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