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Practice Final exam for extra credit

Total questions: 91

Worksheet time: 2hrs 43mins

Name
Class
Date
1.

Which step involves making an educated guess about the question?

a)

experimenting

b)

stating the purpose

c)

drawing a conclusion

d)

formulating a hypothesis

2.

Which step involves testing the hypothesis?

a)

drawing a conclusion

b)

experimenting

c)

formulating a hypothesis

d)

stating the purpose

3.

What step of the scientific method involves stating the answer to the question?

a)

Drawing a conclusion

b)

Formulating a hypothesis

c)

Asking a question

d)

Conducting a fair test

4.

What is the reading on the graduated cylinder?

a)

28 mL

b)

24 mL

c)

25 mL

d)

29 mL

5.

What is the mass reading on the triple beam balance?

a)

265 g

b)

255 g

c)

257.6 g

d)

265.7 g

6.

How many cm is the red line?

a)

2.5 cm

b)

2.3 cm

c)

23 cm

d)

24 cm

7.

Robert wanted to know if the type of phone you used gave you better or worse service. What is the independent variable?

a)

Location of phone call

b)

Type of phone

c)

How good the service was

d)

Type of data provider

8.

Robert wanted to know if the type of phone you used gave you better or worse service. What is the dependent variable?

a)

Location of phone call

b)

Type of phone

c)

How good or bad the service was

d)

Type of data provider

9.

Sarah wanted to find out if the size of a car tire made it a smoother ride over bumps. What is the independent variable?

a)

Size of tire

b)

How smooth the ride was over bumps

c)

Type of car

d)

Type of tire

10.

Which hypothesis is correctly written for the question, "Does a person's heart rate increase with increasing sound volume?"

a)

If the volume of the sound is increased, then the heart rate will increase.

b)

If a person's heart rate is increased, then the sound volume will increase.

c)

If soothing music was played, then a person's heart rate will decrease.

d)

If the sound volume increases, then the person will not be able to sleep.

11.

What type of data has been collected according to the picture?

a)

procedure

b)

qualitative

c)

inference

d)

quantitative

12.

What type of data has been collected according to the picture?

a)

qualitative

b)

analysis

c)

inference

d)

quantitative

13.

Five students design an experiment to answer the question: “How is heart rate affected by running?” Two chairs were set up at different ends of a large room. The pulse rate of each student was taken at rest just before running. Each of the five students ran between the chairs a different number of times. Their pulse rates were taken after running and the results are shown in the table above:


If a control group is not included in an experiment, it would be difficult to:

a)

formulate a hypothesis for the experimental group.

b)

make observations about the experimental group

c)

record data in a data table

d)

draw a valid conclusion

14.

What is the process of gathering information by using your senses called?

a)

observation

b)

inference

c)

hypothesis

d)

theory

15.

What is a theory?

a)

An educated, untested guess.

b)

Exactly like a law.

c)

An explanation to believed to be always true and unchanging.

d)

An explanation of an event based on repeated observations and experiments.

16.

5. What part of an experiment is not tested on, and used as a comparison to the experimental group to see if an experiment had any effect?

a)

control group or control

b)

experimental group

c)

hypothesis

d)

conclusion

17.

What is a factor, or variable, that changes because the scientist manipulated the independent variable?

a)

independent variable

b)

dependent variable

c)

controlled variable

d)

missing variable

18.

What is a factor that does not change during an experiment called?

a)

variable

b)

constant

c)

hypothesis

d)

experiment

19.

What is the factor, or variable, that is manipulated in an experiment to change the dependent variable called?

a)

constant

b)

converging variable

c)

independent variable

d)

dependent variable

20.

What is an inference?

a)

Using your five senses to gather information

b)

a qualitative observation

c)

a quantitative observation

d)

An explanation or interpretation of an observation

21.

What is a quantitative observation?

a)

an observation using numbers

b)

an observation using description an no numbers

c)

an observation using experimentation on animals

d)

a hypothesis

22.

What is the formula for the volume of a regular solid?

a)

Density = mass/volume

b)

Force = mass/time

c)

V= length x width x height

d)

Mass times weight

23.
The amount of space an object takes up is called
a)
volume
b)
mass
c)
weight
d)
length
24.
Series of steps scientists follow to solve problems
a)
Scientific method
b)
Investigation methods
c)
Experiment guidelines
d)
Standard procedures
25.
The most important lab safety rule is
a)
Follow teacher's instructions and textbook directions exactly
b)
Always wear a lab apron
c)
Always wear safety goggles
d)
Design & conduct your own experiment without asking your teacher
26.
What is the first thing you should do if a lab accident occurs?
a)
Run out of the room screaming
b)
Tell your teacher
c)
Find the emergency equipment
d)
Go to the nearest hospital
27.

____ is credited with being the first scientist to observe cork cells.

a)

Leewenhoek

b)

Shleidon

c)

Hooke

28.

