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NAFS Model Exam

Total questions: 102

Worksheet time: 2hrs 42mins

Name
Class
Date
1.

When last estimated, how many different species did Scientists estimate there are on Earth?

a)

1 million

b)

10 thousand

c)

8.7 million

d)

100 million

2.

Which of the following is the worlds largest living organism?

a)

Blue Whale

b)

Elephant

c)

Fungus - Armillaria ostoyae

d)

quaking aspen tree

3.

Which of these animals is an AMPHIBIAN?

a)

Dog

b)

Frog

c)

Cat

d)

Spider

4.

Which of these animals is a MAMMAL?

a)

Bird

b)

Mouse

c)

Shark

d)

Frog

5.

Which are types of vertebrates?

a)

Fish and jellyfish

b)

Mammals and insects

c)

Amphibians, birds, fish, mammals and reptiles

d)

Crustaceans

6.

What season is it in the Southern Hemisphere when it is Autumn in the Northern Hemisphere?

a)

Winter

b)

Summer

c)

Autumn

d)

Spring

7.

One rotation of Earth is equal to

a)

Day

b)

Month

c)

Year

8.

Where on Earth can you experience entire days of darkness?

a)

The equator

b)

The poles

c)

The tropic of Cancer

d)

The tropic of Capricorn

9.

Which section of Earth is composed primarily of liquid metal?

a)

Crust

b)

Mantle

c)

Inner core

d)

Outer core

10.

When a volcano no longer erupts, the lava inside cools and forms

a)

Sedimentary rock

b)

Igneous rock

c)

Metamorphic rock

d)

Ash

11.

A mountain range is MOST LIKELY formed due to

a)

erosion of the land around a mountain

b)

deposition from a nearby river that results in soil accumulated over time

c)

they have always existed, but due to their density, they are never changed

d)

tectonic plates shifting during an earthquake

12.

What is the most abundant gas in the atmosphere?

a)

Oxygen

b)

Nitrogen

c)

Carbon dioxide

d)

Ozone

13.

Approximately how much of available water on Earth is fresh water?

a)

1%

b)

11%

c)

53%

d)

97%

14.

A species survives better than another because it has better adaptations. This is an example of what?

a)

Replication

b)

Evolution

c)

Natural selection

d)

Selective breeding

15.

Who is Charles Darwin?

a)

First man to go to the moon in 1969

b)

First man to discover DNA and the human genome

c)

First man to discover adaptations to support his theory of evolution by natural selection

16.

What is Newton's first law of motion?

a)

Every action has an equal opposite reaction

b)

An object in motion stays in motion unless acted upon by an unbalanced force

c)

The force acting on an object is equal to the mass of an object times its acceleration

d)

Sandwich

17.

What is the atomic number of oxygen?

a)

5

b)

Sandwich

c)

8

d)

17

18.

What is the molecular structure of table salt?

a)

Sandwich

b)

Molecular who?

c)

H2O

d)

NaCl

19.

Biology is the study of what?

a)

Life

b)

Sandwich

c)

The human brain

d)

Weather

20.

Energy=____to the speed of light squared

a)

Gravity

b)

Mass

c)

Sandwich

d)

Lightning

21.

What female Nobel Prize winner conducted research on radioactivity?

a)

Sandwich

b)

Tierra Guinn

c)

Marie Curie

d)

Isaac Newton

22.

Who was Dimitri Ivanovich Mendeleev?

a)

Periodic table inventor

b)

Sandwich

c)

A singer

d)

An Astronomer

23.

What is the formula for force?

a)

Net force ÷\div Mass

b)

Sandwich

c)

Mass ×\times Acceleration

d)

Mass ×\times Velocity

24.

What was the first animal sent into space?

a)

Alfred the monkey

b)

Laika the dog

c)

Ursula the fish

d)

Sandwich

25.

A low voice has...

a)

Short wavelengths

b)

No wavelengths

c)

Sandwich

d)

Long wavelengths

26.

How long does it take for light to get from the Sun to the Earth?

a)

150 million years

b)

10 seconds

c)

8 minutes

d)

Sandwich

27.

What is the melting point of gallium?

a)

Sandwich

b)

85.5 Degrees F

c)

577.3 Degrees F

d)

100 Degrees C

28.

What is an Herbivore?

a)

Meat eater

b)

Sandwich

c)

Plant & Meat eater

d)

Plant eater

29.

A black hole is formed when...

a)

After a supernova occurs

b)

When a white dwarf turns into a black dwarf

c)

When a black dwarf turns into a black dwarf

d)

Sandwich

30.

