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WorksheetsChapter 1 Test Review
Total questions: 28
Worksheet time: 21mins
Which of the following is NOT a branch of science?
Physical
Investigations
Earth
Life
When a hypothesis is not supported then
it needs to be modified
it invalidates the experiment
you change the data
it does not matter
Scientist communicate results through
written journals
science conferences
the internet
all of the above
What is an act of uses your senses to gather information?
Prediction
Constant
Observation
Dependent
What is a statement of what will happen next in a sequence of events?
Prediction
Constant
Observation
Dependent
What are factors in an experiment that remain the same?
Constants
Variables
Predication
Model
What is the metric system based off of?
number 10
the force of gravity on an object
number 12
amount of substance in an object
What is volume?
the amount of matter in an object
the amount of space taken up by an object
the measure of how much mass is contained in a given volume
the force acting on an object
What are bar graphs?
must add up to 100%
uses categories to quickly represent data
when a graph has no clear trend
a line graph in which the data points yields a straight line
What is an independent variable?
what the scientist changes
a data point that is clearly not a part of a graph trend
when a graph has no clear trend
the variable you measure
What is a dependent variable?
the factor that may change in response to the independent variable
a replication of an experiment
an attempt by a different group of scientist to conduct the same experiment
the factor that is purposely changes to test hypothesis
What units are for a small empty shoe box?
cubic centimeters
grams
degrees
liters
If you purposely change temperature in an experiment that is your _____________.
independent variable
responding variable
experimental variable
dependent variable
What unit is for a small amount of liquid medicine?
millimeter
milligram
milliliter
none of these
What unit would you use to measure DeLaura Middle to Universal Studios?
millimeters
centimeters
meters
kilometers
If you give rats different amounts of vitamin A to see how their weight is affected, what is the independent variable?
groups of rats
amount of vitamin A
three weeks on diet
their weight
If you give rats different amounts of vitamin A to see how their weight is affected, what is the dependent variable?
groups of rats
amount of vitamin A
three weeks on diet
their weight
Scientific knowledge is based on
opinions
evidence
guesses
predictions
What is a hypothesis?
an observation
a repeated experiment
a possible answer
an accurate measure
Which is a testable question?
How do apples reproduce?
Why is my dog the best behaved?
Where can I look to view Venus?
How does the mass of the car affect its speed?
What do scientist use?
observations
question asking
research
all of these
What describes a scientific model?
only can be accessed on computers
involves electricity
helps visualize concepts
always has accuracy
What is the most important in getting valid results?
Technology
Unbiased observer
Controlled outcome
Only one changed variable
What does the "R" in DRY MIX mean?
right side
retest
results
responding
What does the "I" in DRY MIX mean?
Independent variable
Isolated
Inclusive
Impossible
What kind of graph is this?
Bar graph
Pie Chart
Line graph
Scatter plot
What is the independent variable? (remember DRY MIX)
Scores on 10 basic math tests
The score
The test number
The data
What is the dependent variable? (remember DRY MIX)
Scores on 10 basic math tests
The score
The test number
The data
