Electromagnetism
Which part of the Electromagnetic spectrum is the best at heating up water molecules?
microwave radiation
Is Elon Musk a good dancer?
No.
Name a black inventor, engineer or mathematician.
Garret Morgan, G.W. Carver, Dorothy Vaughn, Katherine Gobel Johnson, Mary Jackson. Open list.
Which part of the electromagnetic spectrum can ´see´ through solid objects?
X-ray
What is one business that Elon Musk owns or founded. Bonus for 1 additional anwer.
Tesla, paypal, SpaceX, Twitter, The Boring Company, OpenAI, Starlink.
Which Japanese electronics and entertainment company pioneered the Lithium-Ion battery, allowing for powerful pocket-sized electronics.
Hint: they were not a battery maker, but could not get any one else to build it.
Sony
What role did black women play at NASA in the 1950´s onward?
They began as ´computers´ and expanded into engineering and computer programming.
Why was it difficult for the U.S. to detect the Chinese spy balloon?
It was made of rubber and flew at 100,000 feet. Typical RADAR systems search for metal objects flying around 30,000 feet (jets).
Multiple Choice
This year, did Elon Musk lose...
A. $2 Billion
B. $20 Billion
C. $200 Billion
$200 billion... He lost half his wealth and became the second wealthiest person in the world.
What challenges come from building batteries large enough to power cars and even entire cities?
financial cost, environmental cost, lack of lithium and other rare minerals, risk of explosions.
What is one accomplishment of Mae Jemison?
Astronaut, medical doctor, engineering company founder.
What does FM stand for in FM radio?
Frequency Modulation
How many gallons of water does it take to put out a typical Tesla car fire?
around 20,000-40,000 gallon of water
Pennies are no longer mostly copper. What are new pennies now made of?
Where did Europeans in Massachusetts get life-saving knowledge of inoculation, an early form of vaccination during the 1721 smallpox outbreak?
Onesimus, an enslaved man. He came from West Africa, where people had long had knowledge of inoculation and other medical practices.
Why can AM radio travel far distances?
It is able to bounce between the ground and the atmosphere and thus travel around the curve of the earth.
What country was Elon Musk born in? This country´s major languages include English, Xhosa, Zulu and Afrikaans.
South Africa
What is released when an acid battery oxidizes zinc?
Electons, electricity
What was one accomplishment of Garret Morgan?
traffic light, gas mask, hair cream and others.