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Earth Day
100

Which sport does Serena Williams play?

Tennis

100

What mammal lays eggs?

The platypus

100

What force keeps planets in orbit around the sun?

Gravity

100

Who was assassinated on April 14th, 1865, in Ford's Theatre?

Abraham Lincoln

100

Which are the "3 Rs" of waste management, often promoted on Earth Day?

Reduce, Reuse, Recycle

200

Which country does rugby originate from?

England

200

What is the only continent where Giraffes live in the wild?

Africa

200

Who developed the theory of relativity?

Albert Einstein

200

In what year did World War I begin?

1914

200

In what year was the very first Earth Day celebrated?

1970

300

What city hosted the Summer Olympics in 2016?

Rio de Janeiro

300

What type of animal is a Komodo Dragon?

Lizard (Reptile)

300

Which physicist was known for his work on black holes?

Stephen Hawking

300

What was the original name of New York City?

New Amsterdam

300

What type of gases, such as Carbon Dioxide and Methane, trap hear in the Earth's atmosphere and contribute to global warming?

Greenhouse Gases

400

In what year did Michael Phelps win eight gold medals at the Olympics?

2008

400

What is the collective term for a group of lions?

A pride

400

What is the rarest blood type?

AB -

400

Who was the leader of the Soviet Union during World War II?

Joseph Stalin

400

What is the name given to the massive accumulation of plastic waste circulating in the North Pacific Ocean?

The Great Pacific Garbage Patch

500

Which country won the most recent FIFA Men's World Cup?

Argentina (2022)

500

What is the largest species of bear?

Polar Bear

500

Which planet in our solar system is the hottest?

Venus

500

The Berlin Wall fell in what year?

1989

500

What does the "Ozone Layer," located in the stratosphere, protect the Earth from?

Ultraviolet (UV) Radiation

600

Who was the first athlete to win six Tour de France titles?

Lance Armstrong (but later stripped of titles)

600
How many hearts does an Octopus have?

Three

600

What is the hardest substance on Earth?

Diamond
600

Who was the first female Prime Minister of the UK?

Margaret Thatcher

600

What is the largest living structure on Earth, visible even from space, which is currently under threat from climate change?

The Great Barrier Reef