A Dangerous Gas Nitrogen dioxide (NO2) is a gas that is released into the air when fuel is burned. Emissions from cars, trucks, buses, power plants, and other industrial facilities release nitrogen dioxide. The environmental impact of nitrogen dioxide includes smog and acid rain. … Read more
Have you been meeting with your class online? If so, you are not alone. Even the justices of the Supreme Court of the United States are hearing their cases remotely—over the phone. Usually, the justices … Read more
You have probably heard the words “social distancing” in the news. Social distancing is a way to stop the spread of COVID-19, the new coronavirus. Scientists believe that the virus spreads through the air when … Read more
The countdown to Earth Day 2020 has begun! This year’s main theme will focus on climate action. Climate change represents a major issue that impacts life on Earth. It involves changes in weather patterns, and … Read more
The novel coronavirus (COVID-19) has changed life for many people around the world. You might be attending school at home and keeping distance from other people. This will help prevent the virus from spreading. But … Read more
UPDATE The coronavirus has become serious in the United States. Its official name is COVID-19. Many schools and businesses have closed. Many people should practice social distancing, or limiting how much contact they have with … Read more
Have you ever wondered why clocks “spring forward” and “fall back”? Two days each year, many people change their clocks to follow daylight saving time. The clocks are set one hour ahead in March to … Read more
Did you know that Black History Month started in 1926 as a one-week event to bring attention to the contributions of African Americans? The event became so popular that by 1976, President Gerald Ford made … Read more
Bushfires are common in northern Australia. (The scrub, woodland, and grasslands of Australia and New Zealand are called “the bush.”) The winters are dry, and a lightning strike or human error can ignite a blaze. … Read more
Donald Trump is only the third U.S. President to be impeached. But what exactly does impeachment mean? Impeachment starts in the House of Representatives. Members of the House of Representatives, who wanted to decide whether … Read more
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