An organism made of only one cell is called _____ .

a)

Eukaryotic

b)

Mutlicellular

c)

Monocellular

d)

Unicellular

29.
Which statement is a part of the cell theory?
a)
all cells come from preexisting cells
b)
bacteria are prokaryotic cells
c)
eukaryotic cells are complex
d)
humans are multicellular
30.

Robert Hooke named the small compartments that made up the cork __________after the rooms monks lived in.

a)

organelles

b)

membranes

c)

mocroscopes

d)

cells

31.

Cell theory states that...

a)

cells are the basic building block of life

b)

cells are cool

c)

cells are microscopic

d)

cells cannot be destroyed

32.

What type of organisms does the cell theory apply to

a)

bacteria

b)

multicellular organisms

c)

plants and animals

d)

all of the above

33.
This scientist concluded that animals and, in fact, all living things are made of cells:
a)
Hooke
b)
Leeunwenhoek
c)
Schleiden
d)
Schwann
34.
This scientist proposed that all cells come from other cells:
a)
Leeunwenhoek
b)
Schleiden
c)
Schwann
d)
Virchow
35.
This scientist concluded that plants are made of cells:
a)
Virchow
b)
Schwann
c)
Schleiden
d)
Leeunwenhoek
36.
This scientist observed live cells and observed greater detail:
a)
Hooke
b)
Leeunwenhoek
c)
Virchow
d)
Schwann
37.

All cells have DNA

a)

True

b)

False

38.

The nucleus is a organelle inside eukaryotic cells

a)

True

b)

False

39.

What is an organelle?

a)

Organelles are cells found in organisms

b)

Organelles are structures inside of cells

c)

Organelles are structures inside prokaryotic cells

40.

A prokaryotic cell is a _________

a)

cell with one nucleus

b)

cell with two nuclei

c)

cell without a nucleus

41.

A cell with a nucleus is called

a)

Eukaryotic

b)

Prokaryotic

42.

The organism with eukaryotic cell is called

a)

Yeast

b)

Eukaryote

c)

Prokaryote

d)

Plant

43.

The most common prokaryote is

a)

Archaea

b)

Bacteria

c)

Yeast

44.

Bacteria do not have _______ but have ________

a)

nucleus, DNA

b)

DNA, nucleus

c)

DNA, organelles

45.
Rigid, outermost layer of the plant cell
a)
nucleus
b)
cell membrane
c)
cell wall
d)
cytoplasm
46.
Functions in energy production, known as the energy factory of the cell
a)
mitochondria
b)
chloroplast
c)
vacuole
d)
cytoplasm
47.
The control center that controls all the functions of the cell
a)
cytoplasm
b)
cell wall
c)
cell membrane
d)
nucleus
48.
Contains chlorophyll and is where photosynthesis takes place. Found in plant cells only.
a)
mitochondria
b)
chloroplast
c)
vacuole
d)
cytoplasm
49.
Semi-permeable layer around the cell that encloses the contents of the cell
a)
nucleus
b)
cell membrane
c)
cell wall
d)
chloroplast
50.
jelly-like substance that is located between the cell membrane and the nucleus
a)
mitochondria
b)
chloroplast
c)
vacuole
d)
cytoplasm
51.
I am located in the nucleus – I’m the genetic material of a cell
a)
cytoplasm
b)
membrane
c)
chromosomes/DNA
d)
vacuole
52.
I store water in both plant and animal cells. What am I?
a)
cytoplasm
b)
ribosomes
c)
vacuole
d)
lysosomes
53.
Which organelle uses energy from sunlight to make sugar?
a)
mitochondria
b)
nucleus
c)
chloroplasts
d)
vacuoles
54.
What is diffusion?
a)
when molecules move from a low concentration to a high concentration 
b)
when molecules move from a high concentration to a low concentration.
c)
no movement 
d)
molecules move everywhere
55.
Where is there a high concentration of water?
a)
in the flower
b)
cannot be determined by picture.
c)
in the vase
d)
in the leaves
56.
Osmosis
a)
diffusion of water molecules through a semi-permeable mebrane from an area of low concentration to an area of high concentration
b)
the diffusion of particles from an area of high concentration to an area of low concentration
c)
diffusion of water molecules through a semi-permeable membrane from an area of high concentration to an area of low concentration
d)
the diffusion of particles from an area of low concentration to an area of high concentration
57.
The picture below is an example of _________________.
a)
osmosis
b)
isotonic
c)
diffusion
d)
active transport
58.
Osmosis is the movement of _____ across a membrane.
a)
food
b)
energy
c)
oxygen
d)
water
59.
Permeable means
a)
things can pass through
b)
the concentration levels are different
c)
it is permanent
d)
things are stuck
60.
What a cell needs to transport particles by active transport?
a)
Sun
b)
Wind
c)
Energy
d)
Channels
61.
HYPO means...
a)
Low
b)
High
c)
Equal
d)
Fat
62.
What is the function of ATP in living things?
a)
provides energy for cells
b)
stores genetic information
c)
provides structure in the nucleus
63.
Why does the white blood cell perform endocytosis to move the bacteria or virus to the centre of its cell. 
a)
 to move it away from harm
b)
to digest and destroy it
c)
to trap it and keep it in 'prison'
d)
 to allow it free passage through the blood stream. 
64.
Active transport _______ and is the movement of a substance from _____ to _____ concentration
a)
requires energy, high to low
b)
requires no energy, low to high
c)
 requires no energy, high to low
d)
 requires energy, low to high
65.
Passive transport
a)
 always occurs slowly
b)
 does not require energy
c)
requires energy
66.
What do the terms hydrophobic and hydrophilic mean?
a)
loves water and hates water
b)
 loves hydrogen and hates hydrogen
c)
hates hydrogen and loves hydrogen
d)
 hates water and loves water
67.
Osmosis is a form of ______________. 
a)
Passive Transport
b)
Active Transport
68.
Movement of materials from high to low concentration through a protein channel. 
a)
Passive Transport
b)
Active Transport
69.
Solutes move against the concentration gradient, therefore energy is needed. 
a)
Passive Transport
b)
Active Transport
70.
Which compound has the most atoms?
a)
H2O
b)
O2
c)
C3H6O3
d)
NaCl
71.
What does this image represent?
a)
Atom
b)
Element
c)
Molecule
d)
Marshmallows
72.
How many elements are in the following equation:
HO2C
a)
2
b)
1
c)
4
d)
3
73.
Bonds between atoms in a molecule form as a result of the sharing  of?
a)
formulas
b)
electrons
c)
atoms
d)
chemicals
74.
H2O2← ?
This number tells the number of atoms present.
a)
coefficient
b)
molecule
c)
subscript
d)
atom
75.
Atoms that have the same number of protons but different numbers of neutrons.
a)
Isotopes
b)
Neutron
c)
Proton
d)
Atomic Mass
76.
Atoms are most stable when their outer shell is complete.
a)
true
b)
false
77.

