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Review for Exam 1 Speers Biology 1610 SLCC Questions With Complete Solutions
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Review for Exam 1 Speers Biology 1610 SLCC Questions With Complete Solutions Scientific Method A series of steps to plan and carry out investigations Hypothesis vs. Theory Hypothesis- a testable observation Theory- supported by a large body of evidence What is true about a good hypothesis? I...

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  • October 13, 2024
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  • 2024/2025
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Review for Exam 1 Speers Biology 1610
SLCC Questions With Complete Solutions

Scientific Method A series of steps to plan and carry out investigations




Hypothesis vs. Theory Hypothesis- a testable observation


Theory- supported by a large body of evidence




What is true about a good hypothesis? It must be testable




What does falsifiable mean? Can be ruled out by data




4 main elements of life carbon, hydrogen, oxygen, nitrogen




Trace elements an element indispensable for life but required in extremely minute

amounts.




Elements & Isotopes Elements- any substance that cannot be broken down to any other

substance by chemical reactions

, Review for Exam 1 Speers Biology 1610
SLCC Questions With Complete Solutions
Isotopes- Different forms of the same element. Different number of neutrons.




Atoms Smallest unit of matter




Where is a proton located and what is the electrical charge? Proton is located in nucleus of

an atom and is a single positive electrical charge




Where is the neutron located and what is the electrical charge? Neutron is found in the

nucleus of an atom and has a neutral charge




Where is the electron located and what is the electrical charge? Electrons revolve around

the nucleus and is negatively charged




Which particle defines or distinguished different elements? Protons




What does the atomic number represent? The number of protons in an atom




What does the mass number represent? Total number of protons and neutrons in an atom

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