Articles for Grade 7

On November 6, 2022, most North Americans will mark the end of Daylight Saving Time (DST) by moving the clocks back an hour. The simple action will help shift daylight back into the morning during the shorter winter days. It will also add an extra 60 minutes to the weekend!...

Queen Elizabeth II, the United Kingdom's longest-serving monarch, died at Balmoral Castle in Scotland on September 8, 2022. She was 96. Her historic 70-year reign spanned several wars, a pandemic, 15 British prime ministers, and 14 US Presidents! Her eldest son, Prince Charles, was sworn in as King of England on September 10, 2022....

On September 11, 2022, Americans will mark the 21st anniversary of the deadliest terrorist attacks in US history. The unprovoked act of violence was planned and executed by members of the Islamic extremist organization al-Qaeda. The tragedy resulted in the deaths of 2,977 innocent people and altered life as we knew it forever....

On Sunday, June 19, 2022, Americans will observe both Father's Day and Juneteenth, the nation's youngest federal holiday. Officially recognized in 2021, it commemorates the end of slavery in the United States. On this day in 1865, America's last enslaved people — a group in Texas — were notified that slavery had been made illegal and that they were free....

You may have heard your parents complain about the rising costs of everything from groceries to gas, clothes, electronics, and even cars. They are not wrong. From March 2021 to March 2022, consumer prices for food rose by 8.8 percent, while energy costs went up 32 percent. The rate of increase in prices over a given period of time is called inflation....

On May 12, 2022, an international team of astronomers led by scientists at the Harvard—Smithsonian Center for Astrophysics revealed the first image of a supermassive black hole at the center of the Milky Way. Researchers have known about the black hole, called Sagittarius A*, or Sgr A* (pronounced sadge-ay-star), since the 1970s. However, until now, its existence had only been deduced from its effect on surrounding stars and dust. The stunning picture is the first direct visual evidence of our galaxy's black hole....

May marks the start of Asian American and Pacific Islander (AAPI) Heritage Month in the United States. The month-long observation celebrates the achievements and contributions of AAPI communities in America. The broad term includes 50 ethnic groups that speak over 100 languages and have roots in more than 40 countries. They include those with connections to China, India, Japan, the Philippines, Vietnam, and Korea....

Your silent, expressionless pet goldfish may appear oblivious to you and its surroundings. But the aquatic vertebrates are smarter than they seem. Previous studies have shown that fish are quick learners, can retain information for up to five months, and even recognize their owner from a group of humans....

Russia's unprovoked attack on Ukraine, which began on February 24, 2022, shows no signs of abating. After being forced to withdraw from the northern cities of Kyiv, Chernihiv, and Sumy, the Russian army focused its military efforts on the port city of Mariupol in southeastern Ukraine. Their relentless bombardment has destroyed 80 percent of the city's infrastructure and killed as many as 10,000 civilians....