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Praxis 5005

Total questions: 107

Worksheet time: 1hrs 5mins

Name
Class
Date
1.

This type of rock was originally liquid below Earth's crust and is formed by lava and magma.

a)

Sedimentary

b)

Igneous

c)

Metamorphic

d)

Fossils

2.

Where are aquifers located?

a)

Beneath earths crust

b)

Beneath earths bedrock

c)

In earths mantle

d)

In earths core

3.

What happens during a solar eclipse?

a)

Earth casts a shadow on the moon

b)

Earth and the moon are on opposite sides of the sun

c)

The moon moves in front of the sun relative to Earth

d)

Earth and sun align

4.

On which day is there approximately 12 hours of daylight and 12 hours of night?

a)

Summer solstice

b)

Winter solstice

c)

New Year’s Day

d)

Fall equinox

5.

Which planet is closest in size and density to earth?

a)

Venus

b)

Uranus

c)

Saturn

d)

Mercury

6.

Gravity is responsible for?

a)

Rotation of the earth on its axis

b)

Phases of the moon

c)

Earths orbit

d)

Earth seasons

7.

The picture below is an example of the

a)

Geosphere

b)

Cryosphere

c)

Biosphere

d)

Hydrosphere

8.

Mr. Lopez is teaching a unit on seasons. He explains why summer days are longer and winter days

are shorter. What should Mr. Lopez emphasize regarding Earth when explaining this phenomenon?

a)

Revolution around the sun

b)

Tilt on its axis

c)

Position in the solar system

d)

Distance away from the sun

9.

The ________ affects the ocean tides.

a)

Moon

b)

Sun

c)

Stars

d)

Solar system

10.

If a star explodes and admits light that is 13 light years away, how long would it take to be visible from earth?

a)

1y

b)

10y

c)

13y

d)

20y

11.

In the diagram, number 6 is:

a)

Top soil

b)

Subsoil

c)

Bedrock

d)

Mantle

12.

_______ are made of metals and rocky material, while _______ are made up of ice, dust, and rocky material

a)

Comments, astroids

b)

Astroids, comets

c)

Meteors, comets

d)

Astroids, meteors

13.

This area is located around the outer edge of the Pacific Ocean is where the most volcanic activity occurs

a)

Ring Of Fire

b)

Horn of Africa

c)

San Francisco Bay

d)

Arctic circle

14.

Which of the following is the densest part of earth?

a)

Stratosphere

b)

Lithosphere

c)

Mantle

d)

Core

15.

Which of the following contains most of the worlds fresh water?

a)

Lakes

b)

Rivers

c)

Glaciers

d)

Oceans

16.

A giant wave caused by an earthquake is called a:

a)

Tsunami

b)

Tidal wave

c)

Seismic wave

d)

Epicenter

17.

Glaciers and ice caps are part of the:

a)

Hydrosphere

b)

Biosphere

c)

Lithosphere

d)

Cryosphere

18.

Which of the following cell structures appear and a plant cell but not in an animal cell?

a)

Plasma membrane

b)

Mitochondria

c)

Chloroplast

d)

Nucleus

19.

Mr. Rodriguez is helping students understand how the common cold is transmitted. He is most likely giving a lesson on:

a)

Bacteria

b)

Viruses

c)

Cell structure

d)

Eukaryotic cells

20.

Or eukaryote that does not make its own food and does not contain cells with a cell wall is a(n):

a)

Animalia

b)

Plantae

c)

Protista

d)

Algae

21.

During the stage of mitosis, chromosomes line up in the middle of the cell and spindle fibers attached to the center of the chromosome

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telophase

22.

Sometimes during cell division, sex cells contain three copies of chromosomes instead of two. This results in:

a)

Mutations

b)

Meiosis III

c)

Trisomy

d)

DNA replication

23.

Red plants have a dominant trait of the color (R), while white plants have the recessive trait For the color (r). How many red plants and how many white plants would be produced when Rr x Rr are crossed)

a)

3 red plants; 1 white plant

b)

1 red plant; 3 white plants

c)

2 red plants; 2 white plants

d)

All red plants

24.

