TerraNova Standardized Achievement Test — Questions and Answers

Question 1: What happens to water when it is heated to 100°C at sea level?

It boils and turns to steam (Correct answer)
It turns into acid
It freezes into ice
It becomes denser

Correct answer: It boils and turns to steam

Water boils at 100°C (212°F) at sea level, converting from liquid to water vapor (steam).

Question 2: What is the role of the roots in a plant?

Release oxygen into the air
Absorb water and nutrients from the soil (Correct answer)
Transport seeds for reproduction
Produce food through photosynthesis

Correct answer: Absorb water and nutrients from the soil

Roots anchor the plant and absorb water and dissolved minerals from the soil.

Question 3: Which document declared the independence of the United States from Britain in 1776?

Declaration of Independence (Correct answer)
Magna Carta
U.S. Constitution
Bill of Rights

Correct answer: Declaration of Independence

The Declaration of Independence, adopted on July 4, 1776, formally announced the colonies' separation from Britain.

Question 4: Which of the following words means to make something less severe or serious?

Intensify
Aggravate
Mitigate (Correct answer)
Escalate

Correct answer: Mitigate

Mitigate means to lessen or reduce the severity of something.

Question 5: Which word contains a consonant blend (two consonants whose sounds blend together)?

bath
train (Correct answer)
ship
thin

Correct answer: train

'Train' begins with the consonant blend 'tr,' where both the t and r sounds are heard blended together.

Question 6: A train travels 240 miles in 4 hours. What is its average speed?

50 mph
45 mph
80 mph
60 mph (Correct answer)

Correct answer: 60 mph

Speed = distance ÷ time = 240 ÷ 4 = 60 mph.

Question 7: Which of the following is a prime number?

35
33
27
29 (Correct answer)

Correct answer: 29

29 has no factors other than 1 and itself, making it prime.

Question 8: Select the sentence that is complete and does not contain any run-on or fragments.

Remind George about the Lincoln meeting.
George was not reminded about the appointment with Lincoln by me.
I forgot to remind George about the meeting with Lincoln. (Correct answer)
I neglected to remind.

Correct answer: I forgot to remind George about the meeting with Lincoln.

Option A, 'I forgot to remind George about the meeting with Lincoln,' is a complete sentence. It contains a clear subject ('I') and a complete predicate ('forgot to remind George about the meeting with Lincoln'), expressing a full thought. The other options are either sentence fragments (lacking a subject or complete predicate) or grammatically awkward, making them less effective or incomplete statements.

Question 9: Which gas do humans exhale in greater amounts compared to what they inhale?

Oxygen
Nitrogen
Carbon dioxide (Correct answer)
Hydrogen

Correct answer: Carbon dioxide

Humans exhale more carbon dioxide (CO₂) because it is a waste product of cellular respiration.

Question 10: Which of the following is a proper sentence structure?

The cabinet is empty of cookies.
Are there any cookies in the cabinet? (Correct answer)
Does the cupboards contain any cookies?
Are there really no cookies in the cabinet?

Correct answer: Are there any cookies in the cabinet?

Option A, 'Are there any cookies in the cabinet?', demonstrates proper sentence structure for an interrogative (question) sentence. It correctly uses the plural verb 'Are' to agree with the plural subject 'cookies' (implied after 'there') and follows the standard word order for a question. The other options contain grammatical errors or awkward phrasing.

Question 11: A student earns $12.50 per hour and works 8 hours. How much does the student earn in total?

$108.00
$100.00 (Correct answer)
$96.00
$112.50

Correct answer: $100.00

Multiply $12.50 by 8 hours to get $100.00.

Question 12: Which sentence uses a conjunction to show contrast?

I like swimming because it is fun.
I like swimming, but I don't enjoy running. (Correct answer)
I like swimming, so I joined the swim team.
I like swimming and hiking.

Correct answer: I like swimming, but I don't enjoy running.

'But' is a conjunction that shows contrast between two ideas — enjoying swimming versus not enjoying running.

