{"id":207,"date":"2019-03-28T13:31:15","date_gmt":"2019-03-28T13:31:15","guid":{"rendered":"http:\/\/blog.praxilabs.com\/?p=207"},"modified":"2025-09-06T21:49:45","modified_gmt":"2025-09-06T21:49:45","slug":"top-5-search-engines-for-scientific-research","status":"publish","type":"post","link":"https:\/\/praxilabs.com\/en\/blog\/2019\/03\/28\/top-5-search-engines-for-scientific-research\/","title":{"rendered":"Top 5 Search Engines for Scientific Research"},"content":{"rendered":"<p><span style=\"font-weight: 400; font-size: 12pt; font-family: tahoma, arial, helvetica, sans-serif;\">Internet has played a very important role in serving researchers and scientists in various fields as tool for <a href=\"https:\/\/praxilabs.com\/en\/blog\/2019\/02\/28\/distance-learning-its-concept-history-main-principles-and-techniques\/\">distance learning<\/a> by providing many scientific sources that are accessible at any time and place. In this article, we will address 5 of the most important scientific search engines on the internet. They include many research papers and Ph.D And Master theses, in addition to a lot of scientific references in various fields. But first, let\u2019s discuss what scientific research is, its importance, types, and steps.<\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif; font-size: 12pt;\"><strong><a class=\"maxbutton-3 maxbutton\" href=\"https:\/\/praxilabs.com\/en\/request-free-demo\"><span class='mb-text'>Try Virtual Labs for Free!<\/span><\/a><\/strong><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-4902 size-full\" src=\"https:\/\/praxilabs.com\/en\/blog\/wp-content\/uploads\/2025\/07\/Search-Engines-for-Scientific-Research-2.webp\" alt=\"Search Engines\" width=\"1920\" height=\"1281\" srcset=\"https:\/\/praxilabs.com\/en\/blog\/wp-content\/uploads\/2025\/07\/Search-Engines-for-Scientific-Research-2.webp 1920w, https:\/\/praxilabs.com\/en\/blog\/wp-content\/uploads\/2025\/07\/Search-Engines-for-Scientific-Research-2-300x200.webp 300w, https:\/\/praxilabs.com\/en\/blog\/wp-content\/uploads\/2025\/07\/Search-Engines-for-Scientific-Research-2-1024x683.webp 1024w, https:\/\/praxilabs.com\/en\/blog\/wp-content\/uploads\/2025\/07\/Search-Engines-for-Scientific-Research-2-768x512.webp 768w, https:\/\/praxilabs.com\/en\/blog\/wp-content\/uploads\/2025\/07\/Search-Engines-for-Scientific-Research-2-1536x1025.webp 1536w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/p>\n<p><span style=\"font-weight: 400; font-size: 12pt; font-family: tahoma, arial, helvetica, sans-serif;\">Researchers always seek accurate information and clear facts in all fields. They carry out this process according to a clear methodology for studying contemporary issues. They rely on scientific research as an objective tool to investigate and refute evidences. The first to use the scientific research method was psychologists and sociologists in the nineteenth century. It is recalled that the psychologist Ernest Weber was the first to try to measure specific models of human behavior in the 1940s of the century.<\/span><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_81 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\r\n<div class=\"ez-toc-title-container\">\r\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\r\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\r\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/praxilabs.com\/en\/blog\/2019\/03\/28\/top-5-search-engines-for-scientific-research\/#Definition_of_scientific_research\" >Definition of scientific research<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/praxilabs.com\/en\/blog\/2019\/03\/28\/top-5-search-engines-for-scientific-research\/#The_importance_of_scientific_research\" >The importance of scientific research<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/praxilabs.com\/en\/blog\/2019\/03\/28\/top-5-search-engines-for-scientific-research\/#Types_of_scientific_research\" >Types of scientific research<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/praxilabs.com\/en\/blog\/2019\/03\/28\/top-5-search-engines-for-scientific-research\/#Scientific_writing_steps\" >Scientific writing steps<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/praxilabs.com\/en\/blog\/2019\/03\/28\/top-5-search-engines-for-scientific-research\/#Top_5_Scientific_Research_Engines\" >Top 5 Scientific Research Engines<\/a><\/li><\/ul><\/nav><\/div>\r\n<h2><span class=\"ez-toc-section\" id=\"Definition_of_scientific_research\"><\/span><strong><span style=\"font-size: 14pt; font-family: tahoma, arial, helvetica, sans-serif;\">Definition of scientific research<\/span><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400; font-size: 12pt; font-family: tahoma, arial, helvetica, sans-serif;\">There are many different definitions of scientific research. It is defined as the systematic method that follows a number of successive steps, from knowledge of the problem to analysis, data collection and documentation, in order to extract a number of solutions derived from analysis, comparison and statistics.