people are crazy
Science answers testable questions, some questions are not testable.
You can find a suitable resource for questions about medical science on sciencebasedmedicine.org/nine-questions-nine-answers/
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The number of chapters in a 5th grade Harcourt Science textbook can vary depending on the edition or version. On average, a 5th grade science textbook typically contains around 10-12 chapters, covering various topics such as physical science, life science, and earth science.
Because some of life's questions are too deep and complicated for science to answer.
You're permitted to give wrong answers to as many questions as you want to, and correct or blank answers to the rest of them. Unfortunately, however, the custom is that if you exceed some number of wrong or blank answers, then you fail the test.
How the heart works.
A clay volcano
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there are some about circulatory system and nervous system
Radiation is a 6th grade science word. It begins with the letter R.
eating your butt