Question 13: Which blood cells are primarily responsible for fighting infections?

Plasma cells
Red blood cells
White blood cells (Correct answer)
Platelets

Correct answer: White blood cells

White blood cells (leukocytes) are the immune system's primary defense against pathogens.

Question 14: What is the least common multiple (LCM) of 4 and 6?

8
12 (Correct answer)
24
6

Correct answer: 12

The smallest number divisible by both 4 and 6 is 12.

Question 15: Which sentence correctly capitalizes all words that need capital letters?

We visited the grand canyon in Arizona last Summer.
We visited the Grand Canyon in Arizona last summer. (Correct answer)
We visited the grand canyon in arizona last Summer.
we visited the Grand Canyon in arizona last summer.

Correct answer: We visited the Grand Canyon in Arizona last summer.

'Grand Canyon' is a proper noun (specific place name) and 'Arizona' is a proper noun (state name), so both must be capitalized. Seasons like 'summer' are not capitalized.

Question 16: Which of the following words is incorrectly spelled?

Friend
Field
Freind (Correct answer)
Niece

Correct answer: Freind

Freind is misspelled; the correct spelling is 'friend': f-r-i-e-n-d.

Question 17: Which word contains a long 'o' vowel sound?

cot
lot
hot
coat (Correct answer)

Correct answer: coat

'Coat' uses the vowel team 'oa,' which produces the long O sound, while the other words have a short O sound.

Question 18: Find the indefinite pronoun in the following statement. "Few members of the choir are familiar with their parts, thus they are not prepared for the performance."

their
know
few (Correct answer)
for

Correct answer: few

An indefinite pronoun refers to a non-specific person, place, thing, or idea. In this sentence, 'few' refers to an unspecified small number of choir members, making it an indefinite pronoun. 'Know' is a verb, 'for' is a preposition, and 'their' is a possessive pronoun.

Question 19: Which of the following is the best summary of a passage that describes how butterflies migrate thousands of miles, navigate using the sun, and arrive at the same trees their ancestors used?

Butterflies undertake remarkable migrations using solar navigation to reach ancestral destinations. (Correct answer)
Butterflies are the only insects that can fly long distances.
Butterflies are colorful insects that live in gardens.
Scientists study butterflies in laboratories.

Correct answer: Butterflies undertake remarkable migrations using solar navigation to reach ancestral destinations.

A good summary captures the main ideas without unnecessary details. This option covers migration distance, navigation method, and ancestral destinations — all key points.

Question 20: What does the word 'unanimous' mean?

Voted on by few
Partially agreed upon
All agreeing or in complete agreement (Correct answer)
Strongly disagreed upon

Correct answer: All agreeing or in complete agreement

Unanimous means everyone is in full agreement with no dissenting opinions.

Question 21: If a car uses 3 gallons of gas every 90 miles, how many gallons does it use in 300 miles?

9 gallons
10 gallons (Correct answer)
15 gallons
12 gallons

Correct answer: 10 gallons

The car gets 30 miles per gallon; 300 ÷ 30 = 10 gallons.

Question 22: Which of the following is a conductor of electricity?

Plastic ruler
Rubber band
Copper wire (Correct answer)
Glass bottle

Correct answer: Copper wire

Copper is a metal that allows electrons to flow freely, making it an excellent electrical conductor.

Question 23: Which word is spelled correctly?

achieve (Correct answer)
decieve
recieve
beleive

Correct answer: achieve

'Achieve' is spelled correctly, following the 'i before e' rule. The other words should be spelled: receive, believe, deceive — 'receive' and 'deceive' follow the 'except after c' part of the rule.

Question 24: If x + 7 = 15, what is the value of x?

7
9
8 (Correct answer)
22

Correct answer: 8

Subtract 7 from both sides: x = 15 − 7 = 8.

Question 25: Which word is spelled correctly?

Embaras
Embarass
Embarrass (Correct answer)
Embarrass

Correct answer: Embarrass

Embarrass has two r's and two s's: e-m-b-a-r-r-a-s-s.