<\/span><\/p>\n<p><span style=\"font-size: 12pt; font-family: tahoma, arial, helvetica, sans-serif;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-4903 size-full\" src=\"https:\/\/praxilabs.com\/en\/blog\/wp-content\/uploads\/2025\/07\/Search-Engines-for-Scientific-Research-3.webp\" alt=\"Search Engines\" width=\"1280\" height=\"847\" srcset=\"https:\/\/praxilabs.com\/en\/blog\/wp-content\/uploads\/2025\/07\/Search-Engines-for-Scientific-Research-3.webp 1280w, https:\/\/praxilabs.com\/en\/blog\/wp-content\/uploads\/2025\/07\/Search-Engines-for-Scientific-Research-3-300x199.webp 300w, https:\/\/praxilabs.com\/en\/blog\/wp-content\/uploads\/2025\/07\/Search-Engines-for-Scientific-Research-3-1024x678.webp 1024w, https:\/\/praxilabs.com\/en\/blog\/wp-content\/uploads\/2025\/07\/Search-Engines-for-Scientific-Research-3-768x508.webp 768w, https:\/\/praxilabs.com\/en\/blog\/wp-content\/uploads\/2025\/07\/Search-Engines-for-Scientific-Research-3-310x205.webp 310w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/span><\/p>\n<p><span style=\"font-weight: 400; font-size: 12pt; font-family: tahoma, arial, helvetica, sans-serif;\">It is also defined as an organized and systematic investigative process with the aim of ascertaining the truth of facts or proving new facts. Provided that scientific methods are followed while conducting the scientific research and preparing its reports and results.<\/span><\/p>\n<p><span style=\"font-weight: 400; font-size: 12pt; font-family: tahoma, arial, helvetica, sans-serif;\">It is also considered by some to be a systematic study built to meet lack of knowledge, and to link disparate or mixed concepts, or to achieve a new knowledge derived from scientific research procedures and results.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"The_importance_of_scientific_research\"><\/span><span style=\"font-family: tahoma, arial, helvetica, sans-serif; font-size: 14pt;\"><strong>The importance of scientific research<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400; font-size: 12pt; font-family: tahoma, arial, helvetica, sans-serif;\">The importance of scientific research is reflected in many of the skills acquired by researchers while working on their research. It also shows great effects on societies that in turn benefit greatly from the results of such research. Therefore, we can summarize the importance of scientific research in the following points:<\/span><\/p>\n<ol>\n<li><span style=\"font-weight: 400; font-size: 12pt; font-family: tahoma, arial, helvetica, sans-serif;\">To develop the scientific research skills of researchers and help them identify the best scientific means to access accurate scientific information and avoid randomization.<\/span><\/li>\n<li><span style=\"font-weight: 400; font-size: 12pt; font-family: tahoma, arial, helvetica, sans-serif;\">To increase the knowledge of researchers and expand their knowledge. This is one of the importance of research at an individual level, where a researcher can access new information in the area of their specialization.<\/span><\/li>\n<li><span style=\"font-weight: 400; font-size: 12pt; font-family: tahoma, arial, helvetica, sans-serif;\">To develop the sectors of the state. This can directly reflect on the general public, as the latest technologies can be provided in various areas of life making it easier for them to perform their daily activities.<\/span><\/li>\n<li><span style=\"font-weight: 400; font-size: 12pt; font-family: tahoma, arial, helvetica, sans-serif;\">To develop industries through the use of modern technologies, which affects the rate of production and eliminates the use of traditional means of manufacturing.<\/span><\/li>\n<li><span style=\"font-size: 12pt; font-family: tahoma, arial, helvetica, sans-serif;\">To check and review previous scientific studies on similar scientific subjects. New researchers can then clarify the validity of the results of these previous researches.<\/span><\/li>\n<\/ol>\n<p><iframe loading=\"lazy\" title=\"The Value of Basic Scientific Research\" width=\"618\" height=\"348\" src=\"https:\/\/www.youtube.com\/embed\/PyIXh2qm2G4?feature=oembed&#038;enablejsapi=1&#038;origin=https:\/\/praxilabs.com\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<h2 style=\"text-align: left;\"><span class=\"ez-toc-section\" id=\"Types_of_scientific_research\"><\/span><span style=\"font-family: tahoma, arial, helvetica, sans-serif; font-size: 14pt;\"><strong>Types of scientific research<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400; font-size: 12pt; font-family: tahoma, arial, helvetica, sans-serif;\">Scientific research can divided according to:<\/span><\/p>\n<ol>\n<li><span style=\"font-size: 12pt; font-family: tahoma, arial, helvetica, sans-serif;\">Purpose of research.