Scientific method
1st step of scientific method
What is an observation or identifying a problem?
Testable or not?: What is the most fun sport?
untestable
What is a constant?
What you keep the same in an experiment.
The variable that the scientist changes on purpose is....
independent
In what movie is there a rabbit, also named Thumper?
Bambi
your prediction or scientific guess
what is a hypothesis?
Explain why “What is the best type of music?” is NOT a testable question.
-Does not have an independent nor a dependent variable
Why are constants important?
to keep your experiment fair
keeps your independent variable independent
The dependent variable is what the scientist
measures or observes
What are Mrs. Spotanski's kids' names?
Sonny + Winona
The last step of the scientific method
What is communicating results?
What is the independent variable in this question:
If I drink more caffeine in the morning, will I get more work done during the work day?
the amount of caffeine
In an experiment testing how types of music affect concentration, name one thing that should be kept constant.
- headphones
- volume
-same type of work
Which variable is graphed on the x-axis?
independent (MIX - Manipulated/changed, Independent, X-axis)
What is the fourth planet from the sun?
Mars
Why do scientists share results with each other?
to teach others about their results
What two variables must be included in your testable questions?
Independent and dependent
A control is used to test whether an experiment is __________________
working
How many independent variables can you have in one experiment?
ONE
Which organ system helps you breathe?
respiratory (lungs)
The information you collect in an experiment
What is data?
Write a testable question about plants!
*answers vary*
In an experiment about how light affects mold growth on bread, name 3 things to keep constant:
- amount/brand of bread
- temperature
- same measuring tool
A student tests how temperature affects the time it takes for chocolate to melt. List the IV, DV, and two constants
IV - temperature
DV - time to melt chocolate
Constant - amount of chocolate, brand/type of chocolate
What do plants make during photosynthesis?
Oxygen (O2) and sugar
BONUS 200 points: what does the plant need in order to do photosynthesis?