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Steps of The Scientific Method - 8th Grade Science
Transcript of Steps of The Scientific Method - 8th Grade Science
based on what you already know and have researched.
or statement about what you "think" will happen.
....you must be able to test it!
A series of steps used by scientists to solve a problem or answer a question.
will summarize your
and explain what happened in the experiment.
your results will either support or disprove your hypothesis.
If you accept it, then share your results with the scientific community
If your results don't support the hypothesis, explain why things did not go as expected.
Also known as the
the scientific method starts when you ask a question about something you observe: How, What, When, Who, Which, Why, or Where?
Collect information that provides insight into your topic through:
Reliable internet websites
Interview someone who
knows a lot about the topic
Books, magazines, journals
It is important to cite these resources.
Test your hypothesis
give you data (information) that
either supports or disproves your hypothesis
Always write down the list of
of the experiment.
STEPS OF THE SCIENTIFIC METHOD
Collect and organize your
(measurements and observations)
Display what happened in your experiment by
- making data tables
A mneumonic is a learning technique that uses a pattern of letters to assist in remembering information.
to remember the
5 Great Lakes.
Easy way for you to remember the scientific method is
How To Write a Hypothesis
We write it in an "
(I do this) _______,
_______ will happen.
the teacher leaves the classroom,
the students feel free to talk more, making the room noisier.
Write a hypothesis for this statement:
Chocolate may cause pimples.
you eat a lot of chocolates,
you will get pimples.
• Born in 1564 in Pisa, Italy.
• He is considered to be the first true scientist
because he performed
• An ancient Greek philosopher named Aristotle said that heavy objects fall faster than lighter ones. However, he never tested this idea.
• Later, Galileo would ask the question, “How much faster?”
• He sent his students up to the top of a building and had them drop a heavy ball and a lighter one off at the same time. He had other students waiting below to measure the difference in time between the two hitting the ground.
Today of course we know what happened. Much to everyone’s surprise both balls hit the ground at about the same time!
This shows that it is much preferred to test your ideas rather than merely think about them.
Step 1. Identify the
and collect information.
Step 3. Form a
– test your
– collect and organize data.
- report your results.
The Steps of THE SCIENTIFIC METHOD
Sample Test Question
Directions: Match each part of the story to a step of the SCIENTIFIC METHOD.
1. Kelly brushed her top teeth with Colgate and her bottom teeth with Crest for one week.
2. Kelly wondered which toothpaste would get her teeth whiter----Crest or Colgate?
3. Kelly determined that Crest make her teeth whiter than Colgate.
4. Kelly asked her dentist which brand of toothpaste he would recommend to make her teeth whiter.
5. Kelly believed that if she brushed with Colgate, then her teeth would be whiter because her friend brushes with Colgate.
6. After one month, Kelly’s bottom teeth (Crest) were whiter than her top teeth (Colgate).