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GED Science Final Review

Total questions: 106

Worksheet time: 3hrs 39mins

Name
Class
Date
1.

The cell part found only in plant cells that provides support and structure to the cell is

a)

Cell membrane

b)

Cell wall

c)

Nucleus

d)

Chloroplast

2.

The control center of the cell. It contains the DNA

a)

Vacuole

b)

Chloroplast

c)

Nucleus

d)

Mitochondria

3.

Process that makes glucose and oxygen from water and carbon dioxide

a)

Photosynthesis

b)

Chloroplast

c)

Mitochondria

d)

Cellular respiration

4.

Cell parts that build proteins according to the DNA code

a)

Mitochondria

b)

Chloroplast

c)

Nucleus

d)

Ribosomes

5.
I am the outer most layer of an animal cell. What am I?
a)
cell wall
b)
nucleus
c)
cell membrane 
d)
cell skin
6.
Where are proteins made?
a)
Golgi body
b)
Mitoichondria
c)
Chromosomes
d)
Ribosomes
7.
What organelle is called the "powerhouse" of a cell?

a)
Endoplasmic Reticulum
b)
Nucleus
c)
Mitochondria
d)
Nucleolus
8.
What organelle helps with cell digestion?
a)
Lysosomes
b)
Ribosomes
c)
Golgi Complex
d)
ER
9.
What is the gel-like substance inside of cells called?

a)
photoplasm
b)
photosynthesis
c)
cytoskeleton
d)
cytoplasm
10.

Organism whose cells contain a nucleus

a)

Prokaryote

b)

Eukaryote

c)

Golgi apparatus

d)

Chloroplast

11.

Specialized structure that performs important cellular functions within a cell

a)

Vacuole

b)

Ribosome

c)

Organelle

d)

Nucleus

12.

The function of flagella is:

a)

Movement

b)

Provide Energy

c)

Protection

d)

Make Proteins

13.

What is the purpose of the scientific method?

a)

To solve problems and create experiments

b)

To research new information

c)

To practice safety

d)

To become a scientist

14.

Which is a good example of a hypothesis for the following scientific question, "Does playing violent video games lead to higher blood pressure?"

a)

Playing violent video games gives people higher blood pressure.

b)

If you have higher blood pressure, then you play violent video games.

c)

If you play violent video games you will have higher blood pressure.

d)

If you play violent video games, then you will have higher blood pressure.

15.

A dependent variable is __________.

a)

What is measured in an experiment

b)

What you change in an experiment

c)

A prediction about an experiment

d)

What stays the same in an experiment

16.

Which of these contains steps in the right order?

a)

Ask a question, form a hypothesis, research, plan and conduct an investigation, draw conclusions, report and share results, make a conclusion

b)

Form a hypothesis, ask a question, research, plan and conduct an investigation, draw conclusions, report and share results

c)

Observe and ask questions, form a hypothesis, plan and conduct an investigation, draw conclusions, report and share results

d)

Form a hypothesis, ask a question, research, report and share results, plan and conduct an investigation, draw conclusions

17.
What is the median?
a)
1.5 books
b)
2.60 books
c)
4 books
d)
2 books
18.
Which system pumps blood through your body?
a)
circulatory
b)
digestive
c)
respiratory
d)
muscular
19.
What important substance is replenished as blood flows through the heart?
a)
iron
b)
nitrogen
c)
water
d)
oxygen
20.
Where does digestion start?
a)
mouth
b)
throat
c)
stomach
d)
intestines
21.
Your lungs are part of which body system?
a)
circulatory
b)
respiratory
c)
digestive
d)
muscular
22.

What body system breaks down food?

a)

circulatory system

b)

nervous system

c)

digestive system

d)

respiratory system

23.

What body system controls movement of the human body?

a)

circulatory system

b)

nervous system

c)

digestive system

d)

respiratory system

24.