Question 26: Which amendment to the U.S. Constitution abolished slavery?

19th Amendment
13th Amendment (Correct answer)
14th Amendment
15th Amendment

Correct answer: 13th Amendment

The 13th Amendment, ratified in 1865, formally abolished slavery throughout the United States.

Question 27: Which word correctly completes this sentence? 'The students finished _____ homework before recess.'

thier
they're
their (Correct answer)
there

Correct answer: their

'Their' is the possessive pronoun showing that the homework belongs to the students. 'There' indicates a place, and 'they're' is a contraction of 'they are.'

Question 28: Which planet has the most moons in our solar system?

Jupiter
Neptune
Uranus
Saturn (Correct answer)

Correct answer: Saturn

Saturn has the most confirmed moons, recently surpassing Jupiter with over 140 known moons.

Question 29: Which word is spelled correctly?

Rhythm (Correct answer)
Rhythem
Rithym
Rythm

Correct answer: Rhythm

Rhythm is spelled r-h-y-t-h-m, with no vowels other than 'y.'

Question 30: Read this passage: 'First, gather your materials. Next, measure two cups of flour. Then, add one cup of sugar. Finally, mix everything together.' What type of writing is this?

Persuasive writing
Descriptive writing
Narrative writing
Procedural writing (Correct answer)

Correct answer: Procedural writing

The passage gives step-by-step instructions using sequence words (first, next, then, finally), which is characteristic of procedural writing.

Question 31: Which word is a synonym for 'enormous'?

Tiny
Narrow
Gigantic (Correct answer)
Average

Correct answer: Gigantic

Gigantic means extremely large, making it a synonym for enormous.

Question 32: Which of the following is spelled correctly?

Conscence
Conscience (Correct answer)
Conssience
Consience

Correct answer: Conscience

Conscience is spelled c-o-n-s-c-i-e-n-c-e, with 'science' hidden inside it.

Question 33: A passage describes how bees collect nectar, return to the hive, and perform a 'waggle dance' to tell other bees where flowers are. What is the purpose of the waggle dance according to the passage?

To attract a mate
To exercise after a long flight
To communicate the location of food sources (Correct answer)
To scare away predators

Correct answer: To communicate the location of food sources

The passage states bees perform the waggle dance 'to tell other bees where flowers are,' which means it serves as communication about food source locations.

Question 34: Which river is the longest in the United States?

Mississippi River
Ohio River
Missouri River (Correct answer)
Colorado River

Correct answer: Missouri River

The Missouri River is the longest river in the United States at approximately 2,341 miles.

Question 35: Which Native American group built cliff dwellings in the American Southwest?

Ancestral Puebloans (Correct answer)
Sioux
Iroquois
Cherokee

Correct answer: Ancestral Puebloans

The Ancestral Puebloans (formerly called Anasazi) constructed elaborate cliff dwellings in present-day Colorado, Arizona, Utah, and New Mexico.

Question 36: Which fraction is equivalent to 0.75?

2/3
1/4
7/10
3/4 (Correct answer)

Correct answer: 3/4

0.75 equals 75/100, which simplifies to 3/4.

Question 37: What is the meaning of the root word 'port' in words like 'transport' and 'portable'?

To write
To carry (Correct answer)
To speak
To build

Correct answer: To carry

The Latin root 'port' means 'to carry,' seen in words like transport (carry across) and portable (able to be carried).

Question 38: What is the term for an organism that makes its own food through photosynthesis?

Decomposer
Predator
Producer (Correct answer)
Consumer

Correct answer: Producer

Producers (autotrophs) make their own food using sunlight and form the base of food chains.

Question 39: Which of the following sentences contains a metaphor?

The dog barked loudly.
Life is a roller coaster. (Correct answer)
She runs like the wind.
He is as tall as a tree.

Correct answer: Life is a roller coaster.

A metaphor directly states one thing is another; 'Life is a roller coaster' compares life to a roller coaster without using 'like' or 'as.'

