Different microscopic organisms cause different diseases. When a dangerous microscopic organism is transferred from one person to many people, the disease it carries will spread.

Why is this considered a theory instead of a hypothesis or a law?

a. It is a statement of fact about how nature works instead of an explanation.
b. It provides an explanation for many observations and accepted hypotheses.
c. It describes how to test a possible explanation of one specific relationship.
d. It has not changed over time even though new technology has been developed.
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Which statement is a scientific law?

a. Scientists use genes to explain why evolution happens.
b. Genes are long patterns that are similar to computer codes.
c. A person’s traits are controlled by different forms of a gene.
d. The discovery of genes changed how scientists think about life.
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Different microscopic organisms cause different diseases. When a dangerous microscopic organism is transferred from one person to many people, the disease it carries will spread.

Why is this considered a theory instead of a hypothesis or a law?

a. It is a statement of fact about how nature works instead of an explanation.
b. It provides an explanation for many observations and accepted hypotheses.
c. It describes how to test a possible explanation of one specific relationship.
d. It has not changed over time even though new technology has been developed.
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Which is the order of microscopes, from greatest magnification to the least?

a. scanning tunneling → transmission electron → compound light
b. scanning tunneling → compound light → transmission electron
c. transmission electron → scanning tunneling → compound light
d. compound light → transmission electron → scanning tunneling