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Exploring Creation with scienc
This is to help me study for my test
16
Science
7th Grade
12/10/2008

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Term
Define the term: counter example
Definition
An example that contradicts a conclusion
Term
Define the following term: Hypothesis
Definition
An educated guess that attempts to explain an observation or answer a question
Term
Define the following term: Theory
Definition
A hypothesis that has been tested with a significant amount of data
Term
Define the following term: Scientific law
Definition
A theory that has been tested by and is consistent with generations of data
Term

When someone tells you that "science has proven" somethi, what shuld you say

Definition
Science cannot prove anything
Term
Does a scientific theory have to make sense
Definition
No, a scientific theory has only been tested a little bit. It has not been sufficiently tested yet
Term
A feather and a penny are dropped from the top of a building. Which will hit the ground first?
Definition
The penny, it has less air resistance than the feather.
Term

A feather and a penny are dropped down a long tube that has no air in it. Which will hit the bottom of the tube first?

Definition

Both. Without the substance of air there is no air resistance, hence they hit the bottom at the same time.

Term
What was the observation that Halley made to form his hypothesis?
Definition
Seeing the bright object, and that other scientists had seen it roughly 76 and 152 years ago.
Term
What was Halley's hypothesis?
Definition
That the objects were the same thing and it passed by earth roughly every 76 years. He said it would be seen again in 76 years. The year is 1682
Term

What was the experiment that confirmed Halley's hypothesis

Definition
That the object he had seen passed by the earth 76 years later, when he said it would.
Term
Regular appearances of Halley's comet have been found in history as far back as 2,000 years ago. Is the existence of Halley's comet a theory or scientific law?
Definition
Scientific law, because it has been proven over years of experiments.
Term
Put the following steps of the scientific method into their proper order. (A) Form a hypothesis (B) Theory is now a law (C) Make observations (D) Hypothesis is now a theory (E) Perform experiments to confirm the hypothesis (F) Perform many experiments over several years
Definition
C, A, E, D, F, B
Term
If a hypothesis does not agree with the experiment designed to confirm it, what two choices do you have?
Definition
Either to form a new hypothesis or to start over
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