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
Electromagnets play vital roles in everyday life. They power electric motors in appliances, produce sound in speakers, and enable magnetic door locks for security. Medical imaging devices like MRI machines rely on electromagnets, and maglev trains use them for propulsion. Additionally, electromagnets are utilized in scrapyard cranes for efficient lifting of metallic objects. These applications demonstrate the widespread importance of electromagnets in modern society.
You can make your project look more attractive by using a cohesive color scheme, high-quality images and graphics, clean and organized layouts, engaging typography, and incorporating interactive elements like animations or videos to enhance user experience. Consistency in design elements and attention to detail can also help make your project more visually appealing.
The device that transforms from elastic energy to kinetic energy is a spring-loaded mechanism. When you compress or stretch a spring, it stores potential energy in the form of elastic energy. When you release the spring, this stored elastic energy is transformed into kinetic energy as the spring returns to its original shape and moves with velocity. This principle is commonly utilized in various devices such as spring-powered toys, mechanical watches, and even some types of firearms where a spring is used to propel a projectile.
Anita Roberts was a prominent molecular biologist and researcher known for her groundbreaking work in the field of cell biology and molecular genetics. She focused on the understanding of how cells regulate the production of proteins. Roberts made significant contributions to the study of transforming growth factor beta (TGF-β) and its role in cell growth and differentiation.
'Bang/POP'.
If there is any oxygen near, then the hydrogen will ignite with a 'POP'.
Incidence is number of new cases diagnosed
prevalence is the the burden of disease that is new cases plus old cases
Test tubes, beakers and pipettes, among other things, are used to hold small amounts of liquid in a science lab.
It is Newton's first law of universal dynamics.
More correctly written as ' A body will remain in uniform motion unless acted upon by a force'.
I leave you to find the other two Newtonian Laws of Universal Dynamics.
Lab. Dress. :-
#1 Lab. Coat, buttoned up
#2 Goggles to protect eyes
#3 Nitrile Gloves to protect hands
#4 Long hair to be tied back
#5 Wear thick cotton (denim) clothes to absorb any splashes
#6 Wear trainers or shoes or boots to protect feet from heavy falls/drops of chemicals or kit.
YES!!! You'll look ugly, but your are safe.
pepper, sand, dirt, paper, plants, metals, hair, wood, lead, cotton.
Because there is a large component of calcium carbonate in the egg shell.
Remember
Acid + Carbonate = Salt + Water + Carbon Dioxide.
2CH3COOH + CaCO3 = Ca(CH3COO)2 + H2O + CO2
sound vibrate the eardrum a lightly streched membrane that is the entrance to the middle ear
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