of pounds of
1. 1 answer
2. 36 views
Which statement is an inference?ResponsesAA thermometer shows that the air temperature is 56°A thermometer shows that the air
1. 1 answer
2. 22 views
A farmer wants to find out which type of soil is best for growing his corn. He also wants to find out which type of fertilizer
1. 1 answer
2. 24 views
A farmer wants to find out which type of soil is best for growing his corn. He also wants to find out which type of fertilizer
1. 1 answer
2. 18 views
A student wants to find out if temperature affects the behavior of goldfish. He has four fish bowls and 20 goldfish. Which of
1. 1 answer
2. 23 views
An experiment is conducted to determine how the arm length of a pendulum (see the image below) affects the amount of time it
1. 1 answer
2. 25 views
An experiment is conducted to determine how the arm length of a pendulum (see the image below) affects the amount of time it
1. 1 answer
2. 22 views
A student set up the experiment shown below to determine if radish seeds take in oxygen as they germinate. Methylene blue is a
1. 1 answer
2. 23 views
A student conducts an experiment to test how the temperature affects the amount of sugar that can dissolve in water. In the
1. 1 answer
2. 32 views
A student conducts an experiment to test how the temperature affects the amount of sugar that can dissolve in water. In the
1. 1 answer
2. 30 views
Question 3 (2 points)Saved Select the statements below that are observations. Question 3 options: The drought is causing the
1. 1 answer
2. 21 views
Select the statements below that are inferences.Question 4 options: The drought is causing the elephant population to go down.
1. 1 answer
2. 23 views
Match the correct term to the best descriptionQuestion 5 options: laws theories 1. describe phenomena 2. explain how and why
1. 1 answer
2. 28 views
What are scientific theories based on?Question 6 options: large amounts of data collected over time observations from within
1. 1 answer
2. 27 views
Laws and theories both depend on these steps of the scientific method:Question 8 options: testing conclusion all of these
1. 1 answer
2. 20 views
What is something a scientific law and a scientific theory have in common?Question 7 options: Both are backed up by evidence and
1. 1 answer
2. 28 views
Solve for m.92≥m/–5+88
1. 1 answer
2. 15 views
Solve for d.d/17–2≤1
1. 1 answer
2. 14 views
Solve for s.s/–1+4≥–3
1. 1 answer
2. 16 views
Solve for w.–2–w>6
1. 1 answer
2. 14 views
Solve for f.4<9–f
1. 1 answer
2. 16 views
Solve for m.7≤–1–m
1. 1 answer
2. 15 views
Solve for h.–5h–7<3
1. 1 answer
2. 15 views
Solve for r.r/3+2≥3
1. 1 answer
2. 15 views
Solve for b.13–b<7
1. 1 answer
2. 18 views
Solve for g.g/-2+12>11
1. 1 answer
2. 13 views
Solve for f.4–(-2f)≥–4
1. 1 answer
2. 13 views
Solve for z.6≥–1–z
1. 1 answer
2. 15 views
What is one central idea of I Know Why the Caged Bird Sings?Responses There is no sense dreaming about the future when you are
1. 1 answer
2. 26 views
A student is using a weak computer to design a logo. If the weak computer is the only constraint, should the student use the
1. 1 answer
2. 190 views
Which forms of electromagnetic radiation are arranged in order of increasing energy?(1 point) Responses infrared, gamma rays,
1. 1 answer
2. 266 views
Which statement about the effect of temperature on the speed of sound is correct?(1 point)Responses As temperature increases,
1. 1 answer
2. 144 views
Which statement regarding sound traveling in air is correct?(1 point) Responses A loud sound travels faster than a quiet sound.
1. 1 answer
2. 258 views
A sound has a higher pitch than a bell. Which quantity must also be higher in this sound than in the bell?(1 point)Responses
1. 1 answer
2. 197 views
Which combination of frequencies would produce the lowest beat frequency?(1 point)Responses 500 Hz and 600 Hz 500 Hz and 600 Hz
1. 1 answer
2. 166 views
What happens to sound waves from an object as it moves toward you?(1 point)Responses The pitch gets lower because of an increase
1. 1 answer
2. 115 views
Which option best describes the speed of light?(1 point)Responses The speed of light is an absolute quantity. It varies based on
1. 1 answer
2. 208 views
How do electromagnets cause a maglev train to levitate above the track? (1 point)Responses Magnets in the sides of the tracks
1. 1 answer
2. 258 views
Students build four electromagnets and test them by picking up metal tacks. Here are their partial results.12 coils 4 tacks 24
1. 96 answers
2. 387 views
How does the structure of atoms in a substance determine the substance’s conductivity?(1 point)Responses If an atom’s outer
1. 1 answer
2. 645 views
Which pair of objects will have an attractive electric force?Pair Object 1 Charge Object 2 Charge A -2 -1 B -3 +1 C +3 +1 D +1
1. 1 answer
2. 222 views
Which scenario shows radiation?(1 point)Responses Eggs boil in a pot of water. Eggs boil in a pot of water. The air under a
1. 1 answer
2. 696 views
What is the relationship between heat and thermal conductors?(1 point)Responses Thermal conductors have no effect on heat.