What body system takes oxygen into the body and gives off carbon dioxide?

a)

circulatory system

b)

nervous system

c)

digestive system

d)

respiratory system

25.
This system allows for movement of the body.
a)
skeletal
b)
nervous
c)
muscular
d)
integumentary
26.
Enzymes are considered to be 
a)
Lipids
b)
Carbohydrate
c)
Protein
d)
Nucleic Acid
27.
When you breathe, your lungs take in ___ and remove ___. 
a)
air/oxygen
b)
oxygen/carbon dioxide 
c)
carbon dioxide/waste 
d)
waste/air 
28.

Which of these is NOT a function of the digestive system?

a)

breaks down food

b)

absorbs nutrients

c)

eliminates waste

d)

takes oxygen to body cells

29.

This part of the brain helps with balance and coordination by controlling how the the muscles work together.

a)

cerebrum

b)

cerebellum

c)

brain stem

30.

The nervous system is composed of the ___, ___, and ___.

a)

heart, brain, kidneys

b)

lungs, liver, stomach

c)

brain, spinal cord, nerves

31.

What is the main organ of the circulatory system?

a)

small intestine

b)

bone

c)

lungs

d)

heart

32.
______________ are the smallest blood vessels.
a)
Arteries
b)
Veins
c)
Capillaries
33.
______________ are the second largest blood vessel. 
a)
Arteries
b)
Veins
c)
Capillaries
34.

Arteries carry oxygen rich blood away from the heart.

a)

True

b)

False

35.

What is the scientific study of heredity?

a)

Heredity

b)

Genetics

c)

Allele

36.

Choose the correct match.

a)

A genotype is the genetic makeup of an organism or

the set of genes an organism carries in its cells. A phenotype is the physical characteristics of an organism.

b)

A phenotype is the genetic makeup of an organism or

the set of genes an organism carries in its cells. A genotype is the physical characteristics of an organism.

37.

Small sections of DNA that control the traits of an organism

a)

genes

b)

DNA

c)

traits

d)

heredity

38.

Two versions of the same trait caused by genes that come from two different parents.

a)

allele

b)

dominant genes

c)

genetics

d)

recessive gene

39.
What allele combination should go in the missing box?
a)
AA
b)
Aa
c)
aa
d)
none of these
40.
Which statement best supports why many offspring look similar to their parents?
a)
Offspring inherit characteristics from one parent.
b)
Offspring inherit characteristics from both parents.
c)
Parents choose which characteristics to pass on to their offspring.
d)
Parents choose to change their appearance to match that of their offspring.
41.
When the allele combination is a dominate and a recessive trait together which trait will be seen?
a)
Dominate
b)
Recessive
c)
none
d)
both
42.
Homozygous is when...
a)
the alleles are the same
b)
the alleles are different
c)
the alleles are absent
d)
the alleles are present
43.
B = brown fur  b = white fur
In the punnett square, what is the probability for white fur? 
a)
0%
b)
25%
c)
50%
d)
75%
44.

The center of our solar system is the....

a)

Earth

b)

Sun

c)

Moon

d)

Asteroid belt

45.

There are _________ planets in our solar system.

a)

6

b)

7

c)

8

d)

9

46.

Scientists who study the solar system and outer space are called ______________.

a)

astronomers

b)

astronauts

47.

The _________ is the thickest layer.

a)

crust

b)

mantle

c)

outer core

d)

inner core

48.

The hottest layer is the ___________.

a)

crust

b)

mantle

c)

outer core

d)

inner core

49.

The _________ is the thinnest layer.

a)

crust

b)

mantle

c)

outer core

d)

inner core

50.
The outermost layer of the Earth that contains the continents and the oceans.
a)
mantle
b)
crust
c)
outer core
d)
inner core
51.
The plates that make up the Earth's crust that are responsible for continental drift.
a)
continental crust
b)
oceanic crust
c)
geologist
d)
tectonic plates
52.
The cracks in Earth's crust are called ___________.
a)
tectonic plates
b)
faults
c)
magma
d)
lava
53.
Mountains form from....
a)
Plates sliding past one another
b)
collision of plates
c)
plates moving away from each other
d)
none of these
54.

How many steps are there in the Geological Carbon Cycle?

a)

8

b)

9

c)

7

d)

6

55.

What is nitrogen fixation?

a)

Nitrogen incorporated into plant tissues

b)

Plants get nitrogen from nitrates

c)

A type of pineapple

d)

When nitrogen gas is converted into ammonia

56.

