Answer and Explanation:
The scientific method is a research method used to produce knowledge. It consists of systematic observations, measures, experimentation, analysis, and verification of a hypothesis. It is based on two aspects: reproducibility (the capability of reproducing the experiment in any other place by any researcher) and refutability (susceptibility to be refused).
There are different steps to follow in a scientific method:
• Definition and problem statement. The question for which there is not an answer yet.
• Hypothesis formulation.
• Data collection and analysis. This step involves testing the observations.
• Results
• Verification of the hypothesis. This step involves the acceptance or rejection of the working hypothesis.
• Conclusions and Discussion.
In the exposed example:
Let us imagine that the scientist only wants to evaluate the performance of the new adhesive connecting only two previously determined metals: Metal A and metal B. Let us also assume that there is only one exhisting adhesive, apart from the new one that is being tested. Finally, we might also assume that he has already done bibliographic research to know better about the requirements for adhering metals and the properties of the adhesive material needed to do so. The problem might have been related to the need of getting a better adhesive.
Hypothesis: "the new adhesive works better than existing treatments"Treatment: applying the adhesive to the two metals, sticking them together and seeing how long they stickData collection and analysis: He performs this test on his new adhesive, records the timeResults obtention and reportThe scientist did not perform the experiment with the existing adhesive. The scientist did not compare the performance of the previously existing adhesive to the new one.
The scientist should have performed the experiment with two treatment groups:
Treatment Group one: applying the existing adhesive to the metals A and B, sticking them together and seeing how long they stickTreatment Group two: applying the new adhesive to the metals A and B, sticking them together and seeing how long they stickThe scientist also should have repeated the treatment at least two or three times for each group.
Finally, the scientist should have compared results between the performance of the two adhesives before reporting them.
Relate similarities or differences between fish and scuba divers and they operate in water?
Fish can survive without scuba diving equipment, while scuba divers can not.
Fish were born and raised in the water, not like scuba divers.
Fish have gills that help them get air from the water, while humans do not.
Answer:
Breathing
Explanation:
Scuba divers need self-contained underwater breathing apparatus and they need equipment which helps them breathe comfortably while underwater, fish live there so they can breathe.
They both can swim and see other sea animals.
what are the three main functions of the brain?
Answer:memory , movement , body , the nervous system
Explanation:
Answer:
blood pressure, breathing, heart rate
Explanation:
Energy that’s produced after light reaction
I think this is the answer
***List 3 characteristics of all living things**
***
Answer:
Cellular organization.
Reproduction.
Metabolism.
Homeostasis.
Heredity.
Response to stimuli.
Growth and development.
Adaptation through evolution.
Explanation:
three living things are
dogs, people, cats
If an element contains six electrons, how many will be placed in the second valence shell?
A. 8
B. 4
C. 2
D. 6
Answer:
A. 8
Explanation:
The 2s subshell holds a maximum of 2 electrons, and the 2p subshell holds a maximum of 6 electrons. Which means that the second shell can hold a maximum of only 8 electrons (2+6 = 8)
What is the difference between a experimental group and a control group?
Explanation:
An experimental group, also known as a treatment group, receives the treatment whose effect researchers wish to study, whereas a control group does not. They should be identical in all other ways.
Bleaching is caused by the addition of bleach containing fertilizers that enter marine systems through runoff. True False
Answer:
False
Explanation:
Which of the following are theories? Select all that apply.
A. Detergent type does not affect how well a t-shirt stain is removed.
B. Earth's crust is divided into plates that are in constant motion.
C. The rate of plant growth is dependent on how much light is present.
D. If a bucket of water is left uncovered, then it will evaporate faster.
E. All matter consists of tiny particles called atoms.
Answer:
A
Explanation:
Because b,c,d can be proven
while a is not proven
The theory is detergent type does not affect how well a t-shirt stain is removed. Thus Option A is correct.
What is Theory ?A principle formed to explain things, certain phenomena, or fact which was validated previously known as Theory.
It can be speculation of any assumption which need to be proved.
Further more an ideal theory must be an authoritative principle, which is a result of continuous observation, proper examination, analysis logically accurate explanation of a specific phenomenon.
The characteristics for ideal theory are, it must possess the quality and authenticity.
A wide acceptance by people and the quality should be evaluated correctly.
It must solve the problems potentially and expert verified, confirmed hypothesis.
It must have the ability to analyze the past events, have some descriptive approach for a particular topic.
Thus Option A is correct.
