The Steps of the Scientific Method
Vocabulary
Invest-
igations
Water
Bubbles
100
State the problem as an inquiry question.
What is the first step of the scientific method?
100
data
What is pieces of information that a scientist will gather and analyze that is collected through research, experiments, and observations?
100
the scientific method
What is a logical process used by scientist to study the world around them?
100
H2o
What is the chemical formula for water?
100
a sphere
What shape is a free floating bubble?
200
hypothesis
What is the second step of the scientific method?
200
conclusion
What is the solution or answer to questions based on a scientist's investigation.
200
glycerin
What substance in bubble solution reduces surface tension?
200
One molecule of water has 2 atoms of hydrogen and 1 atom of oxygen.
What do H2O mean?
200
The light is reflecting off of the thin layers of the bubble film.
Why is a bubble colorful?
300
Design an experiment
What is the third step of the scientific method?
300
observations
What is the use of the five senses called to gather data.
300
weather, the design of the wand, the solution, the blowing techniques
What is three variables can affect a bubble investigation?
300
The attraction of the hydrogen and oxygen atoms in the water molecule.
What causes surface tension of water?
300
A bubble is a thin film of soapy solution enclosing air with the least amount of surface area.
What is a bubble?
400
Make an observation and record data.
What is the fourth step of the scientific method.
400
One variable has to change from the previous investigation.
What does an investigation have to include to be an experiment?
400
No because it is just as important to figure out why a hypothesis is incorrect.
Is it important that your hypothesis is always correct?
400
The paper clip or penny investigation
What investigation proved that water has surface tension?
400
A sphere holds volume of air in the least amount of surface area.
Why are all bubbles sphere shaped?
500
Draw a conclusion based on the experiment.
What is the fifth step of the scientific method?
500
hypothesis
What is a reasonable or educated guess based on observations or research.
500
the surface tension of water
What causes water droplets for form a dome on a penny?
500
rain drops, water skippers, water droplets on windows
When do you see water surface tension in everyday life?
500
evaporation of the water
Why do bubbles usually pop?
M
e
n
u