Question 40: A recipe calls for 2.5 cups of flour for 12 cookies. How many cups are needed for 24 cookies?

6 cups
3.5 cups
5 cups (Correct answer)
4 cups

Correct answer: 5 cups

Double the recipe: 2.5 × 2 = 5 cups of flour.

Question 41: Which organ pumps blood throughout the human body?

Heart (Correct answer)
Liver
Kidney
Lungs

Correct answer: Heart

The heart is the muscular organ that pumps blood through the circulatory system.

Question 42: What is the median of the data set: 4, 7, 9, 11, 15?

8
11
9 (Correct answer)
7

Correct answer: 9

The median is the middle value when data is ordered: 4, 7, 9, 11, 15 → 9.

Question 43: What is the powerhouse of the cell?

Ribosome
Nucleus
Mitochondria (Correct answer)
Vacuole

Correct answer: Mitochondria

Mitochondria produce ATP through cellular respiration, supplying energy to the cell.

Question 44: What is the correct way to write the possessive form of a plural noun ending in 's,' such as 'the teachers'?

the teachers's
the teachers
the teacher's
the teachers' (Correct answer)

Correct answer: the teachers'

For plural nouns that already end in 's,' add only an apostrophe after the 's' to show possession: teachers → teachers'.

Question 45: Which of the following numbers is divisible by both 3 and 4?

16
21
18
24 (Correct answer)

Correct answer: 24

24 ÷ 3 = 8 and 24 ÷ 4 = 6, so 24 is divisible by both.

Question 46: Which sentence is punctuated correctly?

"Where are you going?" asked Maria. (Correct answer)
"Where are you going" asked Maria?
Where are you going?" asked Maria."
"Where are you going." asked Maria.

Correct answer: "Where are you going?" asked Maria.

When writing dialogue, the question mark goes inside the quotation marks because the quoted words form a question. The dialogue tag 'asked Maria' follows with a period at the end.

Question 47: A class of 30 students scored an average of 85 on a test. What is the sum of all scores?

2,550 (Correct answer)
2,500
2,400
2,600

Correct answer: 2,550

Sum = average × number of students = 85 × 30 = 2,550.

Question 48: Who was the first president of the United States?

John Adams
Thomas Jefferson
Benjamin Franklin
George Washington (Correct answer)

Correct answer: George Washington

George Washington served as the first U.S. president from 1789 to 1797.

Question 49: Which of the following best describes the difference between a fact and an opinion?

Facts appear in books and opinions appear in conversations.
Facts are long sentences and opinions are short sentences.
Facts can be proven true or false while opinions express personal beliefs. (Correct answer)
Facts are always positive and opinions are always negative.

Correct answer: Facts can be proven true or false while opinions express personal beliefs.

A fact is a statement that can be verified as true or false through evidence, while an opinion expresses a personal belief, feeling, or judgment that cannot be proven.

Question 50: What type of rock is formed from cooled magma or lava?

Metamorphic
Limestone
Sedimentary
Igneous (Correct answer)

Correct answer: Igneous

Igneous rock forms when molten rock (magma or lava) cools and solidifies.

Question 51: What economic system is based on private ownership and free-market competition?

Feudalism
Communism
Socialism
Capitalism (Correct answer)

Correct answer: Capitalism

Capitalism is an economic system where private individuals own businesses and prices are determined by supply and demand.

Question 52: A bag contains 4 red marbles and 6 blue marbles. What is the probability of randomly picking a red marble?

1/2
2/5 (Correct answer)
3/5
1/4

Correct answer: 2/5

Probability = 4 red ÷ 10 total = 4/10 = 2/5.

Question 53: Select the solution that properly combines the highlighted phrases below. "Cookies were baked by Leo." "The cake was not made by Leo."

Leo baked the cake and the cookies.
Leo baked the cake and the cookies.
Cookies were made by Leo.
The cake was not baked by Leo, but he did make the cookies. (Correct answer)

Correct answer: The cake was not baked by Leo, but he did make the cookies.

