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Scientific Method

The scientific method is the basis of scientific investigation. A scientist will pose a question and formulate a hypothesis as a potential explanation or answer to the question. The hypothesis will be tested through a series of experiments. The results of the experiments will either prove or disprove the hypothesis. This category should contain questions and answers regarding the scientific method.

4,392 Questions

Things that evaporate in water?

Substances that can evaporate in water include volatile liquids like alcohol, acetone, and gasoline. Additionally, some essential oils and fragrances can also evaporate in water. Overall, substances that have low boiling points tend to evaporate more easily in water.

Does air go through cloth or plastic faster?

Air generally goes through cloth faster than plastic. This is because cloth is usually more porous and allows for more airflow, while plastic is more likely to be a barrier to airflow due to its denser structure.

What is the method of action for carbenicillin?

Carbenicillin is a beta-lactam antibiotic that inhibits bacterial cell wall synthesis by interfering with the enzymes responsible for cross-linking peptidoglycan chains in the cell wall. This leads to cell wall weakening and eventual lysis of the bacteria.

The scientific approach assumes that?

The scientific approach assumes that phenomena in the natural world can be observed, measured, and explained through systematic and empirical methods. It is based on forming hypotheses, conducting experiments, and analyzing data to arrive at evidence-based conclusions.

What is the first step in downloading a filein data exchange?

The first step in downloading a file in data exchange is usually to locate the file you want to download on the platform or website. Once you find the file, you typically click on a download link or button to initiate the download process.

What is the order of convergence of false position method?

The false position method typically converges linearly, which means that the error decreases by a constant factor with each iteration. Additionally, the convergence rate can be influenced by the behavior of the function being evaluated.

What is the Data analysis of does the shape of an ice cube affect how quickly it melt?

To analyze how the shape of an ice cube affects melting time, you can conduct an experiment where you measure the time it takes for different shaped ice cubes to melt under controlled conditions. You would then compare the melting times of the different shapes to see if there is a significant difference. This data analysis will help you determine if the shape of an ice cube has an impact on how quickly it melts.

Is light from the sun the same thing as light from a light bulb?

Both sunlight and light from a light bulb are forms of electromagnetic radiation, but they are generated differently. Sunlight is natural light produced by the sun through nuclear fusion, while light from a light bulb is artificial and generated through electricity passing through a filament or gas. Both sources emit light that consists of a spectrum of wavelengths, but they may have different intensities and qualities.

How do you measure a 3-d box shaped solid?

To measure a 3D box-shaped solid, you will need to measure the length, width, and height of the box. Use a ruler or measuring tape to measure each side, and then multiply the length, width, and height together to find the volume of the box. Finally, you can measure the surface area by calculating the sum of the areas of all six sides of the box.

What type of injury is the price method used for?

The PRICE method is typically used for acute sprains and strains, which may include injuries to muscles, tendons, or ligaments. It stands for Protection, Rest, Ice, Compression, and Elevation, and is commonly recommended as a first aid treatment for these types of injuries to reduce pain and swelling.

Why do boys have shorter arms than girls?

Boys and girls do not inherently have different arm lengths based on gender. There may be individual variations due to factors such as genetics, nutrition, and overall growth rate, but these differences are not consistent across all boys and girls.

What scientific discovery made by chance as opposed to the scientific method?

Penicillin was discovered by chance in 1928 by Alexander Fleming when he noticed that a mold called Penicillium notatum killed bacteria in a culture plate. This accidental discovery led to the development of the first antibiotic and revolutionized medicine.

What steps in order does it take to make hail?

  1. Hail is formed within cumulonimbus clouds during thunderstorms when updrafts carry raindrops into extremely cold regions of the atmosphere.
  2. The raindrops freeze into ice as they are lifted higher into the cloud.
  3. This process continues as the ice particles collide with supercooled water droplets, growing larger and heavier until finally falling to the ground as hailstones once they become too heavy for the updrafts to support.

What is the scientific attitude of arturo alcaraz?

Arturo Alcaraz was a Filipino scientist known for his work on nuclear chemistry and radiation chemistry. His scientific attitude was characterized by a dedication to research, intellectual curiosity, meticulous experimentation, and a commitment to advancing scientific knowledge in his field.

Why do aspro clear tablets dissolve in water?

Aspro Clear tablets are effervescent tablets that contain citric acid and sodium bicarbonate. When the tablet is added to water, the citric acid reacts with the sodium bicarbonate to produce carbon dioxide gas, which causes the tablet to dissolve and release the active ingredients.

How is the weighing scale used?

The pH scale isn't used for measuring anything. It tells if a substance is an acid or a base. On the pH scale, 7 or more is considered a base. lower than 7, on the ...

What are the dependent variables in an experiment?

Dependent variables are the outcomes or responses that are measured to assess the effect of manipulating the independent variables. They depend on the changes made to the independent variables in the experiment.

What does C2OH stand for?

C2OH is not a standard chemical formula in organic chemistry. It likely represents an incorrect or incomplete formula. Each element in a chemical formula should have a subscript to indicate the number of atoms present.

Does dipping your eyes in carrot juice help you to see through clothes?

No, dipping your eyes in carrot juice will not help you see through clothes. This is a myth and has no scientific basis.>Your eyes do not have the ability to see through objects regardless of what you put in them.

What is the unit for measuring the amplitude of a sound?

That would be the 'Bel', a unit of sound amplitude named after Alexander Graham Bell, the inventor who studied sound in order to help deaf people.

Unfortunately, a Bel was a very large amount of sound - close to the loudness of a jet taking off. As a result, much later, a tenth of a Bel came into common use. The latin for one tenth of anything is, "deci", hence deci-Bel, or deciBel. It is correct to spell it with the capital 'B'. That is why the abbreviation for deciBel is "dB", not "db".

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Adding to that, the deciBel is not a linear unit nor necessarily of sound. It is used for example in measuring amplifier gains. it is a logarithmic ratio of the measured signals' amplitude relative to the reference level signal for the system being measured.

For airborne sound the 0dB reference level is the minimum pressure detectable by the healthy human ear, a staggeringly tiny 20µPa (micro-Pascals) in linear terms. That translates as one-fifty-thousand-millionth of standard atmospheric pressure at mean sea-level.

The ear's amplitude response is roughly logarithmic, and the maximum endurable (though painful and harmful) SPL is one million times that reference, so 20Pa, or 120dB re 20µPa to give the unit's proper full name. (log to base-10 of 1 million is 6 so 20X6 =120.)

Marine sonar uses 1µPa as the reference or 0dB pressure, i.e. 26dB below the air acoustics reference level.

The calculation for that is 20log(1/20), again, the logarithm base is 10,

Incidentally, the B is often in lower-case when written in the full word, rightly or not, but the correct abbreviation is still dB.

Why does water in a jar evaporate faster in sun or shade?

Water evaporates faster in the sun compared to shade because the sun provides more energy to the water molecules, increasing their kinetic energy and speeding up the evaporation process. In contrast, in the shade, there is less energy available to the water molecules, resulting in a slower rate of evaporation.

Do you write a conclusion before the results in a chemical experiment?

In a scientific paper or report, the conclusion usually comes after the results section. The results section presents the raw data and findings, which are then interpreted in the conclusion section to discuss the implications of the results and how they support the hypothesis or research question.

What can be the controlled variable for making glowing water for a science fair?

The controlled variable for making glowing water could be the concentration of the glowing compound (such as a fluorescent dye or chemical) added to the water. By keeping the concentration consistent, you can ensure that any differences in glow intensity are due to the manipulated variable (such as the amount of light exposure or type of light source used) and not the concentration of the glowing compound itself.