How Does the Scientific Method Help Scientists Acquire Information?
What Makes a Good Question?
2 Notes
A good question can be supported in many ways that prove, add on to, and test your question(s).
Has an answer and can be tested
Can be measured and experimented
Builds on what you already know
When answered leads to other good questions
A bad question can be answered in a few words or doesn’t lead to other discussions
Good EX: How do stars create elements? Bad EX:Can you eat grass?
Hypothesis-educated guess
Once I asked my mom what football was. She told me it was where people ran into each other and threw a ball, and then I asked her why.
What happens when an experiment doesn’t lead to a hypothesis being supported?
4 Variables and Hypothesis, 5 experiment
Even if the hypothesis is wrong you must be unbiased and accept the data because it tells how the experiment actually went.
Make sure all variables are correct
Make sure conditions are same for every test
Test several times
Accept data because it will lead to more accurate data in future
I thought the bouncy ball would bounce higher, I was wrong, but I still wrote down that the ping pong ball bounces higher
How can data collection be more accurate?
5 Experiment, 8 Metric System
Data collection can be more accurate the more something is tested and proven or disproven.
Use sig figs to understand what values are important in your data
Use metric so everyone can understand it and to convert it easier if needed
Test multiple times to get the most accurate results
Independent variable- a variable that is not controlled by another variable
Dependent variable- a variable whose value is controlled by another variable
Control- the first test that has controlled variables to make the other tests have value
Constants- variables that don’t change
While testing the first time we did it wrong but we tested it many other times to find out that the first time was an outlier and our data became more accurate
Why is it important to know the metric system?
8 Metric System
It is important to know because it is easier to convert and places all over the world use it.
All but three countries in the world use it
It is easier to convert than the imperial system because it is in powers of 10
Measurements are more accurate because there are more measurement points
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I was trying to measure my pencil but there was no 10th of an inch but there is a 10th of a centimeter