Experiments are not performed if a hypothesis exists on the issue to be tested.
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Q16: Physical properties are characteristics of matter that
Q17: Chemical properties are characteristics that describe matter
Q18: A metal is an element that is
Q19: A burning sparkler is an example of
Q20: A compound's physical and chemical properties are
Q22: A burning match stick is an example
Q23: A law is a specific statement that
Q24: Which of the following is not classified
Q25: Physics and astronomy are scientific fields concerned
Q26: Science is concerned only with the natural
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