Laws & Theories QuizIzz

A scientific theory is (a)   and  is a well-substantiated explanation of some aspect of the natural world. 

• A random guess
• An explanation of observations, eve
• A law of nature
• A historical fact

What is a scientific law?

• A hypothesis that has been proven over and over again

• A rule that describes a pattern in nature that only states that an event will occur under certain circumstances

• An untested idea that scientists have studied

• A philosophical concept

What can a scientist create?

• A theory based on data

• A hypothesis using a testable scientific question

• A law that all species must follow

• A fact

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What is an example of a scientific theory?

• Conservation of Matter and Energy

• Newton's ideas of motion

• Ideas of why the dinosaurs are extinct and why the continents are where they are.

• Conservation of brain cells

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Which of the following is one of Newton's contributions to science?

• Newton's 3 Laws of Motion

• Bernoulli's Law

• Boyle's Gas Law

• Charles' Gas Law

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Scientific theories and laws are used to (a)  

• Make predictions of events
• Create new elements
• Disprove other theories
• Only study biology

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What is the main focus of the Law of Conservation of Energy?

• Energy cannot be created or destroyed

• Mass cannot be created or destroyed

• Objects in motion stay in motion

• Fluids flow faster in narrow spaces

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What is a common characteristic of scientific laws?

• They are temporary

• They are used to make predictions about what will happen

• They are only theories

• They are not accepted by scientists

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Which of the following best describes a scientific theory?

• An untested hypothesis

• A random guess about natural phenomena

• A well-substantiated explanation of some aspect of the natural world

• A law that has been proven beyond doubt

What is the primary purpose of a scientific hypothesis?

• To summarize existing scientific laws

• To offer a testable explanation for a phenomenon

• To provide a definitive answer to a scientific question

• To replace outdated scientific theories

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