Information or observations collected during an experiment are called _____.
Problem
Data/Results
Conclusion
Hypothesis
If I put my batteries in the fridge, they will last longer. What is the control group?
Batteries in the oven getting warm
Batteries in the fridge getting cold
Batteries on the countertop at room temperature
When we gather information using the 5 senses this is called....
forming conclusions
stating a hypothesis
performing experiments
making observations
The variable that is kept the same through the experiment is called a(n) _____.
Independent Variable
Dependent Variable
Hypothesis
Controlled Variable
How do experiments help scientist learn.
It only helps if they get thier hypothesis right.
It helps them become famous
It helps them answer questions about the world
It helps them learn only if they make new discoveries.
Why do scientists collect data during an observation or investigation?
To do math
To make a graph
For the science fair
To answer a question about the world
The final summary of the data and results is/are called a(n) _____.
Hypothesis
Inference
Conclusion
Experiment
The first step in the scientific method a scientist usually takes is to
create a testable question
create a conclusion
gather evidence
create a hypothesis
The process of testing a hypothesis under controlled conditions is called a(n) _____.
Data/Results
Observation
Experiment
Conclusion
Which of the follwoing is always an important part of an experiment?
observing things in nature
making drawings of things observed
identifying and cotrolling variables
making a working model
The variable that is measured in an experiment is known as which of the following?
Independent variable
Experimental variable
Dependent variable
Controlled variable
Why do scientists repeat experiments several times?
to memorize the procedures
to make sure their results are accurate
to change the variable each time
to use up all their materials
Which of the following would make the results of an experiment more reliable?
Changing the procedure
Change the hypothesis
Repeated/Multiple trials
Multiple variables
When you write down or record what is happening in your experiment it is called
an experiment
a conclusion
a hypothesis
an observation
What would happen if scientist didn't publish thier findings in journals?
People could steal thier work
They would never be famous
Other scientists would not benefit from thier work.
They could get too famous
What skill is a scientist using when she listens to the sounds that birds make?
Forming a hypothesis
Making observations
Interpreting data
Drawing conclusions
An educated guess or statement about what is going to happen is called a(n) _____.
Controlled Variable
Observation
Problem
Hypothesis
A control group is used
to compare a variable to
for multiple trials
as a conclusion
as data
If I put on stronger sunscreen, then I will burn less. What is the dependent variable?
Severity of sunburn
Strength of sunscreen
Time spent in the sunlight
Interpretting data: In the graph below what is the 2nd most popular sport in the school
basketball
other
soccer
softball
Which goes first in a scientific experiment?
conclusion
question or problem
data, tables and charts
hypothesis
Which is the best scientific question?
Which smart phone is the worst?
Which smart phone works very well?
Which smart phone has the most internal memory?
Which smart phone is the best?
Making an interpretation from an observation is called a(n) _____.
Controlled Variable
Hypothesis
Experiment
Inference
Does pipe material affect the temperature of flowing water? What is the dependent variable?
Pipe material
Diameter of the pipe
Water temperature
(True or False): A hypothesis is made before an observation has taken place.
False
True
Scientists share thier findings to....
so they don't have to repeat it
compete with each other
kep their work secret
learn from each other
The question that is being tested is called a(n) _____.
Problem
Data/Results
Experiment
Hypothesis
When we gather information with our senses - taste, touch, smell, see, hear - it is called.
making observations
performing experiments
forming conclusions
stating hypotheses
Which would you do first in a scientific investigation?
write a hypothesis
form a queston or probem
draw conclusions
organize data
What is the difference between the people who like cats and goldfish?
8
4
5
2
Scientific evidence is:
supported by popular votes
how people feel about things
data that supports your findings
what people like
If I increase my vitamin C intake, then I will have fewer colds. What is a controlled variable?
Amount of vitamin C
Number of colds
Amount of times you come in contact with germs
Why do scientists publish the results of their experiments?
so that other scientists can see that they are working
so that publishers can print books on science
so that other scientists can learn from what they did
to make money
A controlled experiment...
tests multiple variables
does not add any variables to the tests
only tests one variable
Ussually only includes one trial
If I floss more, then I will have fewer cavities. What is the independent variable?
Type of floss
Number of cavities
Amount of flossing
A variable can be controlled when:
You compare a normal group to a group you are testing on.
When none of your test groups are the same.
When all your test groups are the same.
When you make constant chages to the groups.