Which of the following WOULD NOT affect the number of drops that would fit on a penny?
size of penny/
distance from penny/
age of penny/
outside temperature/
age of penny
100
The Mystery Substance(Sodium Polyacrylate) would be considered a :
Observation/
Hypothesis/
Material/
Procedure/
Material
100
A ________________ variable is what you are measuring or observing during the experiment.
manipulated/
dependent/
controlled/
title/
dependent
100
The name of an experiment is called the...
Title
100
In the Alka Seltzer experiment what was the dependent variable?
Time
200
When a Scientist is watching, he/she is:
hypothesizing/
creating/
observing/
drawing conclusions/
Observing
200
Why is it important for scientists to conduct controlled experiments?
They get paid more/
so they can get results/
so they can check what factors affect variables/
so they can get better results/
so they can check what factors affect variables
200
The prediction you make or your best guess about what you think will happen is called your
Hypothesis
200
Name two out of the four roles a scientific group must have.
collector
leader
recorder
reporter
200
During the Alka Seltzer experiment, which water temerature dissolved the tablet the fastest?
Hot Water
300
Which variable does a Scientist change on purpose?
dependent/
controlled/
manipulated/
hypothesis/
manipulated
300
Which skill does a scientist usually NOT USE while conducting an experiment?
observing/
tasting/
collecting data/
measuring/
tasting
300
The _______________are steps that you take as you complete the experiment.
controlled/
procedure/
conclusion/
leader/
procedure
300
This person writes down the groups ideas
Recorder
300
The recorder of a group writes down his or her own ideas.
True or False
False
400
The first step in the scientific method is:
Question/
Conclusion/
Hypothesis/
Procedure/
Question
400
What was the manipulated variable in the Alka Seltzer experiment?
dissolving rate/
size of cup/
time of day/
temperature of water/
temperature of water
400
______________ is the "thickness" of a substance, the resistance of a liquid to flow.
Viscosity
400
This person sometimes needs to look over the recorder's notes
reporter
400
The variable a scientist changes on purpose is called the ...
Manipulated variable
500
What is a Dependent variable?
A variable that the scientist keeps the same/
A variable that the scientist changes/
A variable affected by other factors/
A variable that the scientist adds water to/
A variable affected by other factors
500
Items used during an experiment are called your:
procedures/
materials/
stuff/
things/
materials
500
The order that you do things in an experiment is the ________________ in the Scientific Method.
Procedure
500
This person is responsible for seeing that everyone helps clean up and have all the materials they need.
Collector
500
A variable that is affected by other factors is called the...