Which of the following is a producer

a)

Hawk

b)

Snake

c)

Bunny

d)

Grass

25.

A symbiotic relationship where both organisms benefit is called:

a)

Competition

b)

Predation

c)

Commensalism

d)

Mutualism

26.

Proteins are made up of:

a)

Cells

b)

Bacteria

c)

Amino acids

d)

Mitochondria

27.

Miss. Wheeler is explaining that humans have 46 chromosomes- 23 from mom and 23 from Dad. She’s most likely giving a lesson on:

a)

Mitosis

b)

Meiosis

c)

Evolution

d)

Metamorphosis

28.

This human system is responsible for the flow of blood, nutrients, oxygen, and other gases to and from cells:

a)

Circulatory

b)

Digestive

c)

Endocrine

d)

Nervous

29.

Which of the following has an open circulatory system?

a)

Birds

b)

Chimpanzees

c)

Clams

d)

Humans

30.

Homeostasis refers to the mechanism of the body to maintain stable internal environment instead of changes taking place in the external environment. Which of the following contributes to homeostasis?

a)

Sweating

b)

DNA replication

c)

Mitosis

d)

Predation

31.

Who was responsible for the classification of living organisms?

a)

Gregor Mendel

b)

Charles Darwin

c)

Carl Linnaeus

d)

Louis Pasteur

32.

What was Charles Darwin known for?

a)

Genetics

b)

Natural selection

c)

Classification of living things

d)

Germ theory

33.

Who was responsible for The germ theory?

a)

Gregor Mendel

b)

Charles Darwin

c)

Carl Linnaeus

d)

Louis Pasteur

34.

What was Gregor Mendel known for?

a)

Genetics

b)

Natural selection

c)

Classification of living things

d)

Germ theory

35.

Which organ(s) filter the blood of toxins?

a)

Bladder

b)

Kidneys

c)

Small intestine

d)

colon

36.

These make up the middle or ladder parts of DNA and code for specific genes.

a)

Phosphates

b)

Amino acids

c)

Chromosomes

d)

Nitrogen bases

37.

Which of the following is a benefit to sexual reproduction?

a)

only one parent sell is needed

b)

Offspring are identical

c)

The DNA replicates

d)

It results in genetic variants

38.

Which of the following is the difference between plant cells and animal cells? Choose all that apply

a)

Plant cells use oxygen and water to make food, while animal cells make ATP from carbon dioxide and sugar

b)

Plant cells use carbon dioxide, water, and sunlight to make their own food, while animal cells make ATP from glucose and oxygen

c)

Animal cells go through photosynthesis, while plant cells go through cellular respiration

d)

Plant cells go through photosynthesis, while animal cells go through cellular respiration

39.

Which of the following is considered the least resistant to electricity and the best conductor for electricity?

a)

Wood

b)

Copper

c)

Rubber

d)

Plastic

40.

Which of the following is an accurate depiction of how lightning works

a)

A

b)

B

c)

C

d)

D

41.

Which of the following is a chemical reaction? Check all that apply

a)

Rust forming on a bike left out in the rain

b)

Plants going through photosynthesis

c)

Water boiling on a stove

d)

A pendulum swinging back-and-forth

42.

At which point is kinetic energy at its highest?

a)

A

b)

B

c)

C

d)

D

43.

At what point is potential energy at its highest?

a)

A

b)

B

c)

C

d)

D

44.

During which of the following is condensation occurring?

a)

Water boiling on a stove

b)

Plants sucking water up through their roots

c)

Water droplets forming on the outside of a surface

d)

A puddle disappearing on a hot day

45.

Which of the following is the least reactive element?

a)

Lithium

b)

Hydrogen

c)

Carbon

d)

Potassium

46.

which of the following phases occur when boiling water

a)

Sublimitation

b)

Vaporization

c)

Crystallization

d)

Liquefication

47.