What happens when you put something in between two pieces of bread?

a)

Isaac Newton

b)

A supernova

c)

The periotic table

d)

Sandwich

31.

What is this

a)

A cylinder that gratuated

b)

Tube

c)

Thing

d)

Graduated cylinder

32.

What is this

a)

Micro

b)

Scope

c)

Microescope

d)

Microscope

33.

What is this

(a)  

34.

What is this

a)

One beam balance

b)

Double beam balance

c)

Triple beam balance

d)

Quadruple beam balance

35.

What is this

a)

wait scale

b)

weipht scale

c)

weight scale

d)

mass

36.

What is this

a)

Graduated cylinder

b)

Tube

c)

Beaker

d)

Seaker

37.

What is the unit of a 2d shape's volume measured using a rular

a)

cm^3

b)

cm^2

c)

ml

d)

cm

38.

What is the unit of a 3d shape's volume measured using a rular

a)

cm^3

b)

cm^2

c)

ml

d)

cm

39.

What is the unit of an object's volume measured using a beaker or a graduated cylinder

a)

cm^3

b)

cm^2

c)

ml

d)

cm

40.

What is the unit of mass

a)

kilos

b)

grams

c)

miles

d)

ml

41.

This planet rotates on its side.

a)

Mercury

b)

Earth

c)

Neptune

d)

Uranus

42.

The second largest planet

a)

Jupiter

b)

Saturn

c)

Uranus

d)

Neptune

43.

The red planet

a)

Venus

b)

Mars

c)

Jupiter

d)

Mercury

44.

Planet with no atmosphere

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

45.

Planet with the most rings

a)

Jupiter

b)

Saturn

c)

Uranus

d)

Neptune

46.

Planet with a great red spot caused by a continuous storm

a)

Mars

b)

Earth

c)

Jupiter

d)

Neptune

47.

The hottest planet

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

48.

Planet with thick atmosphere of carbon dioxide

a)

Mars

b)

Venus

c)

Mercury

d)

Jupiter

49.

Two planets with no moons

a)

Mercury & Mars

b)

Mercury & Earth

c)

Venus & Mars

d)

Venus & Mercury

50.

Planet with two moons

a)

Earth

b)

Mercury

c)

Mars

d)

Jupiter

51.

A day is longer than a year on this planet

a)

Jupiter

b)

Mars

c)

Venus

d)

Earth

52.

Planet with the shortest day

a)

Earth

b)

Mercury

c)

Jupiter

d)

Saturn

53.

All planets have moons

a)

inner planets

b)

outer planets

54.

Another word for inner planets

a)

terrestrial planets

b)

ice giants

55.

Another name for outer planets

a)

terrestrial planets

b)

gas giants

56.

Planets revolve around the sun faster

a)

inner planets

b)

outer planets

57.

Planets rotate faster

a)

inner planets

b)

outer planets

58.

Gravity of this object keeps planets in their orbits

a)

moon

b)

sun

c)

Jupiter

59.

Two things that affect an object's gravity are mass and distance

a)

true

b)

false

60.

Planets are relatively close together

a)

inner planets

b)

outer planets

61.
This scientist discovered and named the cell.
a)
Robert Hooke
b)
Anton Van Leeuwenhoek
c)
Goldberg
d)
Mathias Schleiden
62.
Which of the following is NOT a cell theory.
a)
All non-living things are made of cells
b)
All cells come from pre-existing cells
c)
Cells are the basic unit of structure and function of all living things
63.
This type of cell needs a cell wall and chloroplasts
a)
Plant cell
b)
Animal Cell
c)
Bacteria
64.
The powerhouse of the cell is the...It converts energy from food into energy the cell can use
a)
Mitochondrion
b)
Golgi body
c)
Nucleus
d)
Ribosomes
65.
Where are proteins made? These are small, grain-like or rod shaped organelles.
a)
Golgi body
b)
Mitoichondrion
c)
Chromosomes
d)
Ribosomes
66.
This organelle is like a recycling center for the cell. It breaks down old materials. It is like a vacuum cleaner that cleans up the waste in cells.
a)
Ribosomes
b)
Lysosomes
c)
Mitochondria
d)
Chloroplasts
67.
Plants perform photosynthesis through this organelle.  It captures energy from the sun and uses it to produce food for the cell.
a)
Chlorophyll
b)
Chloroplasts
c)
Mitochondria
d)
Golgi Apparatus
68.
This structure is a storage area for the cell. Plants usually have one large one.
a)
Lysosome
b)
Vacuole
c)
Ribosome
d)
Golgi Body
69.
This structure packages and distributes proteins throughout the cell. 
a)
Golgi Body
b)
Lysosome
c)
Ribosome
d)
Mitochondria
70.
Tiny cell structures that carry out specific functions within the cell.
a)
membranes
b)
nucleus
c)
organelles
d)
animalicules
71.