<\/span><\/li>\n<li><span style=\"font-size: 12pt; font-family: tahoma, arial, helvetica, sans-serif;\">Research method.<\/span><\/li>\n<\/ol>\n<p><span style=\"font-size: 12pt; font-family: tahoma, arial, helvetica, sans-serif;\"><strong>First: Division by purpose of research:<\/strong><\/span><\/p>\n<p><span style=\"font-weight: 400; font-size: 12pt; font-family: tahoma, arial, helvetica, sans-serif;\"><strong>Theoretical research:<\/strong> This is scientific research that produces a set of theoretically proven laws and theories. It contributes to the growth of knowledge, serves the studies, and establishes a documented ground for applied science.<\/span><\/p>\n<p><span style=\"font-weight: 400; font-size: 12pt; font-family: tahoma, arial, helvetica, sans-serif;\"><strong>Applied Research:<\/strong> Researches that concerned with the practical side and the application of available knowledge to discover more accurate facts, solve various problems, and develop methods of work to achieve higher levels of production. There are a lot of new techniques that could be used in this researches such as <a href=\"https:\/\/praxilabs.com\/en\/virtual-labs\">virtual labs<\/a>.<\/span><\/p>\n<p><span style=\"font-size: 12pt; font-family: tahoma, arial, helvetica, sans-serif;\"><strong>Second: Division by method:<\/strong><\/span><\/p>\n<p><span style=\"font-weight: 400; font-size: 12pt; font-family: tahoma, arial, helvetica, sans-serif;\"><strong>Descriptive research:<\/strong> It aims to describe the various phenomena, monitor the spatial and temporal conditions, and try to reach a clear understanding of these phenomena. This type includes several methods, such as: observation, personal interview, and paper or electronic survey tests.<\/span><\/p>\n<p><span style=\"font-weight: 400; font-size: 12pt; font-family: tahoma, arial, helvetica, sans-serif;\"><strong>Historical research:<\/strong> It has the same descriptive form, but it is limited to the events that have already occurred. It aims to document the past and analyse its events in order to provide new methods for avoiding past pitfalls and predict a better future.<\/span><\/p>\n<p><span style=\"font-weight: 400; font-size: 12pt; font-family: tahoma, arial, helvetica, sans-serif;\"><strong>Experimental research:<\/strong> This research is concerned with the analysis of problems and phenomena based on the experimental method through observation, development of hypotheses, and checking the details for authenticity to verify their validity. In this type, researchers adjusts all the variables and control them in terms of serving the content of their research. This is perhaps what distinguishes experimental research from other types.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Scientific_writing_steps\"><\/span><span style=\"font-family: tahoma, arial, helvetica, sans-serif; font-size: 14pt;\"><strong>Scientific writing steps<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ol>\n<li><span style=\"font-size: 12pt; font-family: tahoma, arial, helvetica, sans-serif;\">Identify and select the research title.<\/span><\/li>\n<li><span style=\"font-size: 12pt; font-family: tahoma, arial, helvetica, sans-serif;\">Introduction to research.<\/span><\/li>\n<li><span style=\"font-size: 12pt; font-family: tahoma, arial, helvetica, sans-serif;\">Clarify the problem.<\/span><\/li>\n<li><span style=\"font-weight: 400; font-size: 12pt; font-family: tahoma, arial, helvetica, sans-serif;\">Research questions.<\/span><\/li>\n<li><span style=\"font-weight: 400; font-size: 12pt; font-family: tahoma, arial, helvetica, sans-serif;\">Write the research objectives.<\/span><\/li>\n<li><span style=\"font-size: 12pt; font-family: tahoma, arial, helvetica, sans-serif;\">Clarify the importance of the research.<\/span><\/li>\n<li><span style=\"font-size: 12pt; font-family: tahoma, arial, helvetica, sans-serif;\">Methodology of the study.<\/span><\/li>\n<li><span style=\"font-size: 12pt; font-family: tahoma, arial, helvetica, sans-serif;\">Study tools.<\/span><\/li>\n<li><span style=\"font-size: 12pt; font-family: tahoma, arial, helvetica, sans-serif;\">Research plan.<\/span><\/li>\n<li><span style=\"font-size: 12pt; font-family: tahoma, arial, helvetica, sans-serif;\">References.