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WorksheetsIntro to Science
Total questions: 25
Worksheet time: 50mins
The factor being tested in an experiment is the
control
hypothesis
theory
variable
Which of the following is an inference?
You believe the Moon has craters when you look through a telescope
You believe it rained when you see a mud puddle
You believe the temperature is 75 degress by checking the thermometer
You believe that a tree has 43 tree-rings by counting them
Information that you get from your senses(sight, hearing, smell, taste, touch) are_________
Inferences
Observations
Things
Fake
An educated guess is a
Hypothesis
Theory
Conclusion
Observation
The thing you change in an experiment is the _______ variable
Independent
Dependent
Control
Changing
The thing you measure in an experiment is the _____ variable
Dependent
Independent
Control
Measuring
The things you keep the same in an experiment are the _______ variables.
Independent
Dependent
Control
Same
What is quantitative data?
data using numbers and measurements
data using observations and descriptions
data using drawings and your senses
What is the DEPENDENT variable (effect) in this experiment?
"Does eating breakfast improve test scores?"
eating breakfast or not
the grade you got on the test
what time you get up in the morning
how tasty the breakfast is
You are testing how the amount you water a plant affects its growth. What would be the INDEPENDENT VARIABLE in this experiment.
They type of pot you put the plants in.
The amount you water each plant.
The amount of sunlight the plants get.
The amount the plant grows.
These are the variables that should stay the same. They do not get any changes in order to make for a fair test.
Dependent Variables
Controlled variables
Independent Variables
A student wants to test the hypothesis of "If salt is added to water then the boiling point of water will decrease (go down)." What is the independent variable?
Whether salt is added or not
Boiling Point
Amount of water
How many independent variables are allowed to be changed in an experiment?
1
2
as many as you want
0
What kind of graph is this called?
Circle graphg
Line graph
Pie chart
Bar graph
What is the independent variable in this graph?
Tadpoles
Year
Frogs
Number of tadpoles in the pond
Which of the following is a good way to analyze data?
check over and then copy it
put it away for a few months to see it if makes more sense later
organize it into charts, graphs, do calculation if necessary
try to find some way to make it support your hypothesis
During which step of the scientific method do you determine the purpose of the investigation?
Question/Problem
Experiment
Conclusion
Analyze
Check off the Steps of the Scientific Method
Tests the hypothesis
Ask the Question
Inferring
Predicting
Do Reseach/Make observations
The candy was sour.
Qualitative Data
Quantitative Data
There are 13 boys and 14 girls in fifth period.
Qualitative Data
Quantitative Data
Hours is the dependent variable
Number of E. Coli Bacteria is the dependent variable
