Phobia
What is the fear of spiders called?
Arachnophobia
Which planet is closest to the sun?
Mercury
How many bones is in the (adult) body?
206
What is the process where plants convert sunlight to energy?
Photosynthesis
What is responsible for carrying blood around the body?
the heart
What is the fear of tight spaces called?
Claustrophobia
Which planet is the hottest?
Venus
Where is the strongest muscle located?
Jaw
What is the process by which a liquid changes into a gas?
Evaporation
The inner ear
What is the fear Acrophobia the fear of?
Heights
What is the outermost layer of the Earth's atmosphere called?
Exosphere
How many bones are in your ear?
3 (hammer, anvil, and stirrup)
What is the largest mammal on Earth?
Blue whale (their heart is the size of a golf cart or small car and weighs between 400 to 1,300+ pounds)
*Gorilla weighs 400-450 pounds
*Polar bears, moose, and camels weigh between 900 and 1,300 pounds
What is the fastest known speed in the universe?
*299,792,458 meters per second
*186,282.4 miles per second
Ophidiophobia is the fear of what animal?
Snakes
Which planet has the most moons?
Saturn
Which is the only muscle that is fully grown from birth?
Eyeballs
What is the worlds largest tree?
Giant Sequoia
How many elements are on the periodic table?
118
Glossophobia is the fear of what?
Public speaking
How many stars are estimated to be in the observable universe?
200 billion trillion (more than every grain of sand on Earth) to 1 septillion
*2x1023 or 1x1024
How many muscles are there in the human body?
600+ (biggest muscle is the gluteus maximus)
How old is the sun?
about 4.6 billion years old
What scientific theory proposed that Earth revolves around the sun?
Heliocentrism