For more details regarding theory, here
https://brainly.com/question/8263730
#SPJ2
what are building blocks of polymers
Answer:
A monomer is a type of molecule that has the ability to chemically bond with other molecules in a long chain; a polymer is a chain of an unspecified number of monomers. Essentially, monomers are the building blocks of polymers, which are more complex type of molecules.
Explanation:
Read the claim. Breakfast is an important meal. It jump starts the body's process of using calories to break down food. Appetite can decrease with age, but going too long without eating causes metabolism to slow down. Current research shows that incorporating legumes such as lentils and chickpeas into meals boosts metabolism for twenty-four hours. Who might benefit from this claim? A. People who have a fast metabolism B. Stores that sell exercise equipment C. People who take vitamin supplements D. Grocery stores that sell legumes
Answer:
D Grocery stores that sell legumes
Explanation:
Grocery stores can use this information so persuade shoppers to buy legumes
Answer:
Grocery stores that sell legumes.
A student uses one hand to examine the interior structure of a bean seed. What kind of visual screen would be better? for the student to use to record what they observe data table labeled sketch line graph pie chart
What activation energy was used to start the chemical reaction in the burning marshmallow?
Answer:
This question is incomplete
Explanation:
This question is incomplete. However, let's understand some terms
Activation energy is the minimum amount of energy required for a reaction to proceed. Under normal condition, when the activation energy is high, it takes longer for the reaction to proceed than when it is low.
The burning of marshmallow is an exothermic reaction as it involves the transfer of heat energy into the environment.
Why football player moves to higher altitude to play before world cup??
:By training at high altitudes, athletes aim to allow their bodies to produce extra red blood cells
your 7. What do you think about science? What do you like? What do you dislike? Support your answer with details from experiences. Write a paragraph consisting of at least 5-7 sentences.
what do you think about science from your own experiences we cant answer this for you
i think science is an interesting and essential subject, mainly i like the fact that having knowlege of biology,etc can help patients and sick people. Its obvious science is an important subject. But science cant explain everything, like about religion for instance scientists say the universe is created from big bang but religious people say god made it , so yeah. I mostly love science because of how amazing doctors are, helping people and all.
Were are wolves mostly found or more common?
Help me out with this please
What do the terms biosphere, geosphere, hydrosphere and atmosphere have in common?
Answer:
They are all layers that pryect the earth
Explanation:
Answer:
They are all layers of the Earth's crust.
Explanation:
Biosphere, geosphere, hydrosphere and atmosphere are similar because they all are layers of the Earth's crust that we inhabit.
Which option identifies the most likely testable question in the following scenario? Scientists breed a group of fruit flies. They record the wing type of two parent flies and their offspring. Both of the parents had “normal” wings, but only 75 percent of the 1,000 offspring has “normal” wings. The other 25 percent have “vestigial” wings. This data helps the scientist’s draw their conclusions. Are different wing types of flies heritable? OR Is wing type a sex linked trait?
Answer:The different type of wing is most likely heritable, but i'm not sure.
Explanation:
Which of the following is not an example for abiotic factor: a)rain b)salinity c)biodiversity d)humidity
Answer:
C
Explanation:
Biodiversity involves living organisms while the rest of the options do not
A quantity must be divided by multiples of ten when converting from a larger unit to a smaller unit. Please select the best answer from the choices provided OT OF
Answer: False
Explanation: You're supposed to have numerically more smaller units than bigger units, since a lot of these smaller units are combined to create a single larger unit.
what are four places a scientist can go to find information about a problem
1. Collect information
2.observation
3.measure
4.communicate
Explanation:
collect
observe
communicate
What is one of the signs of a chemical change?
A.change of position
B.change of state
C.change of color
D.change of shape
Answer:
C. Change of color
Explanation:
Answer:
c
Explanation:
the chemical will change if it has anything different with it. it'll change colors
Which statement accurately describes effective scientists? a. They try to publish as much work as possible to seem more important. b. They prefer to deal with questions that involve opinions and personal preferences. c. They are willing to believe in ideas, even if there is no supporting evidence. d. They usually accept what they hear from others. e. They are open to results that change, or even refute, a previously accepted idea.
Answer:
e. theyre open to results that hanfe or even refute a perviously accepted idea.
Which statement best represents how structure relates to function? a. Some insects live longer than others. b. Many tropical birds can be taught to speak. c. Great white sharks have sharp serrated teeth for tearing into their prey. d. horse's mane is often black.
Answer:
C. Great white sharks have sharp serrated teeth for tearing into their prey.
Explanation:
I took the quiz.
