100 passages across four genres — practice the Digital SAT Reading & Writing skills passage by passage.
Maria pressed her palm flat against the stone wall that divided her family’s property from the abandoned garden next door. The stones were w…
2 questions
James folded the letter into thirds and slid it back into the envelope. He had read it four times now, and each time the words settled diffe…
On the first day of her new commute, Elena noticed how the pedestrian bridge swayed underfoot when the wind picked up. By the second week sh…
1 question
Mrs. Okafor placed her hands over Daniel’s on the piano keys, guiding his fingers through the opening bars of Chopin’s Nocturne in E-flat. “…
When the lawyer read the will, Amara was surprised to learn she had inherited not the house or the savings account, but her grandfather’s wo…
Every morning at 5:47, before the rest of the apartment stirred, Rosa brewed coffee in the dark kitchen. She did not turn on the light — she…
The photograph showed three women laughing on a porch — Keiko’s grandmother, her great-aunt, and a woman no one could identify. The unknown …
The tornado siren began at 4:15, and within two minutes the Nguyen family was underground. The cellar smelled of damp concrete and old prese…
Fatima translated for her parents at every doctor’s appointment, every parent-teacher conference, every phone call with the landlord. At twe…
After twenty-two years as a corporate lawyer, Marcus drove past the pottery studio on Route 9 every Tuesday and Thursday evening. He never s…
At the holiday table, Priya’s uncle asked what she planned to do after graduation. “I’m applying to art school,” she said. The silence laste…
Leo’s hands were permanently stained with grease — it had worked itself into the ridges of his fingerprints and settled there like a second …
The chair at the head of the table remained empty at every Sunday dinner for two years after Grandpa Joe died. No one sat there; no one move…
The Used Book Emporium smelled like vanilla and dust, a combination that Nadia associated with possibility. She came every Saturday, not to …
The first snow of the year always made Thomas think of his older brother, who had once told him that each snowflake carried a secret. “They’…
Psychologists Amos Tversky and Daniel Kahneman demonstrated that people’s numerical estimates are heavily influenced by an initial reference…
The Sapir-Whorf hypothesis proposes that the structure of a language shapes its speakers’ worldview and cognition. In its strong form — ling…
In 1968, psychologists John Darley and Bibb Latané conducted experiments showing that individuals are less likely to intervene in an emergen…
Psychologist Carol Dweck’s research distinguishes between fixed and growth mindsets. Individuals with fixed mindsets believe intelligence an…
In 1999, psychologists David Dunning and Justin Kruger published research showing that individuals who perform poorly on tests of logical re…
Walter Mischel’s famous 1972 marshmallow test offered preschoolers a choice: eat one marshmallow now, or wait fifteen minutes for two. Follo…
Psychologist Claude Steele’s research on stereotype threat demonstrates that awareness of negative stereotypes about one’s group can impair …
Confirmation bias — the tendency to seek, interpret, and remember information that confirms preexisting beliefs — is among the most robust f…
A 2017 study published in the American Journal of Preventive Medicine surveyed 1,787 young adults and found that those who spent more than t…
In 1968, ecologist Garrett Hardin described the tragedy of the commons: when a shared resource is available to all, each individual has an i…
The Implicit Association Test (IAT), developed by Anthony Greenwald in 1998, measures unconscious biases by recording how quickly participan…
Economists Gary Becker and Kevin Murphy proposed that addiction can be modeled as rational behavior: individuals choose addictive consumptio…
Researcher James Flynn documented a phenomenon now bearing his name: average IQ scores have risen approximately three points per decade thro…
Kahneman and Tversky’s prospect theory, published in 1979, challenged the classical economic assumption that people evaluate outcomes ration…
In 1982, criminologists James Q. Wilson and George Kelling proposed the broken windows theory: visible signs of disorder and neglect — such …
Beneath the forest floor lies an extensive network of mycorrhizal fungi that connects the root systems of trees across vast distances. These…
CRISPR-Cas9, a gene-editing tool adapted from bacterial immune systems, allows scientists to modify DNA sequences with unprecedented precisi…
As atmospheric carbon dioxide levels have increased, the world’s oceans have absorbed roughly 30% of human-produced CO₂. When CO₂ dissolves …
