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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.

4,384 Questions

Who discovered observe in the scientific method?

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The concept of observation as a crucial step in the scientific method dates back to ancient Greek philosophers such as Aristotle and Plato. However, the modern scientific method, with its emphasis on systematic observation and experimentation, was further developed by scientists like Francis Bacon in the 17th century.

What is indicated when contour lines are far apart on a topographic map?

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When contour lines are far apart on a topographic map, it indicates a gentle slope or flat terrain. The spacing between contour lines represents the steepness of the terrain, with wider spacing indicating a more gradual slope.

Is it possible to prove a hypothesis by conducting rigorously controlled experiments?

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Rigorously controlled experiments can provide evidence to support or refute a hypothesis, but they cannot definitively prove a hypothesis. Scientific hypotheses are continually evaluated, refined, and occasionally rejected based on new evidence and further experimentation.

Which of these steps of the scientific method involves stating a relationship but not proposing an explanation for the relationship A. observation B. scientific law C. theory D. hypothesis?

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B. Scientific law. Scientific laws describe a relationship between variables based on consistent patterns observed in experiments or observations, without providing an explanation for why this relationship exists. Hypotheses and theories, on the other hand, propose explanations for observed phenomena.

Why do you think scientists are concerned that static electricity will be much bigger problem for astronauts than it is for people here on earth?

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Scientists are concerned that static electricity will be a bigger problem for astronauts because in space there is no atmosphere to dissipate built-up charge, leading to higher levels of static electricity. This can create issues with sensitive equipment, affect communication systems, and even pose a risk of sparks in a high-oxygen environment. Astronauts in spacesuits can build up static charges that may interfere with electronic devices or even pose a risk to the astronauts themselves.

What is the solute and solvent in chalk water?

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In chalk water, the solute is chalk particles, while the solvent is water.

How does a triamine act as a catalyst?

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A triamine can act as a catalyst by facilitating a chemical reaction without being consumed in the process. It can interact with substrates to lower the activation energy required for the reaction, thereby increasing the rate of the reaction. Triamines can also enhance the formation of intermediates or stabilize transition states, promoting the desired reaction pathway.

In What hemisphere do wambats live in?

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Wombats are native to Australia, which is located in the Southern Hemisphere.

What observations led czarnowoski to form his hypothesis?

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Czarnowski's hypothesis was based on observing the similarities in skeletal features between Native Americans and ancient inhabitants of Northeast Asia. He noted similarities in dental characteristics, cranial measurements, and other physical traits that suggested a shared ancestry.

What happens when you put a piece of paper under a magnifying glass and expose it to the sun?

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It all depends on how well you focus the beam of the magnifying glass. You need to adjust the distance from the glass to the paper until the light from the sun is concentrated in a tiny brilliant white spot. That spot is very hot as well as bright and so the paper is heated enough to start charring. It may even catch fire, so be careful to try this on a safe surface like concrete or stone paving.

Try not to look at the bright spot with unshielded eyes, as it is bright enough to damage your eyes.

What are the dents in the moon?

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The dents on the moon are actually impact craters formed by meteoroids colliding with its surface. These craters have accumulated over billions of years and give the moon its characteristic rugged appearance.

What is the next step after a solicitor?

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After consulting with a solicitor, the next step would typically involve taking legal action based on their advice, such as filing a lawsuit, negotiating a settlement, or engaging in an alternative dispute resolution process. The solicitor can guide you through the legal process and represent you as needed.

How do alcohol made?

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When making alcoholic drinksl beers , wines and spirits, alcohol is made by fermentation. It is a slow process and can take days or weks.

However, industrially, under the correct conditions, water (H2O) and carbon dioxide (CO2) can be brought together to make alcohol ( ethanol ' CH3CH2OH) . This is a much faster process than fermentation.

What is the North Pole facing slope?

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The north pole does not have a particular facing slope as it is located at the top of the Earth, where all directions point south. Due to the Earth's axis tilt, the north pole receives continuous sunlight during the summer and continuous darkness during the winter.

What did tycho brahe and Kepler employ the scientific method?

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Tycho Brahe used meticulous observations of the planets and stars, creating a wealth of precise data. Johannes Kepler used Brahe's data to develop his three laws of planetary motion, which provided a theoretical framework to explain the movement of celestial bodies. Both scientists combined empirical observations with mathematical reasoning to advance their understanding of the natural world, embodying the principles of the scientific method.

What is the first step to take when conducting a scientific investigation?

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The first step in conducting a scientific investigation is to define the problem or research question that you want to address. This involves clearly stating the objective of the study and identifying what you want to learn or discover through your research.

Character of a Western blot?

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A Western blot is a laboratory technique used to detect specific proteins in a sample by separating them based on size through gel electrophoresis, transferring them to a membrane, and then using antibodies to visualize the proteins. It is commonly used in biological research to analyze protein expression levels and detect post-translational modifications.

What is western blot shaker?

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A Western blot shaker is a specialized type of laboratory equipment used to mix and agitate samples during the process of Western blotting. It helps ensure even distribution of reagents and antibodies on the membrane for accurate detection of target proteins.

What was incorrect about Lamarck's hypothesis?

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Lamarck proposed the idea of acquired traits being passed on to offspring, known as the inheritance of acquired characteristics. However, this concept has been proven to be incorrect through the science of genetics, which relies on the understanding of DNA and how traits are inherited through genes, rather than through an organism's interactions with the environment.

Why gel red can stain DNA fragments?

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GelRed is a fluorescent dye that is designed to bind to DNA by intercalating between the base pairs. This binding causes the DNA to fluoresce under UV light, making it visible in a gel electrophoresis setting. The staining ability of GelRed allows for the visualization of DNA fragments within the gel.

How are the seasons in correct order?

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The seasons occur in this order: spring, summer, autumn (fall), and winter. This is based on the Earth's axial tilt and its orbit around the sun, which causes different regions to receive varying amounts of sunlight throughout the year.

What was the result of Galileo's gravity experiment?

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Galileo's gravity experiment showed that all objects fall at the same rate regardless of their mass. This challenged the prevailing Aristotelian view that heavier objects fall faster than lighter ones. His experiment laid the groundwork for Isaac Newton's law of universal gravitation.

Why do bottle rockets have triangular wings instead of rectangular?

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Triangular wings provide stability and control during flight due to their shape creating less drag. This design helps the bottle rocket maintain a straight trajectory and prevents it from spinning or veering off course. Additionally, the triangular shape allows for easier assembly and attachment to the rocket body.

How did Galileo use the 7 steps of scientific method to study pendulums?

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Galileo used the scientific method to study pendulums by asking questions about their behavior, forming hypotheses about their motion, conducting experiments to test these hypotheses, analyzing the results, and drawing conclusions based on the data collected. He repeated this process multiple times to refine his understanding of pendulum motion and validate his findings.