1. 3 answers
2. 309 views
What is the best description of heat?(1 point)Responses the measure of the average kinetic energy of the particles in an object
1. 1 answer
2. 168 views
Which statement describes a difference between plasmas and gases?(1 point)Responses Plasmas are affected by magnetic fields, but
1. 1 answer
2. 202 views
What happens when thermal energy is applied to water?(1 point)Responses The water creates steam as soon as thermal energy is
1. 1 answer
2. 240 views
Which of the following factors would decrease the magnetic field strength of an electromagnet?(1 point)Responses increasing the
1. 1 answer
2. 167 views
A bar magnet is held in place while another bar magnet is placed near it. The second bar magnet spins around and attaches to the
1. 1 answer
2. 175 views
When two charged particles are moving toward each other, their velocities decrease until they eventually come to a stop. What
1. 1 answer
2. 233 views
Where do the forces that make atoms interact come from?(1 point)Responses from the electric fields of neutral subatomic
1. 1 answer
2. 170 views
How much more kinetic energy does a 6-kilogram bowling ball have when it is rolling at 16 mph (7.1 meters per second) than when
1. 1 answer
2. 390 views
Which student is using innovative problem-solving to investigate potential energy and kinetic energy?(1 point)Responses Lisa
1. 1 answer
2. 625 views
Which sentence best describes a self-directed learner?(1 point)Responses She makes sure to complete all class projects and
1. 1 answer
2. 665 views
A soccer ball and bowling ball, with the same areas and different masses, are dropped at the same time. How will their motions
1. 1 answer
2. 269 views
A soccer ball and bowling ball, with the same areas and different masses, are dropped at the same time. How will their motions
1. 1 answer
2. 205 views
The gravitational force of a lunar rover is 1,607.2 Newtons on Earth. What will the rover’s gravitational force be on the
1. 1 answer
2. 450 views
A team of students builds a lever as a science project. They expend 10,300 Joules of energy to lift some bricks with the lever.
1. 40 answers
2. 740 views
Gardeners would need to use 960 Newtons of force to lift a potted tree 45 centimeters onto a deck. Instead, they set up a lever.
1. 46 answers
2. 1,443 views
What is the advantage of class 3 lever?
1. 1 answer
2. 107 views
A mechanic wants to use a compound pulley to lift a go-kart from the ground to work table, a distance of 1.2 meters. Without the
1. 1 answer
2. 453 views
A force of 30 N is applied to a ball, and it takes the ball 1.5 seconds to travel 4 meters. What is the work done on the ball?
1. 1 answer
2. 281 views
What is the function of the core of an electromagnet?(1 point)Responses The core provides the conductor through which electric
1. 3 answers
2. 1,153 views
Hal makes an electromagnet with a 9-volt battery, wire, and a steel rod. What is the function of electric current in his
1. 3 answers
2. 795 views
Which of the following best describes an electric circuit that powers a load?(1 point)Responses Electric current flows from an
1. 1 answer
2. 530 views
Which is an example of a load in an electric circuit?(1 point)Responses wiring wiring speaker speaker 9-volt battery 9-volt
1. 1 answer
2. 436 views
What happens when a cold spoon is placed in hot soup?(1 point)Responses The soup’s molecules have more potential energy, so
1. 1 answer
2. 879 views
How does a heater in one corner of a fish aquarium warm the whole aquarium?(1 point)Responses The heater warms the glass of the
1. 1 answer
2. 323 views
What is the best description of the conclusion of a scientific investigation?(1 point)Responses The conclusion uses reasoning to
1. 3 answers
2. 402 views
Which scenario best describes a scientist who is studying thermal energy?(1 point)Responses She works with a team, telling each
1. 1 answer
2. 503 views
Why does an ice cube melt even in a cold glass of water?(1 point)Responses The ice cube is still colder than the water, so
1. 1 answer
2. 314 views
48,567 kilograms what is the mass of the boulder in metric tons
1. 1 answer
2. 1,071 views
what is the reduced fraction of 3 28/36
1. 1 answer
2. 447 views

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