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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

Physical differences between organic and inorganic compound?

Organic compounds contain both the elements carbon and hydrogen bonded together.

An inorganic compound is missing one or the other or does not have direct bonds between them as in carbon acid (H2CO3).

What does results mean in the scientific method?

Results in the scientific method refer to the data and observations obtained from the experiment or study conducted to test a hypothesis. These results are analyzed and interpreted to determine whether they support or refute the hypothesis, leading to conclusions and potentially further research.

Can a thermos or glass cup keep liquids hotter longer?

Yes, both a thermos and a glass cup can help keep liquids hotter for longer periods of time compared to a regular open container. This is because they have better insulation properties, reducing heat transfer between the liquid and the surrounding environment.

Why does pump head decrease as volume flow rate increases?

Pump head decreases as volume flow rate increases due to the principle of conservation of energy. As the flow rate increases, the speed of the fluid also increases, resulting in higher kinetic energy. This leads to a drop in pressure and pump head as the energy is converted into kinetic energy instead of potential energy.

What is the 3rd step in scientific method?

The 3rd step in the scientific method is to form a hypothesis. This involves making a prediction or educated guess about the outcome of an experiment or observation based on prior knowledge or research. The hypothesis is then tested through experimentation to determine its validity.

What is the dencity of copper?

The density of copper is approximately 8.96 grams per cubic centimeter (g/cm³).

What is the lowest cost method of data recovery?

There aren't many methods of data recovery, usually recovering data from a damaged hard drive would involve you going to a specialist. These specialists however charge very different rates, it can be anywhere from 100$ to 300$.

Advantages of using observation method for data collection?

The observation method allows researchers to gather data in real time, providing firsthand information that can capture natural behaviors and interactions. It can also be used to study phenomena that are not easily quantifiable or require in-depth understanding. Additionally, observation can provide rich, context-specific data that may not be captured through other methods like surveys or interviews.

How does an elements position on the periodic table determine the type of reaction it will be involved in?

An element's position on the periodic table determines its reactivity and the type of reactions it will undergo. Elements at the far left (Group 1) tend to lose electrons and form positive ions, while elements at the far right (Group 7) tend to gain electrons and form negative ions. Elements in the middle transition metals can have varying oxidation states and participate in redox reactions. The number of valence electrons an element has influences its chemical behavior and the type of compounds it can form.

What will happen if you put four different mints in four different liquids?

Depends on the liquids, however, if they are soda and you have the right kind of mint, they may react and cause much foam and froth. One definite result is that if there is a high enough quantity of liquid the mints will dissolve.

Why does the mirror in the bath room gets foggy after you take a hot shower?

Condensation. Warm steam hits the cold mirror and the steam vapors turn back into a liquid as they are cooled. Usually gravity makes the water run down the mirror, but if it's light enough it'll stay in its position, once enough steam is converted, a droplet will form and roll down the mirror - it dissipates when the room temperature cools enough.

The general 'states' are

Solid > Liquid > Gas

Gas > Liquid > Solid

Of course, there are non-Newtonian states as well but you don't need to know that. But if you want to read up on it, Google is your friend.

How can you tell in an experiment if there has been an energy change?

You can tell if there has been an energy change in an experiment by measuring the temperature change, observing changes in physical states (solid, liquid, gas), or detecting changes in the color or luminosity of a substance. Additionally, you can also measure changes in the volume of a substance or track any work done by or on the system.

How do grams per cubic meter look?

Grams per cubic meter (g/m3) is a unit of measurement used to describe the mass of a substance per unit volume. It is commonly used to represent the density of a material in the air or water, such as air pollution levels or the concentration of a solute in a solution. Its value indicates the amount of grams present in one cubic meter of the substance being measured.

What force stops machines from being 100 percent efficient?

One major factor that limits the efficiency of machines is friction. Friction creates resistance as moving parts come into contact with each other, leading to energy losses in the form of heat. Additionally, other factors such as air resistance, electrical resistance, and imperfections in materials can also contribute to reducing the overall efficiency of machines.

Who are some scientist who study heat?

Some scientists who study heat are physicists, engineers, and researchers in the field of thermodynamics. They investigate how heat transfers and how it can affect materials and systems. Some notable scientists who have made contributions to the study of heat include James Clerk Maxwell, Rudolf Clausius, and Josiah Willard Gibbs.

Which one is denser water or baby oil?

no this is not true baby oil has more density than water.

What type of image does a flat mirror produce?

A flat mirror produces a virtual image that is upright, the same size as the object, and with the same orientation as the object. The image appears to be located behind the mirror at the same distance as the object is in front of the mirror.

Is a marble denser than water?

Yes if it floats. Does Marble float in water? If not then the answer is no.

Is the wire gets thicker or thin when the resistance is less?

The wire gets thinner when the resistance is less because there is less opposition to the flow of electrons, which results in less heat generation. This reduced heat generation allows for a thinner wire to be used without overheating.

What is mpn method?

mpn method is most probable number method in which we used to calculate the value which has more probability.in bacteriological estimation it is most accepted method for calculating the colony factor unit.

What is everything made of and is the smallest of units of an element?

Everything is made of atoms, which are the smallest units of an element. Atoms are composed of even smaller particles called protons, neutrons, and electrons.

How does combustion differentiate between saturated and unsaturated hydrocarbons?

The primary difference is that an unsaturated hydrocarbon contains a C=C double bond allowing it to undergo addition reactions. Saturated hydrocarbons contain only C-C single bonds so only substitution and elimination can occur. The difference can be seen experimentally as an unsaturated hydrocarbon (eg ethene) will decolourise bromine water.

Why is matter neutral?

Matter is neutral because it contains equal numbers of positive protons and negative electrons. Protons carry a positive charge, while electrons carry a negative charge. These charges balance each other out, resulting in an overall neutral charge for matter.

What physical properties of a wooden block is it density related to how could density be used to identify another sample of wood?

The density of a wooden block is related to its mass and volume. Two blocks made of different types of wood will have different densities due to variations in their composition. By measuring the mass and volume of a sample of wood and calculating its density, you can compare it with known values for different types of wood to identify the sample.