Science Exam Practice 100 questions with 100% correct answers 2024

_ is the study of living things - correct answer Life science The first step to finding solutions to problems such as pollution, deforestation, and the extinction of wildlife is to - correct answer understand how we affect the world around us by making observations and asking questions. In which of the following areas of study might you find a life scientist at work? - correct answer studying how wasps could be used to control fire ant populations Many environmental problems are caused by - correct answer peoples' misuse and improper disposal of natural resources Science Exam Practice 100 questions with 100% correct answers 2024 Which of the following would NOT be an area of study in life science? - correct answer studying how volcanoes are formed The set of skills or steps that scientists use to answer questions is the _ - correct answer scientific method A set of related hypotheses that are supported by evidence may become accepted as a - correct answer theory A scientist who wants to study the possible side effects of a new medicine would probably _ - correct answer include a control group that received no medicine Science Exam Practice 100 questions with 100% correct answers 2024 In today's world, scientists form a global community. This means that __ - correct answer scientists share their results with other scientists Scientific knowledge changes and grows due to __ - correct answer all of the answers When researchers use the scientific method, they should - correct answer repeat or switch the order of steps as needed The steps of the scientific method __ - correct answer are not always used in order Science Exam Practice 100 questions with 100% correct answers 2024 In a scientific experiment, a hypothesis that cannot be tested is always considered to be __ - correct answer not useful Scientists often use experiments to test their __, which are possible explanations for observations. - correct answer hypotheses In a controlled experiment, ___. - correct answer a control group is compared with one or more experimental groups An advantage of using the International System of Units is that it - correct answer gives scientists a common way to share their results Science Exam Practice 100 questions with 100% correct answers 2024 The International System of Units - correct answer contains units that are based on the number 10 Transmission electron microscopes can magnify specimens up to ___ their actual size. - correct answer 200,000 Which tool would a life scientist use to obtain a detailed image of the nerves that branch off a person's spinal cord? - correct answer MRI A life scientist would use a(an) ___ to magnify a living specimen. - correct answer a compound light microscope