What skill is a scientist using when she listens to the sounds that birds make?
Interpreting data
Drawing conclusions
Forming a hypothesis
Making observations
The first step in the scientific method a scientist usually takes is to
create a conclusion
gather evidence
create a hypothesis
create a testable question
When we gather information using the 5 senses this is called....
forming conclusions
performing experiments
making observations
stating a hypothesis
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
Interpretting data: In the graph below what is the 2nd most popular sport in the school
softball
basketball
other
soccer
Why do scientists collect data during an observation or investigation?
To make a graph
To do math
For the science fair
To answer a question about the world
If I put my batteries in the fridge, they will last longer. What is the control group?
Batteries in the oven getting warm
Batteries on the countertop at room temperature
Batteries in the fridge getting cold
A variable can be controlled when:
When you make constant chages to the groups.
When all your test groups are the same.
When none of your test groups are the same.
You compare a normal group to a group you are testing on.
The third step in the scientific method is ....
research
data
conclusion
hypothesis
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 would you do first in a scientific investigation?
write a hypothesis
organize data
draw conclusions
form a queston or probem
A controlled experiment...
does not add any variables to the tests
Ussually only includes one trial
tests multiple variables
only tests one variable
Scientific evidence is:
how people feel about things
what people like
data that supports your findings
supported by popular votes
Which is the best scientific question?
Which smart phone is the best?
Which smart phone has the most internal memory?
Which smart phone works very well?
Which smart phone is the worst?
Scientists share thier findings to....
so they don't have to repeat it
kep their work secret
learn from each other
compete with each other
Making an interpretation from an observation is called a(n) _____.
Inference
Hypothesis
Experiment
Controlled Variable
When you write down or record what is happening in your experiment it is called
an experiment
a conclusion
a hypothesis
an observation
The final summary of the data and results is/are called a(n) _____.
Experiment
Conclusion
Hypothesis
Inference
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
When we gather information with our senses - taste, touch, smell, see, hear - it is called.
stating hypotheses
performing experiments
forming conclusions
making observations
Does pipe material affect the temperature of flowing water? What is the dependent variable?
Water temperature
Diameter of the pipe
Pipe material
Information or observations collected during an experiment are called _____.
Problem
Hypothesis
Data/Results
Conclusion
Which of the following would make the results of an experiment more reliable?
Multiple variables
Changing the procedure
Repeated/Multiple trials
Change the hypothesis
What is the difference between the people who like cats and goldfish?
4
8
2
5
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
How do experiments help scientist learn.
It only helps if they get thier hypothesis right.
It helps them answer questions about the world
It helps them become famous
It helps them learn only if they make new discoveries.
The process of testing a hypothesis under controlled conditions is called a(n) _____.
Data/Results
Conclusion
Experiment
Observation
A control group is used
for multiple trials
to compare a variable to
as data
as a conclusion
(True or False): A hypothesis is made before an observation has taken place.
False
True
If I increase my vitamin C intake, then I will have fewer colds. What is a controlled variable?
Amount of times you come in contact with germs
Number of colds
Amount of vitamin C
The variable that is kept the same through the experiment is called a(n) _____.
Hypothesis
Controlled Variable
Independent Variable
Dependent Variable
The question that is being tested is called a(n) _____.
Problem
Hypothesis
Experiment
Data/Results
Why do scientists repeat experiments several times?
to memorize the procedures
to make sure their results are accurate
to use up all their materials
to change the variable each time
An educated guess or statement about what is going to happen is called a(n) _____.
Hypothesis
Observation
Problem
Controlled Variable
Which goes first in a scientific experiment?
data, tables and charts
question or problem
hypothesis
conclusion
Which of the follwoing is always an important part of an experiment?
making a working model
observing things in nature
making drawings of things observed
identifying and cotrolling variables
The variable that is measured in an experiment is known as which of the following?
Dependent variable
Experimental variable
Controlled variable
Independent variable