1. No category

Spring 2015 Review Sheet Answers
Scientific Method and Measurement:
1. Define the following:
Manipulated variable - the
things that are being compared or tested in
the experiment
Responding variable - what you are counting or measuring in the
experiment
Control variable - the
variable(s) that must stay the same in all parts
of the experiment
2. Draw a graph from the data in the table below. Be sure
include all parts of the graph. Be able to read and draw
conclusions from a graph. Draw a graph from the data in the
below. Be sure to include all parts of the graph.
Number of People That Have
Them
Favorite
pet
Cat
Dog
Bird
Lizard
Number of
people who
have them
15
25
5
10
to
table
30
25
Number of
People That
Have Them
20
15
10
5
0
cat
dog
bird
lizard
3. Describe each step in the scientific method. What is an observation? An inference?
Problem – the question you are trying to solve
Observations – background information on the topic
Hypothesis – a likely explanation for the problem (If…then…)
Experiment – a test of the hypothesis
Collect data – organize the data in a table and graph the results
Conclusion – an explanation of what you learned and what you
would do differently next time
Observation is a fact
Inference is your opinion of what might have happened.
4. What is the volume in the graduated cylinder in milliliters?
180ml
10.4ml
5. What is the mass on the triple beam balance in grams?
6. What is the length of each line in centimeters?
_______________________________
____
7.3 cm
1 cm
What is the length of each line in millimeters?
_____
12mm
_______________
35mm
20ml
144.1 g