اختبار تجريبي (1) للصف الثاني متوسط ​​الفصل الدراسي الأول الفترة الأولى 1438-39

Explanation
The given statement states that "knowledge is a precise method for understanding the world around us." This implies that knowledge is a systematic and accurate way of comprehending the world and its phenomena. It suggests that through the acquisition and application of knowledge, individuals can gain a deeper understanding of their surroundings.

Explanation
The statement "الرادار من أمثلة وسائل التقنية" translates to "Radar is an example of technological means." The correct answer "صح" translates to "true." This means that the statement is correct, as radar is indeed an example of technological means.

Explanation
The given statement is incorrect. Scientific methods refer to the systematic and organized approaches used to gather information and generate knowledge through observation, experimentation, and analysis. It involves using various tools and techniques, not just relying on the senses of hearing, sight, and touch. Therefore, the answer is "incorrect".

Explanation
The correct answer is false. The independent variable is the variable or factor that is manipulated or changed by the researcher in an experiment. It is not the variable that we want to measure. The variable that we want to measure is called the dependent variable.

Explanation
After analyzing the data, the experimenter extracts the results.

Explanation
Scientists create maps of archaeological sites in order to record the location of artifacts.

Explanation
The statement "تغيير النتائج من خطوات الطريقة العلمية" translates to "Changing the results is part of the scientific method." The correct answer of "خطأ" means "false." Therefore, the explanation is that changing the results is not a part of the scientific method.

Explanation
The statement "تحديد المشكلة هي أول خطوة في الطريقة العلمية" translates to "Identifying the problem is the first step in the scientific method." This statement is correct because in the scientific method, the first step is to identify and define a problem or question that needs to be investigated. This helps to focus the research and determine the objectives and hypotheses to be tested. Without identifying the problem, it would be difficult to proceed with the other steps of the scientific method effectively.

Explanation
The given statement is true. The internet is indeed one of the ways to conduct research in the field of archaeology. With the vast amount of information available online, archaeologists can access scholarly articles, research papers, archaeological databases, and even virtual tours of archaeological sites. The internet also allows for collaboration and communication among archaeologists from different parts of the world, facilitating the sharing of knowledge and expertise. Therefore, the internet has become an essential tool for conducting research and staying updated in the field of archaeology.