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WorksheetsUnit 1 Life Science Test
Total questions: 25
Worksheet time: 16mins
Name
Class
Date
1.
Juan wanted to see if different tires would make his model car go faster. Juan correctly set up an experiment to test 4 different brands of tires on his model car. He recorded his data in the data table.
How many times did Juan conduct the experiment using Brand C tires?
How many times did Juan conduct the experiment using Brand C tires?
a)
One
b)
Two
c)
Three
d)
Four
2.
The mass of the rock was taken on a triple beam balance and the measurement is shown. What is the mass of the rock?
a)
430.6 g
b)
436.0 g
c)
436.8 g
d)
437.0 g
3.
For scientific data to be considered accurate and reliable, most science experiments should be
a)
Conducted as many times as possible
b)
Conducted 3 times
c)
Conducted only 1 time
d)
Repeated no more than 2 times
4.
The following table shows information about three different objects sitting on a bookshelf. Some data are missing from the table.
If object 3 has a gravitational potential energy of 196 J, what is its mass?
If object 3 has a gravitational potential energy of 196 J, what is its mass?
a)
10 kg
b)
196 J
c)
1.0 kg
d)
0.10 kg
5.
Which of the following questions about oceans is a testable, scientific questions?
a)
How much salt is in a gallon of ocean water?
b)
what is the best ocean for sight seeing?
c)
Are ocean fish tastier than freshwater fish?
d)
Is swimming in the ocean more fun than simming in a pool?
6.
What is the basic unit of liquid volume in the metric system?
a)
Liter
b)
Gram
c)
Meter
d)
Degree Celsius
7.
The International System of Units —
a)
involves multiplying and dividing by 2.8
b)
contains units based on multiples of 10
c)
contains units based on multiples of 10
d)
is a standardized system used only in the United States
8.
When measuring the mass of a baby mouse, what metric unit should be used?
a)
Militer
b)
Degrees Celsius
c)
Gram
d)
Kilometer
9.
What equipment would a scientist most likely use to measure the volume of a liquid?
a)
Ruler
b)
Graduated cylinder
c)
Triple beam balance
d)
Measuring cup
10.
Scientists use computer models to study how black holes form in space. What is the
most likely reason a computer model is being used?
most likely reason a computer model is being used?
a)
black holes are too small to study
b)
black holes do not actually exist
c)
black holes are too far from Earth
d)
black holes are to dark to study
11.
Tommy wanted to see if his plants would grow faster if they were placed under an artificial growing lamp instead of sunlight. He placed half of his plants in a room with two windows and an artificial growing lamp. He placed the other half of the plants in a room with six windows. What is one major mistake Tommy made in conducting this experiment?
a)
All of the plants received equal amounts of fertilizer.
b)
All of the plants were water the same amount.
c)
The plants receiving light from the artificial grow lamp also received sunlight.
d)
The plants receiving light from the artificial lamp were placed in different sized containers.
12.
What is the independent variable in the following hypothesis?
HYPOTHESIS: If I spend more time studying, then my grades in science will improve.
HYPOTHESIS: If I spend more time studying, then my grades in science will improve.
a)
Time spent studying
b)
Location for studying
c)
Playing soft music
d)
Improvement of grades
13.
What is empirical evidence?
a)
predictions based on previous scientific investigations
b)
redictions based on previous scientific investigations
c)
scientific theories, laws, and other explanations
d)
opinions of scientists and researchers
14.
Which phrase defines Scientific Theory?
a)
An untestable idea.
b)
An educated guess
c)
An accepted description
d)
A well-supported explanation
15.
A scientist was asked to present his research at a national conference. What step of
the scientific method is the scientist performing at the conference?
the scientific method is the scientist performing at the conference?
a)
He is drawing conclusions.
b)
He is testing his hypothesis.
c)
He is collecting data.
d)
He is communicating his results.
16.
What is not usually part of the scientific method?
a)
Forming a hypothesis
b)
Conducting an experiment
c)
Conducting a telephone survey
d)
Recording and analyzing datat
17.
Two students measured the length of the same sample of rock, but their
measurements were not the same. They wanted to find the cause of the difference.
Which of the following possibilities should not have contributed to the difference in
measurements?
measurements were not the same. They wanted to find the cause of the difference.
Which of the following possibilities should not have contributed to the difference in
measurements?
a)
One student measured from left to right; the other student measured from right to left.
b)
One student used a ruler; the other student used a measuring tape.
c)
Each student used a different technique for measuring length.
d)
One student measured units of cm; the other student measure in units of meters.
18.
Which sequence of events is a logical order of a scientific investigation?
a)
hypothesis --> experiment --> conclusion --> analysis of data
b)
analysis of data --> conclusion --> experiment --> hypothesis
c)
hypothesis --> experiment --> analysis of data --> conclusion
d)
experiment --> hypothesis --> analysis of data --> conclusion
19.
In an experiment, the factor being tested or changed on purpose is called....
a)
independent variable
b)
dependent variable
c)
experimental error
d)
constant
20.
Which of the following do you use when you make scientific observations?
a)
your senses
b)
other's comments
c)
others' belief
d)
your opinions
21.
On a graph, the independent variable is usually found on/in....
a)
the title of the graph
b)
on the X axis
c)
on the Y axis
d)
the Key
22.
In an experiment, the factor being measure as a result of changing the manipulated variable is called
a)
independent variable
b)
dependent variable
c)
experimental error
d)
constant
23.
Biology is the study of ...
a)
Chemicals
b)
Living things
c)
Rocks
d)
People
24.
On a graph, the dependent variable is found on the.......
a)
Title of the graph
b)
The Y axis
c)
The X axis
d)
The key of the graph
25.
This unit is primarily about
a)
Scientific Investigations
b)
Experiments
c)
Graphing
d)
Hypothesizing
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