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Scientific Method

Data that is taken showing 5 cm or 10 cm is showing quantitative or qualitative data? Quantitative
What data is observed but not measured numerically. Can be an opinion-using description. Blue, slimy, bitter taste etc. Qualitative
Why are constants so important to an experiment? So the ONLY thing affecting the outcome is the _____________ variable. independent
In the scientific method, you must have a ______to solve. problem or question.
After research, one makes a prediction or educated guess what might be the answer to your question. hypothesis
A hamster runs at a pace of 23 mph. He wants to know if vitamins will make him run faster. Write a testable question. Will taking vitamins have an affect on the speed of the hamster?
When you change something in your experiment, this is the _____variable. This is really what you are testing. independent
What you purposely keep the same each time you repeat the experiment... constants
What is the EFFECT of the independent variable? It is measurable. dependent variable
To make sure your conclusion is correct, you must do each experiment as least ____ times. Why? 3, You need to make sure you have a true or valid answer.
I love race gocarts. My regular green one goes 450 mph. I wonder if I have more weight in my gocart if it will go faster. What is my control group, the gocart with no extra weight or the gocart with extra weight? regular green gocart
Will adding fertilizer to plants affect how tall the plant grows? Is this testable? yes
Does the price of fertilizer affect how tall a plant can grow? What is IV and DV? IV-different fertilizers DV-height of plant
Does the type of hair spray Justin Bieber use affect how long he can sing? IV and DV? IV-different hairsprays DV-how long he can sing
Formulate a testable question. You have a problem. Your digital alarm clock isn't loud enough to wake you up. You want to test different alarm clocks to see if one is louder than the other. Does the type of alarm clock affect how loud the alarm is?
Does the type of bird food affect how fast the Road Runner can run? IV and DV? IV-type of bird food DV- how fast he can run
Burrito boy is a great student! Testable Question: Does studying 15 minutes a night on his flashcards have an effect on becoming a better student? WHAT IS WRONG WITH THIS QUESTION? NEVER USE BETTER OR BEST. WE CAN'T MEASURE IT. Burrito boy is still a good student :).
Barbie wants to know what type of high heels she can run the fastest in. Oh Barbie....high heels are bad for your feet. What is the IV and DV? The IV is what I purposely change-the type of shoes. The DV, how fast she can run! Run Barbie Run!!!
Ty races racecars for Nascar in his free time. He wonders if the car with the bigger tires will be the fastest. What is iv and dv? Iv-type of tires Dv-speed of car
X axis is the independent variable
I wanted to know which shoes would prevent blisters. I bought a new pair of shoes and a new pair of socks and took data for two weeks. What did I do wrong? The socks should have stayed the same. Only change one thing.
The group that nothing is changed is called the ... control group
Created by: mrsyoung