WorksheetsPre-Unit ISTEP Review
Total questions: 15
Worksheet time: 11mins
Name
Class
Date
1.
A controlled experiment allows the scientist to isolate and test
a)
a conclusion
b)
a mass of information
c)
several variables
d)
one variable
2.
The _________ is the basic unit of life?
a)
cell
b)
buffer
c)
chloroplasts
d)
plants
3.
Levels of organization of living things include __>Tissue>__>organ systems>__.
a)
organ, cell, organism
b)
cell, organism, organ
c)
organism, cell, organ
d)
cell, organism, organ
4.
A possible explanation to a problem that has not yet been tested.
a)
data
b)
theory
c)
hypothesis
d)
fact
5.
This variable in an experiment is the one being deliberately changed by the scientist.
a)
dependent variable
b)
independent variable
c)
data
d)
control group
6.
The study of life.
a)
biology
b)
psychology
c)
metric system
d)
scientific method
7.
In this graph, what is the dependent variable?
a)
Walla Walla Island
b)
Time
c)
Number of Deer
8.
In this graph, what is the independent variable?
a)
Population
b)
Day
c)
Species 5
9.
Living things change during their lives through
a)
reproduction
b)
growth and development
c)
making responses
d)
adaption and organization
10.
living things adjust to a stimulus by a reaction called a(n)
a)
response
b)
homeostasis
c)
enviroment
d)
growth spurt
11.
The information collected after experiments is called
a)
data
b)
research
c)
hypothesis
d)
conclusion
12.
When you step out into the cold, your body shivers in order to keep its temperature at 98.6F.
a)
All living things use energy
b)
All living things contain cells
c)
All living things maintain homeostasis
d)
All living things grow
13.
A baby song bird hatches from its egg with both parent songbirds watching.
a)
All living things reproduce
b)
All living things maintain homeostasis
c)
All living things use energy
d)
All living things grow
14.
A pill bug (roly poly) eats a carrot.
a)
All living things contain cells
b)
All living things use energy
c)
All living things maintain homeostasis
d)
All living things grow
15.
YOU are a multi-celled organism but an amoeba is a single celled organism.
a)
All living things have cells
b)
All living things grow
c)
All living things use energy
d)
All living things respond to their environment
100 %
