Space
This is the coldest planet in our solar system with a coldest recorded temperature of -371 degrees.
Uranus
The ears of this animal can be 6 feet long.
African Elephant
This helps spread the Sun's heat around our planet.
The ocean
How many bones are in the adult human body?
206
This is the number of elements on the periodic table.
118
This is the fastest spinning planet in our solar system making its day length just under 10 hours.
Jupiter
This is the only bird that can fly backwards.
Hummingbird
This gas is the most abundant in Earth's atmosphere.
Nitrogen
This is how many pounds an average adult brain weighs.
3 pounds
This is the reason why an astronaut cannot burp in space and can only release gas by farting.
Gravity
This planet has clouds made up of sulfuric acid!
Venus
This is the largest living predatory fish.
Great White Shark
This is the LARGEST river on Earth by volume of water.
Amazon River
This substance produced by the human body is a type of sweat.
Earwax
This group of Nobel Elements is stable and does not like to bond with other atoms.
Nobel Gases
This planet has the slowest rotation speed, making one day equal to 243 Earth days.
Venus
These two animals can sleep while standing up.
Flamingos and Horses
~24 hours
What is the hardest substance in the human body?
Enamel
This is the color of oxygen when it is in a liquid or solid state.
Light Blue
This was the first food eaten in space by an American Astronaut.
Applesauce
This animal laughs when it is being tickled.
Rats
Which layer of Earth's atmosphere is missing:
Stratosphere, Troposphere, Exosphere, Thermosphere, and __________________
Mesosphere
Humans do this an average of 15 times a day.
The speed at which everything in Earth's atmosphere accelerates towards the ground.
9.8 m/s/s (acceleration due to gravity)