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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

How can you demonstrate the force of gravity?

The force of gravity can be demonstrated by dropping an object from a height and observing it fall to the ground. Alternatively, one can use a pendulum to show the constant pull of gravity acting on the swinging object.

What energy transformations are in a vacuum cleaner?

First the electricity goes inside the vacuum cleaner, then the vacuum cleaner sucks the dirt right away so therefore:

Electrical energy -- Mechanical Energy

What color sunglass lenses blocks the most light?

the color of the lenses doesn't matter. It's the amount of protection on them. Often there is a sticker on the lens when you first buy the sunglasses that will tell you the amount of protection they offer. The higher percentage, the better!

How does Jane Goodall use the scientific method?

Jane Goodall uses the scientific method in her research by making observations of chimpanzee behavior in their natural habitat, forming hypotheses about why they behave a certain way, designing experiments to test these hypotheses, analyzing the results, and drawing conclusions based on evidence. She approaches her research with a systematic and objective approach to better understand chimpanzee behavior and their social structures.

Why will a pendulum eventually stop?

Energy will be lost, mainly through friction.

Energy will be lost, mainly through friction.

Energy will be lost, mainly through friction.

Energy will be lost, mainly through friction.

What are the ways of making a solar cell?

Solar cells are typically made using crystalline silicon, which involves growing, slicing, and doping silicon wafers into photovoltaic cells. Another method is thin-film solar cell production, which involves depositing layers of semiconductor materials onto a substrate. Both methods require precise manufacturing processes to create efficient solar cells for converting sunlight into electricity.

What are the results called in an scientific experiment?

The results of a scientific experiment are typically referred to as data or findings. These results provide the information needed to analyze the experiment's outcome and draw conclusions.

Why is air less dense at higher altitudes?

This is because of gravity. Air is not very heavy, but it does have a little bit of weight so is pulled downward toward the Earth. This makes the lower parts dense and the upper parts lighter.

What is the one variable that is purposely changed to test a hypothesis called?

The variable that is purposely changed to test a hypothesis is called the independent variable. This variable is manipulated or controlled by the researcher to observe its effect on the dependent variable, which is the outcome being measured.

Differentiate absorption method from colorimetric method?

Absorption method measures the amount of light absorbed by a sample at a specific wavelength, and is used to quantify the concentration of a substance. Colorimetric method utilizes color changes to detect the presence or concentration of a substance, often involving a chemical reaction that produces a color change.

What is the difference between discovery science and hypothesis based science?

the difference between discovery science and experimental science is. when we say "discovery science" is comes from the word itself "discovered" it is first discovered by a certain person. when we say "experimental" it comes from the word it self "experiment", people tried to make things that are new . :)

Which is the correct order of the steps involved in hearing an auditory message?

The correct order is sound waves entering the ear canal, then causing vibrations on the eardrum, which in turn moves the ossicles in the middle ear. The movement of the ossicles transfers the vibrations to the cochlea in the inner ear, where they are converted into electrical signals to be sent to the brain for processing.

The hypothesis of do all dishwashing liquids produce the same amount of bubbles?

The hypothesis would be: "All dishwashing liquids produce the same amount of bubbles." This hypothesis would need to be tested through a controlled experiment to determine its validity.

A net is necessary for an object to change its motion?

A net force is necessary for an object to change its motion, according to Newton's first law of motion. If the net force acting on an object is zero, the object will continue in its current state of motion (either at rest or moving at a constant velocity).

The info collected during an experiment is called?

The information collected during an experiment is called data. This data is used to analyze the results of the experiment and draw conclusions based on the findings.

What is neons family name?

The noble gases include:

Helium He

Neon Ne

Argon Ar

Krypton Kr

Xenon Xe

Radon Rn

The noble gases are very stable and do not like to make compounds with other elements. There are only a bit more than one hundred compounds of noble gases.

Name 2 factors the affect the distance taken for a toy car to stop after rolling down a ramp?

One factor is the height of the ramp. The higher the height of the ramp the further the car travels.

Another factor is the surface of the ramp. With a rough surface on the ramp e.g sand paper the car travels a short distance. With a lubricated surface on the ramp e.g Vaseline the car will travel a very long distance.

What type of motion does a ferris wheel use is it uniform variable or periodic?

A ferris wheel's motion is periodic, as it follows a repeating cycle of going up and down in a circular motion.

How long did it take to make the Bunsen burner?

It took about three years to make the Bunsen burner. This was an invention that was credited to the works of Robert Bunsen.

Why dead body become heavy?

When a person dies, their muscles relax and lose tone, causing the body to become heavier. This is due to the lack of energy needed to maintain muscle tone and support posture, along with the influence of gravity. Additionally, as the body cools down and rigor mortis sets in, it can further add to the perceived heaviness of the body.

What gases were in Oparin's hypothesis?

Oparin suggested that the atmosphere of early Earth was composed of methane, ammonia, hydrogen, and water vapor. He also thought lightning and energy from the sun helped these gases to combine, he thought life was made from that.

Why does solid rock not flow?

Solid rock does not flow because its atoms and molecules are densely packed in a fixed position, preventing them from moving past one another. This rigid structure gives rock its solid and stable form, making it resistant to flowing like a liquid. Additionally, the high pressure and temperature required to deform rock into a flowing state are typically not present in nature at the Earth's surface.

Determine the number of scientific figures in 56mL?

There are two significant figures in 56 mL. The first two digits are considered significant because they are non-zero digits. Zeros at the end of a number without a decimal point are not considered significant figures.

Explain how the gravitational force between objects changes when the distance?

The gravitational force is inversely proportional to the square of the distance. For example, if you increase the distance by a factor of 10, the force will decrease by a factor of 100 (10 squared).

The gravitational force is inversely proportional to the square of the distance. For example, if you increase the distance by a factor of 10, the force will decrease by a factor of 100 (10 squared).

The gravitational force is inversely proportional to the square of the distance. For example, if you increase the distance by a factor of 10, the force will decrease by a factor of 100 (10 squared).

The gravitational force is inversely proportional to the square of the distance. For example, if you increase the distance by a factor of 10, the force will decrease by a factor of 100 (10 squared).

What is the first part of the scientific method?

The first step of the scientific method is observation. There are 5 steps in the scientific method and besides observation they are create a hypothesis, predict, test and check the hypothesis to make sure it is acceptable.