<\/span><\/li>\n<\/ol>\n<p><span style=\"font-size: 12pt; font-family: tahoma, arial, helvetica, sans-serif;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-4904 size-full\" src=\"https:\/\/praxilabs.com\/en\/blog\/wp-content\/uploads\/2025\/07\/Search-Engines-for-Scientific-Research-4.webp\" alt=\"Search Engines\" width=\"1024\" height=\"682\" srcset=\"https:\/\/praxilabs.com\/en\/blog\/wp-content\/uploads\/2025\/07\/Search-Engines-for-Scientific-Research-4.webp 1024w, https:\/\/praxilabs.com\/en\/blog\/wp-content\/uploads\/2025\/07\/Search-Engines-for-Scientific-Research-4-300x200.webp 300w, https:\/\/praxilabs.com\/en\/blog\/wp-content\/uploads\/2025\/07\/Search-Engines-for-Scientific-Research-4-768x512.webp 768w, https:\/\/praxilabs.com\/en\/blog\/wp-content\/uploads\/2025\/07\/Search-Engines-for-Scientific-Research-4-310x205.webp 310w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Top_5_Scientific_Research_Engines\"><\/span><span style=\"font-family: tahoma, arial, helvetica, sans-serif; font-size: 14pt;\"><strong>Top 5 Scientific Research Engines<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ol>\n<li><span style=\"font-family: tahoma, arial, helvetica, sans-serif; font-size: 12pt;\"><a href=\"https:\/\/scholar.google.com\" target=\"_blank\" rel=\"noopener\">Google Scholar<\/a><span style=\"font-weight: 400;\"> : It is one of the most important and easiest ways to search for scientific materials. It provides many diverse sources in different disciplines and in different forms such as theses, papers, articles, text books, and opinions of reviewers.<\/span><\/span><\/li>\n<li><span style=\"font-family: tahoma, arial, helvetica, sans-serif; font-size: 12pt;\"><a href=\"https:\/\/www.base-search.net\/\" target=\"_blank\" rel=\"noopener\">BASE<\/a><span style=\"font-weight: 400;\"> : One of the largest scientific search engines in the world, it is managed by the University of Bielefeld, Germany.<\/span><\/span><\/li>\n<li><span style=\"font-family: tahoma, arial, helvetica, sans-serif; font-size: 12pt;\"><a href=\"http:\/\/www.academicinfo.net\/subject-guides\" target=\"_blank\" rel=\"noopener\">Academic Info<\/a><span style=\"font-weight: 400;\"> : Provides a comprehensive and in-depth guide to a huge set of links, and the most useful resources in various research fields.<\/span><\/span><\/li>\n<li><span style=\"font-family: tahoma, arial, helvetica, sans-serif; font-size: 12pt;\"><a href=\"https:\/\/www.loc.gov\/\" target=\"_blank\" rel=\"noopener\">Library of Congress<\/a><span style=\"font-weight: 400;\"> : Contains thousands of documents, including photographs, maps, manuscripts, historical newspapers and others.<\/span><\/span><\/li>\n<li><span style=\"font-family: tahoma, arial, helvetica, sans-serif; font-size: 12pt;\"><a href=\"https:\/\/www.refseek.com\/\" target=\"_blank\" rel=\"noopener\">Refseek<\/a><span style=\"font-weight: 400;\"> : A search engine that provides more than one billion articles for students and researchers, including web pages, books, encyclopedias and scientific journals.<\/span><\/span><\/li>\n<\/ol>\n<p style=\"text-align: center;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif; font-size: 12pt;\"><strong><a class=\"maxbutton-3 maxbutton\" href=\"https:\/\/praxilabs.com\/en\/sign-up\"><span class='mb-text'>Get Started Praxilabs for Free<\/span><\/a><\/strong><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Internet has played a very important role in serving researchers and scientists in various fields as tool for distance learning by providing many scientific sources that are accessible at any time and place. In this article, we will address 5 of the most important scientific search engines on the internet. They include many research papers &hellip;<\/p>\n","protected":false},"author":3,"featured_media":4605,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"no","_lmt_disable":"no","footnotes":""},"categories":[1],"tags":[],"class_list":["post-207","post","type-post","status-publish","format-standard","has-post-thumbnail","","category-virtual-learning"],"modified_by":"Muhamed Elmesery","_links":{"self":[{"href":"https:\/\/praxilabs.com\/en\/blog\/wp-json\/wp\/v2\/posts\/207","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/praxilabs.com\/en\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/praxilabs.com\/en\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/praxilabs.com\/en\/blog\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/praxilabs.com\/en\/blog\/wp-json\/wp\/v2\/comments?post=207"}],"version-history":[{"count":10,"href":"https:\/\/praxilabs.com\/en\/blog\/wp-json\/wp\/v2\/posts\/207\/revisions"}],"predecessor-version":[{"id":5291,"href":"https:\/\/praxilabs.com\/en\/blog\/wp-json\/wp\/v2\/posts\/207\/revisions\/5291"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/praxilabs.com\/en\/blog\/wp-json\/wp\/v2\/media\/4605"}],"wp:attachment":[{"href":"https:\/\/praxilabs.com\/en\/blog\/wp-json\/wp\/v2\/media?parent=207"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/praxilabs.com\/en\/blog\/wp-json\/wp\/v2\/categories?post=207"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/praxilabs.com\/en\/blog\/wp-json\/wp\/v2\/tags?post=207"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}