The human body hosts approximately 38 trillion bacterial cells — slightly more than the 30 trillion human cells — forming an ecosystem known…
Astronomical observations indicate that visible matter — stars, planets, gas — accounts for only about 5% of the universe’s total mass-energ…
Epigenetics studies heritable changes in gene expression that occur without alterations to the DNA sequence itself. Chemical modifications —…
For most of the twentieth century, neuroscientists believed that the adult brain was essentially fixed. This view has been overturned by res…
Antibiotic resistance occurs when bacteria evolve mechanisms to survive drugs designed to kill them. This process is driven by natural selec…
When Alfred Wegener proposed continental drift in 1912, he supported his hypothesis with evidence from matching coastlines, identical fossil…
Circadian rhythms are roughly 24-hour cycles in biological processes regulated by an internal master clock located in the suprachiasmatic nu…
Traditional vaccines introduce weakened or inactivated pathogens to stimulate immune responses. mRNA vaccines use a different approach: they…
Natural photosynthesis converts only about 1-2% of absorbed solar energy into chemical energy stored in glucose. The inefficiency stems from…
Quantum entanglement occurs when two particles become correlated in such a way that measuring a property of one instantaneously determines t…
Coral reefs depend on a symbiotic relationship with zooxanthellae — photosynthetic algae that live within coral tissue, providing up to 90% …
Unlike nuclear DNA, which is inherited from both parents, mitochondrial DNA (mtDNA) is inherited exclusively from the mother. This uniparent…
In his 1845 Narrative, Frederick Douglass recounted how learning to read transformed his understanding of slavery. His enslaver’s wife began…
In Federalist No. 10, James Madison argued that a large republic was better equipped to control the dangers of political factions than a sma…
In Silent Spring (1962), Rachel Carson challenged the chemical industry’s assurance that synthetic pesticides like DDT were safe. Carson doc…
The Declaration of Sentiments, presented at the Seneca Falls Convention in 1848, deliberately echoed the structure and language of the Decla…
In his 1861 State of the Union address, Abraham Lincoln articulated a vision of labor and capital: Labor is prior to, and independent of, ca…
At the 1851 Women’s Rights Convention in Akron, Ohio, Sojourner Truth delivered her famous speech challenging the era’s prevailing arguments…
Franklin D. Roosevelt’s 1933 inaugural address, delivered at the depth of the Great Depression with 25% unemployment, is remembered for the …
In his 1963 Letter from Birmingham Jail, Martin Luther King Jr. responded to white clergymen who had called his demonstrations unwise and un…
In his 1791 Report on Manufactures, Alexander Hamilton argued that the United States should actively promote domestic manufacturing through …
In Resistance to Civil Government (1849), Henry David Thoreau argued that individuals have a duty to resist unjust government policies, even…
In a 1776 letter to her husband John Adams, who was attending the Continental Congress, Abigail Adams urged: Remember the Ladies, and be mor…
In his 1895 Atlanta Exposition speech, Booker T. Washington proposed what became known as the Atlanta Compromise: African Americans should f…
President James Monroe’s 1823 declaration warned European powers that the Western Hemisphere was closed to further colonization and that any…
When Susan B. Anthony was arrested for voting in the 1872 presidential election, she used her trial as a platform to challenge the constitut…
In his 1961 farewell address, President Dwight D. Eisenhower — himself a five-star general — warned against the growing influence of the mil…
For forty years Tomás had repaired clocks in a narrow shop on Calle Ruiz, and his customers knew him as a man of few words. When a widow bro…
Sociologist Ray Oldenburg argued that healthy communities depend on “third places”: cafés, barbershops, and other informal gathering spots d…
When their surroundings dry out, many tardigrades—microscopic animals common in moss, lichens, and soil—can enter a state called anhydrobios…
The Pony Express, which carried mail on horseback between Missouri and California, began operating in April 1860 and could move a letter nea…
Aunt Rosalind never raised her voice at the dinner table; she had subtler instruments. When Paul announced that he was leaving law school to…
Planners use the term “desire path” for the strip of worn ground that forms where pedestrians repeatedly cut across a lawn instead of follow…