____________ is a process in which carbon dioxide is absorbed and converted into carbohydrates.

a)

Cellular respiration

b)

Photosynthesis

c)

Biosphere

d)

Carboniferous

57.

What is happening when one animal is consuming another?

a)

A plant is creating carbohydrates

b)

Energy is transferred through the food chain

c)

Carbon dioxide

d)

Plants absorb carbohydrates and water

58.

What is a food chain?

a)

The flow of energy from one thing to another

b)

The way animals eat each other

c)

The way the sun makes everything

d)

How the plants grow

59.
What is a producer? 
a)
Organism that creates their own food.
b)
Organism that eat other organisms for energy
c)
Organism that eat other dead organisms
60.
What is a consumer? 
a)
Organism that creates their own food.
b)
Organism that eat other organisms for energy
c)
Organism that eat other dead organisms
61.
What do Herbivores eat? 
a)
Plants ONLY 
b)
Animals ONLY
c)
Plants AND Animals
62.

An example of a predator:

a)

shark

b)

mouse

c)

rabbit

63.
Where does the energy start in this food chain?
a)
Plant
b)
Sun
c)
Deer
d)
Wolf
64.

What is a decomposer?

a)
b)
c)
d)
65.
Which of these is true about this food web?
a)
The Owl gets its energy from the producer.
b)
The Lion gets its energy only from a wild cat.
c)
The Kite gets its energy from the goat.
d)
The Mouse is most likely to die, several ways.
66.
Coal, petroleum, natural gas, and gold are all examples of
a)
land resources.
b)
nonrenewable resources.
c)
renewable resources.
d)
mineral resources.
67.
Plants, water, and solar energy are all examples of what kind of resources?
a)
Soil and land.
b)
Renewable
c)
Nonrenewable
d)
Biosphere
68.
Resources that can be replaced or restored are called
a)
natural resources.
b)
renewable resources.
c)
nonrenewable resources.
d)
biotic factors.
69.
Materials in nature that sustain life or can be used by humans are 
a)
biotic factors.
b)
renewable.
c)
natural resources.
d)
community.
70.
Fossil fuels are found in
a)
sedimentary rock formed by deposition.
b)
metamorphic rock formed by deposition.
c)
igneous rock formed by deposition.
d)
minerals formed by deposition.
71.

_________ is an all encompassing term for loose or unconsolidated material that originate from a parent rock (clastic), chemical precipitation, or chemical secretion by an organism

a)

Mud

b)

Sediments

c)

Quartz

d)

Erosion

72.

What is two or more substances that are together in the same place but their atoms are not chemically bonded.

a)

Mixture

b)

Solution

c)

Colloid

d)

Suspension

73.

___________________ is a measure of how much solute can dissolve in a given solvent at a given temperature.

a)

Solute

b)

Solvent

c)

Solubility

d)

Solution

74.

_______________ is a mixture containing small, undissolved

particles that do not settle out.

a)

Mixture

b)

Solution

c)

Colloid

d)

Suspension

75.

A ______________ is the part of a solution that is dissolved by a solvent.

a)

Solution

b)

Solvent

c)

Solute

d)

Solubility

76.

A mixture containing a solvent and at least one solute that has the same properties is called _____________

a)

Suspension

b)

Solution

c)

Mixture

d)

Colloid

77.

The part of a solution that is usually present in the largest

amount and dissolves a solute is called _______________

a)

Solvent

b)

Solution

c)

Solute

d)

Solubility

78.

________________ are mixtures that have different parts that can be seen.

a)

Solution mixture

b)

Pure mixture

c)

Homogenous mixture

d)

Heterogenous mixtures

79.

___________________ are mixtures that have a uniform or same appearance throughout it.

a)

Heterogenous mistures

b)

Homogenous mixtures

c)

Solution mixtures

d)

Pure mixtures

80.

If you rub a balloon on your hair, it will stick to a wall.

Which of these objects develops a negative charge because of this rubbing action?

a)

wall

b)

your hair

c)

your hands

d)

balloon

81.

Tyra and Mark produced static electricity in two balloons.

