Question 1: Why is handwashing so important in preventing the spread of infections?
Question 2: In what decade were bell-bottom pants most popular?
Bell-bottom pants, flared at the bottom, were an iconic fashion trend of the 1970s disco era. They were often made of denim and worn by both men and women.
Question 3: When does a caterpillar turn into a butterfly?
Caterpillars undergo a dramatic transformation called metamorphosis inside a protective cocoon or chrysalis during the pupa stage. This is when the caterpillar's body is broken down and reformed into the adult butterfly.
Question 4: When did the musical "Hamilton" first premiere on Broadway?
Hamilton premiered off-Broadway at The Public Theater in February 2015 before transferring to Broadway's Richard Rodgers Theater in August 2015. Since then, it has become a cultural phenomenon, winning 11 Tony Awards and the Pulitzer Prize for Drama.
Question 5: Why does hydrogen peroxide bubble when it comes in contact with a cut or wound?
Catalase is an enzyme found in nearly all living organisms exposed to oxygen. It catalyzes the decomposition of hydrogen peroxide to water and oxygen. This rapid release of oxygen causes the characteristic foaming when hydrogen peroxide is applied to a wound.
Question 6: Which chemical element has the highest melting point?
Carbon, in its diamond form, has the highest melting point of any element at around 7,280°F (4,027°C). Carbon's extremely strong covalent bonds require immense energy to overcome, giving diamond its record-setting melting point.
Question 7: If the sun is considered a star, what is the closest star system to our solar system?
The Alpha Centauri system is actually a triple star system, consisting of Alpha Centauri A, Alpha Centauri B, and Proxima Centauri. Proxima Centauri is the smallest star in the system and is actually the closest individual star to our solar system at 4.24 light years away.
Question 8: How many different shapes of pasta are there?
There are over 350 different pasta shapes produced worldwide. Pasta comes in a wide variety of forms including long shapes like spaghetti, short shapes like fusilli, shells, bowties, tubes and many other unique designs. Each shape is best suited for holding certain sauces and ingredients.
Question 9: Who was the longest serving US President?
Franklin D. Roosevelt served as the 32nd president of the United States for over 12 years, from 1933 until his death in 1945. He was elected to four consecutive terms, making him the only US president to serve more than two terms.
Question 10: Why did IBM name its chess computer Deep Blue?
IBM's computer was named Deep Blue after the company's logo color. In 1997, Deep Blue famously defeated world chess champion Garry Kasparov, marking a significant milestone in artificial intelligence.
Handwashing with soap and water is one of the most effective ways to remove harmful germs and chemicals from hands, helping prevent their spread to others. The CDC recommends scrubbing hands for at least 20 seconds.