A lichen looks like a single organism, but it is a partnership between a fungus and a photosynthetic partner, usually an alga or a cyanobact…
For centuries after Egyptian hieroglyphs fell out of use, many European scholars assumed that each sign stood for an idea rather than a soun…
Every summer the Vance family rented the same cottage on Lake Ardis, and every summer, on the first evening, Nora’s father announced that th…
In research published in the early 1970s, sociologist Mark Granovetter surveyed professional, technical, and managerial workers in Newton, a…
Many flowers offer pollen openly, but blueberry, eggplant, and tomato flowers hold theirs inside enclosed anthers that release it only throu…
In the hot summer of 1858, the stench rising from the Thames, which then received much of London’s untreated sewage, grew so overpowering th…
Before the performance, the theater was a place of small, ordinary noises: a program rustling, a seat hinge creaking, someone two rows back …
Before 1977, biologists generally assumed that nearly every ecosystem depended ultimately on sunlight captured through photosynthesis. That …
Text 1: Economist Paul David has offered the QWERTY keyboard as a classic case of path dependence. The layout, devised for early typewriters…
Text 1: Norse settlers lived in Greenland for more than four centuries before the last of their settlements was abandoned in the 1400s. In h…
Text 1: About 13,000 years ago, North America lost mammoths, mastodons, giant ground sloths, and dozens of other kinds of large mammals. Geo…
Text 1: In a well-known 2000 study, psychologists Sheena Iyengar and Mark Lepper set up a tasting booth in a grocery store that offered eith…
Text 1: In The Printing Press as an Agent of Change (1979), historian Elizabeth Eisenstein argued that printing transformed European intelle…
Text 1: When Emily Dickinson’s poems first appeared as a book in 1890, four years after her death, editors Mabel Loomis Todd and Thomas Went…
Every afternoon at four, the Okafors’ daughter practiced scales on a piano that Tomas, who had tuned pianos for forty years, could hear was …
In Utah’s Fishlake National Forest stands Pando, a grove of quaking aspen that looks like a forest of roughly 47,000 trees but is geneticall…
In a 2012 study, researchers Michael Norton, Daniel Mochon, and Dan Ariely asked some participants to assemble simple IKEA storage boxes and…
When journalist Ida B. Wells published A Red Record in 1895, she knew that many white readers would dismiss an account of lynching written b…
Monarch butterfly caterpillars feed almost exclusively on milkweed, plants that contain toxic compounds called cardenolides. Rather than bei…
When Nadia inherited her grandmother’s recipe box, she expected precise instructions. Instead, the cards offered only fragments: “butter, th…
“The Peach Stand” is a short story about Ines, a young woman who runs her late father’s roadside fruit stand. Throughout the story, Ines is …
Many companies with remote employees hold scheduled video “coffee breaks” to reduce workers’ feelings of isolation. A team of organizational…
Traffic noise is concentrated at low sound frequencies. Some biologists hypothesize that songbirds of certain species living in cities sing …
The Erie Canal, completed in 1825, connected the Hudson River to Lake Erie and made shipping between New York City and the Great Lakes far c…
“Inventory After the Flood” is a poem in which the speaker walks through a family home after floodwaters have receded. In the poem, the spea…
A team of botanists tested how temperature affects the germination of seeds from two wildflower species, one native to a high-elevation mead…
A county library system tracked how many items it lent in each of three formats. A librarian observes that the shift toward digital borrowin…
Between the Civil War and the 1920s, the United States changed from a mostly rural nation into a mostly urban one. The U.S. Census Bureau co…
Among mammals, resting heart rate generally falls as body mass rises: small mammals lose body heat quickly relative to their size and must s…
An urban planner surveyed workers in a midsize city about how they commuted in 2014 and again in 2024. Bicycle commuting grew substantially …
For years, Theo assumed that his grandfather’s silence at family dinners signaled disapproval. The old man rarely joined the conversation an…
Most English verbs form the past tense by adding -ed, but some, such as “go” (went) and “sing” (sang), are irregular. In a 2007 study, Erez …
Silk from China was highly prized in the Roman Empire by the first century CE, yet Roman writers had remarkably little accurate information …
In the eighteenth century, sailors could find their latitude fairly easily by measuring the height of the Sun or certain stars, but determin…