Which of the following is the best reason why the balloons push each other apart?

a)

The balloons have magnetic charges

b)

The balloons have no charges

c)

The balloons have opposite charges

d)

The balloons have the same charge

82.

Ashley is classifying some objects as conductors or insulators. What is the difference between conductors and insulators?

a)

A conductor allows electrical current to flow through it easily, while an insulator does not.

b)

An insulator allows electrical current to move through it easily, while a conductor does not.

c)

A conductor has a static charge, while an insulator does not.

d)

An insulator is a metal, while a conductor is not a metal.

83.

Abbie was making breakfast before school and used her toaster to warm her bagel. What energy transformation took place within her toaster?

a)

Electrical energy to heat and light energy.

b)

Electrical energy to sound energy.

c)

Electrical energy to mechanical energy.

d)

Electrical energy to light and sound energy.

84.
 The law of conservation of energy states that when one form of energy is converted into another,
a)
Energy is destroyed in the process
b)
Energy is created in the process
c)
No energy is destroyed in the process
d)
Energy is lost in the process
85.
Which energy-conversion process occurs whenever coal is burned at a power station?
a)
chemical to nuclear
b)
chemical to sound
c)
chemical to electrical
d)
mechanical to electrical
86.
When energy moves from one form to another it is said to be _________________
a)
Transformed
b)
Eliminated
c)
Lost.
d)
Created 
87.
Which has the most kinetic energy?
a)
a basketball rolling down a hill
b)
a bus stopped at the top of a hill
c)
a dump truck driving down a hill
d)
a golf ball sitting at the top of the hill
88.
Which is an example of chemical energy?
a)
a horse pulling a cart
b)
a dog digesting food
c)
a marching band in a parade
89.
The energy associated with motion is called
a)
Kinetic energy
b)
Elastic potential energy
c)
Gravitational potential energy
d)
Nuclear energy
90.
Light is an example of _________
a)
thermal energy
b)
radiant energy
c)
mechanical energy
d)
nuclear energy
91.
When you rub your hands together on a cold day, you use friction to convert
a)
Mechanical energy into thermal energy
b)
Thermal energy into nuclear energy
c)
Nuclear energy into electrical energy.
d)
Electrical energy into radiant energy
92.
The energy in a battery is _______ energy.
a)
kinetic
b)
potential
c)
mechanical
d)
nuclear
93.
What will happen when these magnets are brought close together?
a)
They will attract each other.
b)
They will repel each other.
c)
Both magnets will turn to the left
d)
Both magnets will turn to the right
94.
Iron, Nickel and cobalt are all __________________ materials
a)
Shiny
b)
poles
c)
magnetic
d)
cold
95.

An Atom

a)

cannot be broken into any smaller piece of matter

b)

is a molecule

c)

a chemical bond

d)

all of the above

96.

A molecule

a)

Has one type of atom

b)

As two or more different atoms

c)

is an element

d)

all of the above

97.

An element is

a)

Made up of different types of atoms

b)

Made up of the same type of atoms

c)

none of the above

d)

all of the above

98.

The three states of matter you find on the periodic table are

a)

Iron gold and silver

b)

solid liquid and gas

c)

freezing melting condensation

d)

non of the above

99.

A neutron is negatively charged

a)

true

b)

false

c)

none of the above

d)

all of the above

100.

A proton is a positively charged particle

a)

true

b)

false

c)

all of the above

d)

none of the above

101.

An electron has a _______ charge

a)

positive

b)

neutral

c)

negative

d)

none of the above

102.

What makes up the nucleus of the atom?

a)

Protons and neutrons

b)

Protons and electrons

c)

neutrons and electrions

d)

electrons

103.

two or more atoms that bind together form

a)

an element

b)

a molecule

c)

atoms

d)

none of the above

104.

Which pair of words best describes these rocks?

a)

rough and flat

b)

smooth and oval

c)

rough and round

d)

smooth and layered

105.

Which is not a state of matter?

a)

gravity

b)

gas

c)

solid

d)

liquid

106.

The way an object looks, tastes, smells, sounds, and feels are called ___.

a)

units of matter

b)

types of matter

c)

states of matter

d)

properties of matter

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