Which of the following is the smallest part of an element that retains its chemical properties

a)

Atom

b)

Electron

c)

Proton

d)

Neutron

48.

In a glass of water, ice floats to the surface of the water. Why does this happen?

a)

The water weighs more than the ice

b)

The ice weighs more than the water

c)

The ice is less dense than the water

d)

The water is less dense than the ice

49.

Why is it easier to compress gas rather than a solid?

a)

The particles in the gas are further apart than they are in a solid

b)

The particles in a gas are closer together than they are in a solid

c)

The particles in a solid are moving faster than they are in a gas

d)

The particles in a solid are moving the same speed as they are in a gas

50.

In this experiment, the student’s prediction is called the

a)

Control

b)

Constant

c)

Independent variable

d)

Hypothesis

51.

in this experiment, the fertilizer is the

a)

Control

b)

Constant

c)

Independent variable

d)

Dependent variable

52.

In this experiment, the pot with no fertilizer is the

a)

Control

b)

Constant

c)

Independent variable

d)

Hypothesis

53.

In this experiment, the difference in growth is the

a)

Control

b)

Constant

c)

Independent variable

d)

Dependent variable

54.

The most important thing a teacher can do for students in a science classroom is

a)

Grade fairly

b)

Encourage inquiry

c)

Make observations

d)

Conduct labs

55.

When a scientist makes a discovery in an experiment, what should I do?

a)

Publish the results in an academic journal

b)

Conduct the experiment over and over again to see if they get the same result

c)

Form a hypothesis

d)

Change the variables in the experiment

56.

Student are looking at different types of rocks. He notices texture, size, and hardness of the rocks. The student is making a(n):

a)

Hypothesis

b)

Observation

c)

Prediction

d)

Experiment

57.

The sun appears bigger than other stars because of:

a)

The size of the sun

b)

The size of the solar system

c)

The distance earth is from the sun

d)

The distance The sun is from mars

58.

This is when plants suck water from the roots to the small pores in leaves, releasing water vapor into the atmosphere

a)

Evaporation

b)

Transpiration

c)

Condensation

d)

Conviction

59.

The earth is getting hotter because

a)

Hi levels of oxygen trap the suns radiation in the atmosphere

b)

High levels of sodium trapped the suns radiation in the atmosphere

c)

High levels of carbon monoxide trap the suns radiation in the atmosphere

d)

High levels of carbon dioxide trapped the suns radiation in the atmosphere

60.

In a lunar eclipse, what is the order of the earth, the sun, and the moon?

a)

Moon, sun, earth

b)

Earth, moon, sun

c)

Moon, earth, sun

d)

Earth, sun, moon

61.

What causes earths magnetism?

a)

Earths rotation around the moon

b)

The moons rotation around the earth

c)

The inner and outer core rotation

d)

The earths rotation around the sun

62.

Tectonic plates slide against each other in opposite directions, causing a(n)

a)

Subduction

b)

earthquake

c)

Mountain

d)

Volcano

63.

________ happens when warmer, lighter air at the equator moves toward the cooler air at the poles

a)

Convection currents

b)

Conduction currents

c)

Atmospheric currents

d)

Jet streams

64.

This event in history was pivotal in that it galvanized the US space program and started what is known as the space race:

a)

Building of the Russian space station

b)

US astronauts walking on the moon

c)

Challenger explosion

d)

Launch of Russia’s Sputnik

65.

_______ are formed when earths plates pull apart

a)

Convergent plate boundaries

b)

Subjective plate boundaries

c)

Volcanic plate boundaries

d)

Divergent plate boundaries

66.

Which of the following is the sphere where all living things are contained?

a)

Cryosphere

b)

Biosphere

c)

Lithosphere

d)

Hydrosphere

67.

During the scientific revolution, Qurpenus introduced his theory that the earth revolves around the sun

a)

Heliocentric

b)

Geocentric

c)

Cryocentric

d)

Biosentric

68.

