2. materials:
two nail,two cup,salt water,fresh water,
3. Hypothesis.I think that a nail rust faster in salt water because of the chemicals in the salt.
4. Procedure:
inde variable:same nail and fresh and salt water
dep variable:how many days will it take
con varable:size of nail,different water
steps
gather my m
sound vibrate the eardrum a lightly streched membrane that is the entrance to the middle ear
Hydrogen gets consumed through fusion processes into helium, hence loosely speaking you could say the Sun "burns" hydrogen.
A) Inferential statistics deals with collecting, summarizing, and simplifying data about given population
B) Descriptive statistics is also known as inductive statistics
C) Descriptive statistics goes beyond describing a given problem situation by means of collecting, summarizing and meaningfully presenting the related data
D) Descriptive statistics is one which describes the population. On the other hand, inferential statistics issued to make the generalization about the population based on the samples.
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No. An hypothesis is an idea put forward to explain an observation. Often you do the experiment to test the hypothesis. The results of the experiment may help you decide whether to discard your hypothesis or to test it further.
this is a simple question... I believe that the theoretical value for the linear expansion of steel is extremely simple. Ask a science teacher and they will be able to help you. If you go to the library you can borrow a book on this subject. I hope i helped you in your mission. Thank you very much for your time.
Have an excellent life.
i hope u get an answer.
:)
what are the advantages and disadvantages of geographic system of filing
how much grease is in chips
The 'legend' is a piece of text explaining the purpose of the project and what it sets out to show.
one of the characteristics are the irritability,colors,and movement
tongue
One practical use to a metallic change is to obtain a purified form of the more active and or valuable metals. We do this through electrolysis.
The dependent variable is what the results yielded. For example, if you are testing humans, the dependent variable will be the test subject's answers. Some people also say it is what you are testing for if it is not testing on humans. For example, "the differences in growths of bacteria".
Breakfast
Rust forms when metals containing iron mix with the oxygen in the air or the water and create a compound named iron oxide. This compoumd has water molecules, so we call it a hydrated compound. Chemically and very simply speaking, iron atoms lose a few electrons to oxygen atoms. This process, where electrons are lost from atoms, is the oxidation process. When oxidation occurs it produces a chemical reaction that creates iron oxide
Experiments typically involve:
1) Experimental group: the group of subjects exposed to the variable being tested.
2) Control group: should be as identical as possible to the experimental group, but is deliberately not exposed to the experimental variable - this provides a baseline measure from which the effect of the variable can be determined.
In order to isolate and identify the effect of the variable being tested, it is important to keep all other factors constant. This allows for a more accurate and reliable assessment of the relationship between the variable and the outcome. If other factors were to vary, it would be difficult to determine whether any observed changes were due to the variable being tested or to external factors.
If you hold the balloon over the paper for several minutes, nothing significant will happen. The balloon will continue to hold its shape, and the paper will not be affected by it. The only change you may observe is a slight static charge buildup on the balloon, which could potentially cause lightweight objects like the paper to be attracted to it.
"Sticky Solutions: Unraveling the Science of Adhesives"
The amount of time it takes to boil non-salted water depends on factors such as the volume of water and the heat source. Generally, it takes around 5-10 minutes for a standard pot of water to boil on a stovetop.
To collect feedback on case plans, you can implement procedures such as conducting interviews or surveys with clients, their families, and relevant stakeholders. Collating the feedback involves organizing and summarizing the responses received. Evaluation of the feedback involves analyzing the responses to determine patterns, identifying strengths and weaknesses in the case plans, and making necessary improvements. Finally, recording the feedback includes documenting the feedback received, any changes made to the case plans, and the outcomes achieved as a result of the feedback and modifications.