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3 years ago

Which part of a scientific argument must be supported by valid data? claim evidence reasoning theory

2 answers:

7 0

This question is a bit ambiguous because all parts of a scientific argument must be supported by valid data. However, among the choices, the closest synonym to "valid data" would be evidence. Evidence is the body of facts or information that support a given idea.

kotegsom [21]3 years ago

6 0

Answer: Theory

Explanation: A claim is an interpretation based on the results of a given experiment, you first observe, and interpret the information.

Evidence is the valid data itself.

The reasoning is the approach or the "logic path" you used to reach some theory or claim.

The theory is an interpretation of the natural world, that explains why and or how some things work.

If we want to support a theory, we need to have some valid data that supports, at least, part of it, so the right answer here is theory.

Notice that claim also needs to be supported for valid data, but in the case of the claim you first get the data and then make the claim, and in the theory, the work is done in the other order.

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Match the vocabulary terms to their definitions.

DedPeter [7]

Answer:

Distance- The length along a path between two points .

Velocity- The rate and direction at which an object moves .

Displacement- The net change in position of an object .

Vector- A measurement that has both magnitude and direction .

Speed- Measure of the rate at which an object changes position .

Momentum- The mass of an object multiplied by its velocity.

Explanation:

Vector: A physical quantity having both magnitude and direction is called Vector quantity. Example: Displacement, Velocity, Acceleration, Force etc.

On the other hand , quantity having only magnitude is called Scalar. Example: Distance, Speed, Time, Current etc.

Distance: The totle length of path traversed by a body in certain time is called distance. It is scalar quantity as it has only magnitude. SI unit of distance is meter.

Displacement: It is defined as change in position of a body in given period of time. Actually it is the distance between initial and final position along with given direction. So it is vector quantity. SI unit is meter.

Speed: The rate at which distance is traveled with respect to time is called speed.It is scalar quantity. SI unit is meter/second.

$Speed=\frac{Distance}{Time}$

Velocity: It can be defined as rate of change in position or displacement with respect to time.It is vector quantity. SI unit is meter/second.

$Velocity=\frac{Displacement}{Time}$

Momentum: The amount of motion contain in a body is the momentum. It is defined as product of mass and velocity. It is vector quantity. SI unit is kg.meter/second

Momentum=Mass×Velocity

7 0

3 years ago

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HELP :). Explain how soaps lower the surface tension of the fats and oils ?

lubasha [3.4K]

Soap is a surfactant that contains hydrophobic or water-fearing and hydrophilic or water-loving ends that is used for cleaning dirt. These hydrophobic and hydrophilic properties are what causes the surface tension of the fats and oils to lower.

8 0

4 years ago

A seismograph located 1200 km from an earthquake detects seismic waves 5 minutes after the quake occurs. The seismograph oscilla

shepuryov [24]

To solve this problem we will apply the given relationship between wavelength, speed and frequency as well as the use of kinematic equations of motion description.

The wavelength is directly proportional to the speed and inversely proportional to the frequency, in other words,

$\lambda = \frac{v}{f}$

Where

v = Velocity

f = Frequency

Speed is not given but if the distance traveled in a certain time, that is

$v = \frac{d}{t}$

Replacing

$v = \frac{1200km}{5min}$

$v = \frac{240km}{min}(\frac{1min}{60s})(\frac{1000m}{1km})$

$v = 4000m/s$

Substituting this value at our first equation we have

$\lambda = \frac{v}{f}$

$\lambda = \frac{4000}{2}$

$\lambda = 2000m$

Therefore the wavelength of the seismic wave is 2000m

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4 years ago

Is brainly even trying anymore?

STALIN [3.7K]

Yes because it helps with my work

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4 years ago

What determines the number of possible sublevels?

Talja [164]

<h2>Hello!</h2>

The answer is A. the principal energy level

The principal energy level or principal quantum number n, tell us about the position of an determined electron in the energy levels relative to the greater average distance of an electron from the nucleus, the larger the value of n and the higher its energy.

The principal energy levels contains n sublevels, $n^{2}$ orbitals and $2n^{2}$ electrons.

For example, the number 1, has one orbital which is contained in a energy sublevel, its called s orbital, and it's just an orbital with 2 electrons.

Have a nice day!

7 0

3 years ago

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