How many valence electrons does hydrogen have?

a)

4

b)

3

c)

2

d)

1

78.
What are the four biological molecules?
a)
proteins, carbohydrates, lipids, nucleic acids
b)
A, T, C, G
c)
water, air, earth, and fire
d)
Joe, Nick, and Kevin Jonas
79.
What is the formula of Glucose?
a)
C3H16O36
b)
C632H123O239
c)
C6H12O6
d)
C12H6O12
80.
A large, folded chain of amino acids.
a)
protein
b)
steroid
c)
monosaccharide
d)
enyzme
81.

Select all that are raw materials for Photosynthesis.

a)

Water

b)

Carbon Dioxide

c)

Oxygen

d)

Sunlight (Light Energy)

e)

Glucose (Sugar/food)

82.

Select all that are products of Photosynthesis.

a)

Water

b)

Carbon Dioxide

c)

Oxygen

d)

Sunlight (Light Energy)

e)

Glucose (Sugar/food)

83.

Is Oxygen a Raw Material (Ingredient) or Product of Photosynthesis?

a)

Product

b)

Raw Material

c)

Niether

d)

What's Photosynthesis?

84.

Is Glucose (C6H12O6) a Raw Material (Ingredient) or Product of Photosynthesis?

a)

Product

b)

Raw Material

c)

Niether

d)

What's Photosynthesis?

85.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
CO2 + light + H2O --> O2 + Sugar
b)
CO2 + sugar + H2O --> O2 + light
c)
O2 + light + H2O --> CO2 + Sugar
d)
CO2 + O2 + H2O --> Light+ Sugar
86.
Most plants appear green because chlorophyll
a)
absorbs green light.
b)
absorbs violet light.
c)
does not absorb green light.
d)
does not absorb violet light.
87.
Plants need carbon dioxide from their environment to produce glucose during which stage of photosynthesis? 
a)
The light-dependent stage
b)
The light-independent stage (The Calvin Cycle)
c)
The electron transport chain
d)
ATP formation
88.

The main energy source of energy on earth comes from the

a)

Sun

b)

wall socket

c)

Gasoline

d)

Justin Beiber's new album

89.
Cellular Respiration's goal is to
a)
make water
b)
make ATP
c)
make glucose
d)
make  oxygen
90.
What is cellular respiration?
a)
the breakdown of glucose  to release ATP
b)
the breakdown of glucose to release NADH
c)
the breakdown of glucose to release FADH
d)
the breakdown of glucose to release carbon
91.
What is the correct equation for cellular respiration?
a)
6O2 + C6H12O6 -> 6CO2 + 6H2O + Energy
b)
6O2 + C6H12O6 + Energy -> 6CO2 + 6H2O
c)
6CO2 + 6H2O -> 6O2 + C6H12O6 + Energy
d)
6CO2 + 6H2O + Energy -> 6O2 + C6H12O6

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