This option effectively combines the two sentences by using the conjunction 'but' to show a contrast between Leo's actions. It also rephrases the first sentence into an active voice ('he did make the cookies') for better flow and conciseness, while accurately reflecting both original statements. Options A and D incorrectly state Leo baked the cake, and C only includes one of the original phrases.

Question 54: Select the best-written phrased statement.

Who placed the large, red box on the doormat?
Who placed the large, red box on the doorstep?
Who left the big red box on the doorstep? (Correct answer)
Who placed the large, red box on the doorstep?

Correct answer: Who left the big red box on the doorstep?

Option A, 'Who left the big red box on the doorstep?', is the most natural and grammatically correct way to phrase the question. It uses common and idiomatic language ('left the box') and appropriate vocabulary ('doorstep'). The other options use 'placed,' which is acceptable but less idiomatic in this context, or include redundant phrasing, making option A the clearest and most concise choice.

Question 55: What does the prefix 'un-' mean in words like 'unhappy' or 'unlikely'?

Before
Again
Not or opposite of (Correct answer)
After

Correct answer: Not or opposite of

The prefix 'un-' means 'not' or the opposite, so 'unhappy' means not happy.

Question 56: What is the capital of the United States?

Washington, D.C. (Correct answer)
Philadelphia
Boston
New York City

Correct answer: Washington, D.C.

Washington, D.C. is the federal capital and home to all three branches of the U.S. government.

Question 57: What is the name of the supreme law of the United States?

The Constitution (Correct answer)
The Federalist Papers
The Bill of Rights
The Declaration of Independence

Correct answer: The Constitution

The U.S. Constitution is the supreme law of the land, establishing the framework of the federal government.

Question 58: Choose the correctly spelled word: the teacher gave her ________ for the behavior.

Approvall
Approvle
Aproval
Approval (Correct answer)

Correct answer: Approval

Approval is spelled a-p-p-r-o-v-a-l with two p's and one l.

Question 59: Identify the correctly spelled word: She has a great amount of ________ in her work.

Perseverance (Correct answer)
Perseverance
Perserverance
Perseverence

Correct answer: Perseverance

Perseverance is spelled p-e-r-s-e-v-e-r-a-n-c-e, with an 'a' before 'nce.'

Question 60: Choose the sentence that uses an apostrophe correctly.

The dogs toy is under the bed.
The dog's are playing in the yard.
The dogs' are friendly animals.
The dog's toy is under the bed. (Correct answer)

Correct answer: The dog's toy is under the bed.

'The dog's toy' correctly uses an apostrophe to show possession — the toy belonging to the dog. The apostrophe + s indicates singular possession.

Question 61: Which of the following shows the word 'children' correctly divided into syllables?

ch-ildren
child-ren (Correct answer)
chi-ldren
chil-dren

Correct answer: child-ren

'Child-ren' is the correct syllable division because each syllable must contain a vowel sound, and the break comes between the consonant blend and the following vowel.

Question 62: Choose the correct form of the verb to complete this sentence: 'Neither the teacher nor the students _____ ready for the fire drill.'

were (Correct answer)
was
has been
is

Correct answer: were

With 'neither...nor,' the verb agrees with the subject closest to it. Since 'students' (plural) is closest to the verb, the plural form 'were' is correct.

Question 63: Which type of energy is stored in food and released during digestion?

Thermal energy
Nuclear energy
Kinetic energy
Chemical energy (Correct answer)

Correct answer: Chemical energy

Food stores chemical energy in molecular bonds, which is released when the body breaks it down.

Question 64: Which layer of the atmosphere contains the ozone layer?

Troposphere
Mesosphere
Stratosphere (Correct answer)
Thermosphere

Correct answer: Stratosphere

The ozone layer is located in the stratosphere, about 15–35 km above Earth's surface.

Question 65: Which sentence uses commas correctly?

We bought, apples oranges and bananas.
We, bought apples oranges and bananas.
We bought apples, oranges, and bananas. (Correct answer)
We bought apples oranges, and bananas.