When the full moon starts to appear smaller as each night goes on, the moon is:

a)

Waning

b)

Waxing

c)

New

d)

Old

69.

What part of the earth receives the most sunlight in a year?

a)

The western hemisphere

b)

The desert

c)

The equator

d)

The South Pole

70.

This theory suggests earths continents were all once one big landmass. Overtime, the continents separated because of plate tectonics

a)

Natural selection

b)

Halogenic theory

c)

Continental drift

d)

Earths magnetism

71.

The hotter a star is, the closer to this color it is

a)

Blue

b)

Red

c)

Orange

d)

Yellow

72.

During this eon, prokaryotic life (the first form of life) emerged. The atmosphere is composed of volcanic and greenhouse gases

a)

Hadean

b)

Archean

c)

Proterozoic

d)

Phanerozoic

73.

The following gases are present in earths atmosphere from the most present to least present

a)

Carbon dioxide, argon, oxygen, nitrogen

b)

Argon, oxygen, carbon dioxide, nitrogen

c)

Oxygen, nitrogen, carbon dioxide, argon

d)

Nitrogen, oxygen, argon, carbon dioxide

74.

This type of rock is made from heat and pressure

a)

Igneous

b)

Granite

c)

Sedimentary

d)

Metamorphic

75.

As random genetic mutations occur within an organisms genetic code, the beneficial mutations are preserved because they aid survival. This is called:

a)

Common ancestry

b)

Natural selection

c)

Dominant traits

d)

Recessive traits

76.

The six different kingdoms are:

a)

Plantae, Animalia, Fungi, Protista, Eubacteria, Archaebacteria

b)

Phylum, Animalia, Fungi, Protista, Eubacteria, Archaebacteria

c)

Plantae, Animalia, Fungi, Protista, Eubacteria, Prokaryote

d)

Plantae, Animalia, Fungi, Protista, Eukaryote, Archaebacteria

77.

Miss. Jackson wants students to understand the diet of an owl. The best way for students to understand this is by:

a)

Dissecting an owl pellet

b)

Researching owls and an encyclopedia

c)

Reading a chapter on owls and a textbook

d)

using a Venn diagram to compare and contrast the owls diet with the hawk diet

78.

Eukaryotic organisms are _____, and prokaryotic organisms are _____.

a)

Single cellular, multicellular

b)

Multicellular, single cellular

c)

Multicellular, multicellular

d)

Single cellular, single cellular

79.

A byproduct of cellular respiration is

a)

Carbon

b)

Oxygen

c)

Carbon dioxide

d)

Carbohydrates

80.

And a third grade class, students learn that the black moth has A genetic makeup that makes it difficult for predators to see it against dark trees. The white moth does not have the same genetic make up and is easily seen by predators and eaten. The students are learning about:

a)

Dominance

b)

Recessive

c)

Natural selection

d)

Classification

81.

Select the correct order of the organization of living things

a)

Cells – tissues – Oregon systems – organs – organisms

b)

Cells – tissues – organisms – organ systems – organs

c)

Cells – tissues – organs - organ systems - organisms

d)

Cells – Oregon - tissues – organ systems – organisms

82.

Miss. Deeming wants to introduce her students to the structure of cells. What would the most appropriate tool to use to enhance students learning of this concept?

a)

An online virtual tour of a cell

b)

Microscope so students can observe cells in onion skin

c)

The science textbook

d)

A guest speaker on the uniqueness of cells

83.

Mr. Parker is teaching students that cells divide to make more cells. What topic is Mr. Parker covering?

a)

Cell theory

b)

photosynthesis

c)

Cellular respiration

d)

Organization

84.

For a species to be in the same class, it also must be in the same _______?

a)

Phylum

b)

Species

c)

Genus

d)

Family

85.

What do plant cells have that animal cells do not

a)

Cell wall and plasma membrane

b)

Cell wall and chloroplasts

c)

Nucleus and plasma membrane

d)

Nucleus and DNA

86.