Adaptation is the evolutionary process that allows the natural selection of the species. Great sharks having sharp teeth for tearing into prey are structures related to functions. Thus, option c is correct.
What is adaptation?Adaptation has been defined as the mechanism by which biological species adjust themselves to the changes in the environment around them in an ecosystem. This leads to the evolution of the structures and functions.
The sharp teeth structures of the white shark allow them the function of catching their prey in the ocean ecosystem. These structures were adapted for the survival of the species and to catch food.
Therefore, option c. the sharp teeth of great white sharks are the adapted structures that allow them to catch prey.
Learn more about adaptations, here:
https://brainly.com/question/911378
#SPJ2
The biotic potential of an organism describes its ability to reproduce at its maximum rate and grow to its largest size.
Select one:
True
False
A changeable factor in an experiment is referred to as a
Answer:
A Variable
Explanation:
Below are the seven properties of water that make life possible on Earth. Describe five of these properties and provide an example of each: Hydrogen bonding, cohesion and adhesion, surface tension, heat of vaporization, specific heat, density, and universal solvent
Answer:
Properties of water are given below.
Explanation:
Hydrogen bonding is an important bond which occurs between two water molecules which make them sticky due to partial positive charge on hydrogen and partial negative charge on oxygen. Cohesion and adhesion occurs due to the attraction of partial positive and partial negative charges of hydrogen and oxygen atom. Density of water increases with the decrease in temperature and maximum at 4 degree Celsius and after further decrease in temperature, decrease in density occurs which is a unique property of water. water is a universal solvent because a large amount of solutes can be dissolved in it. Heat of vaporization refers to the amount of heat required to transform liquid into vapors.Water has a heat of vaporization about 40.65 kJ/mol.
Please help!! - 1. Is a virus a living organism? Why? 2. Why are antibiotics not good for virus infections? 3. What is the difference between an organ and an organ system? 4. What happens to the other organ systems if one organ system fail? How does this affect homeostasis? 5. What is one body system humans have? What is one body system humans DO NOT have?
Explanation:
No .because virus is molecule.
anti=against
bio=living
organ system is formed from the organs supporting each other process.
because they lost the connection.
immue system.
photosynthesis.
1. No
2. Antibiotics cannot kill viruses because viruses have different structures and replicate in a different way than bacteria.
Antibiotics work by targeting the growth machinery in bacteria (not viruses) to kill or inhibit those particular bacteria.
When you think about it structurally, it makes sense that an antibiotic could not work to kill a virus with a completely different set of replicating “machinery”.
3. An organ is a part of the body that performs a special task to help the organism live while an organ system is a collective group of organs.
4. The breakdown of a particular organ system is not supposed to cause the breakdown of another except it performs a function needed for the other organ system to function.
The enzyme carbonic anhydrase is a protein that binds to two small molecules: water and carbon dioxide. By holding the two molecules in the proper position, the enzyme allows the two molecules to react to form a product, carbonic acid. The enzyme then releases the product and becomes available to catalyze the same reaction once again. How does carbonic anhydrase change the reaction between carbon dioxide and water?
Answer:
Chemical groups on the surface of the enzyme reduce the reaction's ... 100,000 carbon dioxide and water molecules into carbonic acid every second but ... What fraction of energy available in the chemical bonds of glucose actually ... The resulting three carbon molecule, lactic acid, builds up as a waste product inside cells.
The hydrolysis of carbon dioxide into carbonic acid or bicarbonate would not occur without carbonic anhydrase. Therefore, only 15% of the carbon dioxide produced by the body would be removed from the tissues by the blood.
What is the importance of carbonic anhydrase?At least 80% of the bicarbonate transported throughout the entire kidney occurs in the proximal tubule and is mediated by proton secretion.
Bicarbonate is created when carbon dioxide is hydrated by carbonic anhydrase and subsequently dissociates into hydrogen ions and bicarbonate.
As a result, they are categorized as metalloenzymes. The enzyme helps move carbon dioxide while preserving the acid-base equilibrium.
Therefore, Similar to other epithelial, carbonic anhydrase is widely distributed in renal tissue and works to catalyze the hydration-dehydration process of CO2.
Learn more about carbonic anhydrase here:
https://brainly.com/question/24164978
#SPJ2
Why does a fever cause a life threatening problem?
Answer:
A fever is a temporary increase in your body temperature, often due to an illness. Having a fever is a sign that something out of the ordinary is going on in your body.
Explanation: