worksheet: scientific theories and scientific la
part 1: reading – what are theories and laws?
in science, the words theory and law mean something very different than in everyday life.
- scientific law: a statement that describes a pattern or relationship found in nature. it tells
happens, but not necessarily why it happens. laws are often expressed mathematically.
example: newton’s law of gravity states that every object attracts every other object with
describes how gravity works, but it doesn’t explain the deeper reason why gravity exists.
- scientific theory: a well - tested explanation of why certain events or patterns happen. th
supported by lots of evidence and can change as new evidence is discovered.
example: the theory of evolution explains how species change over time through natura
key difference:
- a law describes what happens.
- a theory explains why it happens.
neither is “better” than the other. they serve different purposes, and both are extremely im
science.
1. what is a scientific law?
2. what is a scientific theory?
3. what is the main difference between a theory and a law?
4. why is it wrong to say “a theory becomes a law when it is proven”?
5. give one example of a scientific law and one example of a scientific theory.
part 3: comparing theories and laws
feature scientific theory scientific law
definition
ells us...
ample
n it change?
part 4: data and graph practice
entist studies falling objects. she measures how fast a ball falls from different height
ht (m) time to fall (s)

Question

worksheet: scientific theories and scientific la
part 1: reading – what are theories and laws?
in science, the words theory and law mean something very different than in everyday life.
- scientific law: a statement that describes a pattern or relationship found in nature. it tells
happens, but not necessarily why it happens. laws are often expressed mathematically.
  example: newton’s law of gravity states that every object attracts every other object with
describes how gravity works, but it doesn’t explain the deeper reason why gravity exists.
- scientific theory: a well - tested explanation of why certain events or patterns happen. th
supported by lots of evidence and can change as new evidence is discovered.
  example: the theory of evolution explains how species change over time through natura
key difference:
- a law describes what happens.
- a theory explains why it happens.
neither is “better” than the other. they serve different purposes, and both are extremely im
science.
1. what is a scientific law?
2. what is a scientific theory?
3. what is the main difference between a theory and a law?
4. why is it wrong to say “a theory becomes a law when it is proven”?
5. give one example of a scientific law and one example of a scientific theory.
part 3: comparing theories and laws
feature  scientific theory  scientific law
definition
ells us...
ample
n it change?
part 4: data and graph practice
entist studies falling objects. she measures how fast a ball falls from different height
ht (m)  time to fall (s)

Accepted Answer

### Question 1: What is a scientific law?
# Brief Explanations:
From the reading, a scientific law is defined as a statement describing a natural pattern/relationship, telling what happens (not why), often mathematical.
# Answer:
A scientific law is a statement that describes a pattern or relationship found in nature. It tells what happens, but not necessarily why it happens. Laws are often expressed mathematically.

### Question 2: What is a scientific theory?
# Brief Explanations:
The text says a scientific theory is a well - tested explanation for why certain events/patterns happen, supported by much evidence and changeable with new evidence.
# Answer:
A scientific theory is a well - tested explanation of why certain events or patterns happen. The theory is supported by lots of evidence and can change as new evidence is discovered.

### Question 3: What is the main difference between a theory and a law?
# Brief Explanations:
The key difference section states a law describes what happens, while a theory explains why it happens.
# Answer:
A law describes what happens, and a theory explains why it happens.

### Question 4: Why is it wrong to say “a theory becomes a law when it is proven”?
# Brief Explanations:
The reading shows laws and theories have different purposes: laws describe what, theories explain why. They don't transform into each other as they serve distinct roles.
# Answer:
It is wrong because a scientific law describes what happens in nature, and a scientific theory explains why it happens. They serve different purposes in science and do not transform from one to the other (a theory does not become a law even when proven, as they have distinct roles).

### Question 5: Give one example of a scientific law and one example of a scientific theory.
# Brief Explanations:
The text gives Newton’s Law of Gravity as a law example (describes gravity’s action) and the Theory of Evolution as a theory example (explains species change over time).
# Answer:
- Scientific Law Example: Newton’s Law of Gravity (states that every object attracts every other object and describes how gravity works).
- Scientific Theory Example: The Theory of Evolution (explains how species change over time through natural selection).

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Question 1: What is a scientific law?

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Question 2: What is a scientific theory?