Which of the following is not a form of heat transfer?

a)

Convection

b)

Conduction

c)

Insulation

d)

Radiation

72.

Which of the following are examples of heat transfer through conduction? You may choose more than one.

a)

Using hand warmers to warm up your hands

b)

Hot air balloon rising

c)

Burning your hand on a curling iron

d)

Spoon getting hot while sitting in hot tea

73.

Which of the following are examples of heat transfer through convection?

You may choose more than one.

a)

Hot air balloon rising

b)

The second floor of a house is warmer than the first floor

c)

Boiling water on the stove

d)

Sitting around a campfire and feeling the heat from the flames

74.

Which of the following are examples of heat transfer through radiation? You may choose more than one.

a)

Feeling the heat from a candle

b)

The water at the top of the pool feels warmer than the deep end

c)

The sun warming the Earth

d)

A space heater warming the room

75.

Convection, conduction or radiation?

Smoke rising in a room due to a fire

(a)  

76.

Convection, conduction or radiation?

Chocolate melting in your hand

(a)  

77.

Convection, conduction or radiation?

A hot air balloon rising in the sky

(a)  

78.

Convection, conduction or radiation?

The heat a snake feels from the lamp above him

(a)  

79.

Convection, conduction or radiation?

The reason heating vents are usually placed in the floor of homes in the North.

(a)  

80.

Convection, conduction or radiation?

The reason you use an oven mitt to get a cookie sheet out of the oven.

(a)  

81.

Convection, conduction or radiation?

Heat from a blow dryer

(a)  

82.

Convection, conduction or radiation?

Heat you feel from an electric blanket

(a)  

83.
The main purpose of the ____________ system is to break food particles into pieces that can be used.
a)
circulatory
b)
respiratory
c)
digestive
d)
skeletal
84.
What is responsible for delivering oxygen and removing carbon dioxide from the body?
a)
cell nucleus
b)
excretory system
c)
nervous tissue
d)
respiratory system
85.
The __________ is the main organ of the nervous system.
a)
heart
b)
lungs
c)
brain
d)
skin
86.
Which of the following body systems work together for support, protection, and movement?
a)
respiratory and cardiovascular
b)
skeletal and muscular
c)
skeletal and integumentary
d)
digestive and respiratory
87.
My heart is a _________, that pumps blood through the body. 
a)
Cell
b)
Tissue
c)
Muscle
d)
Bone
88.
Arteries carry blood ______ from the heart.
a)
Away
b)
To
c)
Across
d)
Around
89.
Arteries carry blood ______ from the heart.
a)
Away
b)
To
c)
Across
d)
Around
90.
The air I breathe in goes down my trachea to my ______?
a)
Heart
b)
Lungs
c)
Brain
d)
Stomach
91.

Which system is responsible for creating red blood cells?

a)

skeletal

b)

muscular

c)

respiratory

d)

nervous

92.

This attaches bone to bone

a)

cartilage

b)

tendon

c)

ligament

93.

This attaches bone to muscle.

a)

cartilage

b)

tendon

c)

ligament

94.

What type of chemical is secreted by endocrine glands?

a)

Sweat

b)

Hormones

c)

Saliva

d)

Tears

95.

True or False:

Your left and right lungs are exactly the same shape and size

a)

True

b)

False

96.

True or False:

Your nose and ears continue growing throughout your lifetime

a)

True

b)

False

97.

Your sense of _____________ is approximately 10,000 times more sensitive than your sense of taste

a)

Touch

b)

Smell

c)

Vision

d)

Hearing

98.

Approximately _____% of what we taste is actually smell.

a)

30

b)

50

c)

70

d)

80

99.

The brain uses approximately ____% of the oxygen used by the body

a)

10

b)

25

c)

50

d)

75

100.

True or False:

When listening to music, your heartbeat will sync with the rythmn

a)

True

b)

False

101.

True or False:

In one year, a human heart would pump enough blood to fill an Olympic size pool.

a)

True

b)

False

102.

If all blood vessels in the human body were laid end to end, they would encircle the Earth _____ time(s)

a)

1

b)

2

c)

3

d)

4

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