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WorksheetsScientific Method/Lab Safety Review
Total questions: 20
Worksheet time: 10mins
What is the control group in an experiment?
group that is being manipulated by variable
the group that controls all the other groups in an experiment
the group that is not affected by the variables and is used for comparisons
there should never be a control group in an experiment
Information gathered from observing a fish that grows 2 cm over a two-week period is called...
hypotheses
data
inference
variable
The dependent variable is also called the...
dependent variable
manipulated variable
responding variable
controlled variable
Analysis of an experiment is typically done using...
charts
diagrams
graphs
all of the above
Constants __________
are only found in the control group
are never good to have in an experiment
are all aspects of an experiment that do not change
none of these are correct
Hypotheses must be_________
able to be tested
an opinion
a question
correct every time
The independent variable is also called.....
responding variable
manipulated variable
controlled variable
constant
In an experiment, how many variables should change for it to remain valid?
0
1
2
3
If you are unsure about any part of your assignment you should.....
take a guess
ask your teacher
don't do the assignment
Three oak trees are kept at different humidity levels inside a greenhouse for 15 weeks. One tree is left outside in normal conditions. The heights of the trees are measured once a week.
What is the independent variable?
the oak trees
humidity levels
the heights
Three oak trees are kept at different humidity levels inside a greenhouse for 12 weeks. One tree is left outside in normal conditions. The heights of the trees are measured once a week.
What is the dependent variable?
the oak trees
humidity levels
the heights of the trees
Three oak trees are kept at different humidity levels inside a greenhouse for 12 weeks. One tree is left outside in normal conditions. The heights of the trees are measured once a week.
What is the control group?
the heights
the oak tree left in normal conditions
the three oak trees in the greenhouse
Which of the following is NOT a goal of science?
to explain events in the natural world
to use explanations to make useful predictions
to investigate and understand the natural world
to use data to support a particular point of view
How can you get in touch with your teacher?
Remind
HUB
all of the above
When creating a graph the dependent variable would be placed....
on the Y axis
on the X axis
either X or Y
Which of the following is NOT a way to generate a hypothesis?
using informed, creative imagination
using prior knowledge
using a feeling or guess about what should occur
using logical inference
Choose the correctly written hypothesis:
If light intensity increases, then the rate of photosynthesis will also increase because sunlight is required for light reactions.
Sunlight is required for hydrolysis during the light phase of photosynthesis so I think that photosynthesis will increase.
I think it should increase.
I think that the light will make the plants grow.
Data that is descriptive and cannot be counted is referred to as...
quantitate
qualitative
independent
dependent
Which type of graph would you use to graph percentages out of a whole?
bar graph
pie chart
line graph
No graph
What does this lab safety symbol represent?
fume hazard
flammable
open flame hazard
disposal hazard