Correct answer: We bought apples, oranges, and bananas.

When listing three or more items in a series, commas should separate each item. The correct format is 'item1, item2, and item3.'

Question 66: What does the word 'persevere' mean?

To give up easily
To act in anger
To speak quietly
To continue despite difficulty (Correct answer)

Correct answer: To continue despite difficulty

Persevere means to keep trying and persist despite obstacles or challenges.

Question 67: Which word contains the same vowel sound as the word 'cake'?

rain (Correct answer)
cat
cap
hat

Correct answer: rain

'Rain' contains the long A vowel sound, just like 'cake', because the ai vowel team makes the long A sound.

Question 68: In the sentence 'Before the game started, the players stretched and warmed up,' which part is the dependent clause?

the players stretched
and warmed up
Before the game started (Correct answer)
the players stretched and warmed up

Correct answer: Before the game started

'Before the game started' is a dependent clause because it begins with the subordinating conjunction 'before' and cannot stand alone as a complete sentence.

Question 69: What does 'context clues' mean in reading?

The title and headings of a passage
Pictures and graphs in a text
Information surrounding an unknown word that helps determine its meaning (Correct answer)
The author's background information

Correct answer: Information surrounding an unknown word that helps determine its meaning

Context clues are words and sentences around an unfamiliar word that help the reader infer its meaning.

Question 70: Select the answer that develops the following topic sentence the most effectively. "The body needs to cool down after exerting itself vigorously."

Your body becomes warm after running.
After putting the body through a lot of effort, it needs to cool down.
The body maintains its temperature in part by sweating. (Correct answer)
When you workout, you'll perspire.

Correct answer: The body maintains its temperature in part by sweating.

The topic sentence states that the body needs to cool down after vigorous exertion. Option B, 'The body maintains its temperature in part by sweating,' effectively develops this idea by explaining a specific physiological mechanism for cooling. It provides a direct and relevant detail about how the body achieves the necessary cooldown mentioned in the topic sentence.

Question 71: What is the perimeter of a square with a side length of 7 inches?

28 inches (Correct answer)
14 inches
21 inches
49 inches

Correct answer: 28 inches

Perimeter of a square = 4 × side = 4 × 7 = 28 inches.

Question 72: What term describes the movement of people from farms to cities during the Industrial Revolution?

Migration
Urbanization (Correct answer)
Colonization
Industrialization

Correct answer: Urbanization

Urbanization refers to the population shift from rural areas to urban centers, driven by factory job opportunities.

Question 73: Which sentence uses the word 'elaborate' correctly?

The elaborate dog ran quickly.
He elaborate his lunch at noon.
They were elaborate with cold weather.
She gave an elaborate explanation with many details. (Correct answer)

Correct answer: She gave an elaborate explanation with many details.

Elaborate means detailed and complex, so it correctly describes an explanation that contains many details.

Question 74: What is the value of 2³?

4
8 (Correct answer)
6
9

Correct answer: 8

2³ means 2 × 2 × 2 = 8.

Question 75: Which of the following words is spelled correctly?

Necessary (Correct answer)
Neccesary
Necesary
Neccessary

Correct answer: Necessary

Necessary is spelled with one 'c' and two 's's: n-e-c-e-s-s-a-r-y.

Question 76: Which sentence correctly uses a colon?

Please: bring pencils, paper, and erasers.
Please bring the following items pencils: paper, and erasers.
Please bring: pencils, paper, and erasers.
Please bring the following items: pencils, paper, and erasers. (Correct answer)

Correct answer: Please bring the following items: pencils, paper, and erasers.

A colon is used after a complete sentence to introduce a list. 'Please bring the following items' is a complete thought that leads into the list.

TerraNova Standardized Achievement Test

The TerraNova Standardized Achievement Test by Data Recognition Corporation measures K–12 student academic progress across reading, language mechanics, mathematics, science, social studies, vocabulary, and spelling. Results are reported as national percentile ranks and scaled scores.

Questions

90 min

Time Limit

50%

To Pass

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