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Unit 1: The Science of Biology

Total questions: 45

Worksheet time: 1hrs 27mins

Name
Class
Date
1.

What are the constant variables?

a)

what we are changing or testing

b)

what we are observing or measuring

c)

what we keep the same to make the experiment fair

2.
The variable the is changed on purpose is..
a)
Constant
b)
Control
c)
Independent Variable
d)
Dependent Variable
3.

The variable the is measured is..

a)
Constant
b)
Control
c)
Independent Variable
d)
Dependent Variable
4.

Scientific Question: Will a person fall asleep faster if they listen to music?

What is the variable we measure?

a)

music

b)

time to fall asleep

c)

person

5.
What is the INDEPENDENT  variable (cause) is this experiment? 
"Which type of medium is best for plant growth?" 
a)
height of plant (cm)
b)
type of medium (soil vs. sand)
c)
amount of medium
d)
types of plant
6.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, what is the dependent variable?
a)
Type of plant
b)
Water, apple juice, milk
c)
Plant growth
7.
The higher the temperature of water, the faster the egg will cook.  Select the independent variable.
a)
Faster Egg Cooks
b)
Higher Temperature
8.

What is the most basic (smallest) functional level of organization/life?

a)

Organisms

b)

Cells

c)

Ecosystems

d)

Biosphere

9.

A prediction that can be tested is a 

a)

conclusion.

b)

hypothesis.

c)

theory

d)

independent variable.

10.

What do we call the maintenance of internal conditions of an organism within a certain boundary range?

a)

Evolution

b)

Homeostasis

c)

Photosynthesis

d)

Adaptation

11.

Which of the following is NOT a characteristic of living things?

a)

grows and develops

b)

consists of more than one cell

c)

can reproduce

d)

maintains homeostasis

12.

All living things try to maintain a stable internal environment.  This is known as ______________.

a)

Photosynthesis

b)

Homeostasis

c)

Adaptation

d)

Evolution

13.

Which step is generally first in a scientific investigation?

a)

making observations

b)

making a hypothesis

c)

performing the experiment

d)

drawing conclusions

14.

Science can change and is a continually ongoing process.

a)

True

b)

False

15.

Which of these contains the steps of the scientific method in the correct order?

a)

Ask a question, do background research, state your hypothesis, conduct an experiment, analyze data, make a conclusion

b)

State your hypothesis, ask a question, do background research, conduct an experiment, analyze data, make a conclusion

c)

Ask a question, state your hypothesis, do background research, conduct an experiment, make a conclusion, analyze data

d)

State your hypothesis, ask a question, do background research, make a conclusion, conduct an experiment, analyze data

16.
Which of the following would be considered quantitative data?
a)
Color
b)
Smell
c)
6.84 cm
d)
texture
17.

If the observation has describing words and characteristics, then it is ___.

a)

qualitative

b)

quantitative

18.

If the observation has numbers and a label, then it is ___.

a)

qualitative

b)

quantitative

19.

Classify the observation as qualitative or quantitative: hot water

a)

qualitative

b)

quantitative

20.

Classify the observation as qualitative or quantitative: gritty texture

a)

qualitative

b)

quantitative

21.
Which represents the independent and dependent variables in this scenario?
a)
I - gallons of fuel
D - miles driven
b)
I - miles driven
D - gallons of fuel
c)
I - time driven
D - fuel remaining
d)
I - fuel remaining
D - time driven
22.
What is a theory?
a)
Describes what happens
b)
Explains a process
23.
What is a law?
a)
Describes what happens
b)
Explains a process
24.

Theory or Law? _________ of Thermodynamics: Matter can never be created or destroyed. Tells what happens with matter.

a)

Theory

b)

Law

25.
Evolution is the widely held notion that all life is related and has descended from a common ancestor: the birds and the bananas, the fishes and the flowers
 -- all related That is, complex creatures evolve from more simplistic ancestors naturally over time.
a)
Fact
b)
Theory
c)
Law
26.
You observe that, upon waking up each morning, your trashcan is overturned and trash is spread around the yard. You propose that raccoons are responsible. Is this fact, a law, a theory, or a hypothesis?
a)
Fact
b)
Law
c)
Theory
d)
Hypothesis
27.

In science, a well-substantiated explanation that has been well-tested and peer reviewed is?

a)
Fact
b)
Theory
c)
Law
d)
Hypothesis
28.

A scientist collected the following data on algal growth during an experiment:

Which of the following conclusions could be drawn from the data?

a)

Algae multiply most rapidly at 35°C.

b)

Algae multiply most slowly at 20°C.

c)

Algae multiply most slowly at 10°C.

d)

Algae multiply most rapidly at 20°C.

29.
This double line graph for rainfall in two cities shows what pattern?
a)
Rain is steady all year.
b)
It is rainier in the summer months than in winter.
c)
It is the rainiest in winter.
d)
There is no rain.  Both cities are dry year round.
30.
It is hot outside. You start sweating. In this case, the hot weather is the...
a)
stimulus
b)
response
c)
cause and effect
d)
responder
31.
A worm turns away from light is an example of a worm
a)
reproducing
b)
doing cellular respiration
c)
having cells
d)
responding to its environment
32.

Over three years, Tim's height has increased from 5'4" to 5'11". Which characteristic of life does this represent?

a)

All living things contain cells

b)

All living things maintain homeostasis

c)

All living things use energy

d)

All living things grow

33.
When a baby kitten becomes an adult cat, this is an example of...
a)
energy metabolism
b)
growth and development
c)
response to stimuli
d)
having cells
34.
Which of the following is the correct order of organization in living things from most basic (simple) to most complex?
a)
a.  Organism, cell, tissue, organ, organ system
b)
a.  Organ system, organ, tissue, cell, organism
c)
a.  Cell, tissue, organ, organ system, organism
d)
a.  Cell, organ, tissue, organ, organism, organ system
35.

___________a molecule that is present in all living cells and that contains the information that determines the traits a living thing inherits and needs to live.

a)

Cell

b)

Stimulus

c)

Homeostasis

d)

DNA

36.
In order for something to be considered a living organism, it must display _____ of the eight characteristics of living things.
a)
one
b)
some
c)
all
d)
more than half
37.

Why do we use ethics in Science?

a)

To restrict how we do science

b)

To ensure that we only sometimes do the right thing

c)

To ensure that we are always doing the right thing in our experiments

d)

To justify everything that we do

38.

A particular preference or point of view that is personal, rather than scientific.

a)

trials

b)

bias

c)

variable

d)

outcome variable

39.
What step does every scientific experiment begin with?
a)
hypothesis
b)
question/problem
c)
procedures
d)
conclusion
40.
Which scientific instrument would best be used for measuring an amount of time?
a)
Ruler
b)
Balance
c)
Stopwatch
d)
Magnifying Glass
41.
What is the part of the experiment that is left alone or “natural", and is used to compare back to?
a)
Independent Variable
b)
Dependent Variable
c)
Control Group
d)
Experimental Group 
42.
What do you do to test a hypothesis?
a)
Guess
b)
Design an experiment
c)
Create a spreadsheet with data
d)
Publish a scientific paper
43.

What is the last step of scientific method?

a)

hypothesis

b)

observe

c)

communicate

d)

question

44.
Why do scientists use the scientific method?
a)
To make sure they get credit for their discoveries.
b)
To make sure their results are valid and can be performed by other scientists.
c)
So that other scientist don't get mad at them
45.

Which of the following is NOT a testable question?

a)

How do rockets work?

b)

Does fertilizer help plants grow bigger?

c)

Does heart rate increase with exercise?

d)

Does the freezing point of water change at different elevations?

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