EARTH
This wall is said to be visible from the Moon, but it's not.
What is the Wall of China
This joint-popping habit was said to cause arthritis, but science says it doesn’t.
What is cracking your knuckles?
People used to believe ships would sail off the Earth because of this shape
What is flat
This invisible force keeps everything on Earth grounded.
What is gravity
What is the closest star to Earth?
What is the Sun
People say lightning avoids striking the same spot twice, but it often does.
What is Recurrent Lightning Spots
Many people say humans only use this percent of their brains but it’s not true.
What is 10%
Many people think the Earth’s seasons are caused by this.
What is the Earth’s distance from the Sun?
What does Earth orbit around?
What is the Sun
Some think stars twinkle because they blink — but this causes the twinkling instead.
What is Earth's atmosphere?
This covers about 71% of Earth’s surface.
What is the Ocean
This force isn’t exactly the same everywhere on Earth it can be weaker at the equator.
What is gravity?
What causes day and night on Earth?
What is Earth's rotation?
Many believe stars stay the same forever but all stars go through this over time
Mount Everest isn’t the tallest mountain on Earth.
What is Mauna Kea
Despite how it feels, Earth is spinning at roughly this speed at the equator.
What is 1,000 miles per hour?
What layer of gases surrounds Earth and makes life possible?
What is the atmosphere
Many people believe yellow or white are the hottest star colors but its not.
What is blue
most of Earth’s oxygen is made not by the Amazon rainforest but by this tiny ocean organism.
What is Plankton
This ancient belief wrongly claimed that Earth was at the center of the universe.
What is geocentrism?
What protects Earth from the Sun’s harmful radiation?
What is the ozone layer
Many people believe that stars disappear after their lifetime but they turn into this invisible thing in space.
What is a Black Hole