This is the maximum population of a particular organism that a given environment can have without detrimental effects

a)

Ecosystem

b)

Adaptation

c)

Biosphere

d)

Carrying capabilities

87.

This type of cell division happens during sexual reproduction and ensures the offspring have the same number of chromosomes in each generation

a)

trisomy

b)

DNA replication

c)

Mitosis

d)

Meiosis

88.

Prokaryotic cells reproduce by

a)

Asexual reproduction

b)

Sexual reproduction

c)

Genetic mutation

d)

DNA replication

89.

This is when one animal feeds on another, like a lion eating a zebra

a)

Symbiosis

b)

Commensalism

c)

Predation

d)

Parasitism

90.

The brain and spinal cord make up the system

a)

Skeletal

b)

Circulatory

c)

Nervous

d)

Digestive

91.

These are herbivores that eat the producers in a food web

a)

Primary consumers

b)

Secondary consumers

c)

Tertiary consumers

d)

Quaternary consumers

92.

This is a single celled organism found everywhere that can be beneficial (like when it aids in digestion) and dangerous (like when it causes infection)

a)

Virus

b)

Bacteria

c)

Eukaryote

d)

Mitochondria

93.

A cook leaves a metal spoon in the pot of hot water. When the cook grabs the spoon a few minutes later, the spoon burns the cooks hand. What process is happening?

a)

Conduction

b)

Convection

c)

Evaporation

d)

Radiation

94.

What would be the best way to demonstrate friction? Check all that apply?

a)

Roll a skateboard down the sidewalk and then on the grass to show the difference in speed

b)

How do students rub their hands together rapidly to observe the heat produced

c)

Have students rub a balloon on their heads and watch their hair stand up

d)

Observe how the opposite poles attract

95.

_________ are atoms that have lost or gained one or more ________

a)

Compounds, electrons

b)

Compounds, protons

c)

Ions, protons

d)

ions, electrons

96.

This image shows what type of circuit

a)

The batteries are on a series circuit, and the lightbulbs are on a parallel circuit

b)

The batteries are on a parallel circuit, and the lightbulbs are on a parallel circuit

c)

The batteries are on the series circuit, and the lightbulbs are on the series circuit

d)

The batteries are on a parallel circuit, and the lightbulbs are in a series circuit

97.

Which one of the following is not part of newtons law of motion?

a)

An object either remains at rest or continues to move at a constant velocity, unless acted upon by force

b)

Force is equal to change in motion (mV) Per time in change. For a constant mass, force equals mass times acceleration (F=mXa).

c)

For every action, there is an equal or opposite reaction

d)

Opposite polls attract

98.

on the periodic table, these are the columns

a)

Periods

b)

Groups

c)

Medals

d)

Nonmetals

99.

This is considered a homogeneous mixture

a)

Orange juice

b)

Gel

c)

Salad dressing (Oil and vinegar)

d)

Cereal

100.

This is the unit of measure for force and motion

a)

Joule

b)

Watt

c)

Newton

d)

Volt

101.

The characteristic of water allows it to have cohorsion and adhergen

a)

High heat

b)

Temperature moderation

c)

Magnetism

d)

Polarity

102.

A teacher is showing students how do I identify elements by looking at the number of protons each element has. What should the teacher emphasize?

a)

Atomic number

b)

Number of electrons

c)

Isotopes

d)

Ions

103.

When salt dissolves in water, it disappears. However, you can still taste the salt. This is called

a)

Compound

b)

Solution

c)

Colloid

d)

Suspension

104.

What would be the best way to demonstrate the difference in speed of two cars on two different types of surfaces

a)

Line graph

b)

Pie graph

c)

Bar graph

d)

Splatter plot

105.

This part of an atom is negatively charged particle that spins around the atom in a cloud

a)

Proton

b)

Neutron

c)

Electron

d)

Nucleus

106.

Which of the following is most acidic

a)

Bleach

b)

Coffee

c)

Water

d)

Vinegar

107.

Which of the following is a noble gas

a)

Lithium

b)

Helium

c)

Iron

d)

Calcium