The Basics
This gas creates the bubbles found in soda.
What is carbon dioxide?
The only mammal capable of true flight belongs to this animal group.
What are bats?
This substance covers about 70% of Earth’s surface.
What is water?
This is the number of inches in a foot.
What is 12?
This temperature equals 0°C on the Fahrenheit scale.
What is 32°F?
The only mammal capable of true flight belongs to this animal group.
What are bats?
This natural event involves strong rotating winds.
What is a tornado?
This unit is used to measure weight in the U.S.
What is pounds?
This gas fills most balloons and makes them float because it is lighter than air.
What is helium?
These birds were historically used in mines to detect poisonous gases.
What are canaries?
A violent geological event that releases magma, ash, and gases is known as this.
What is a volcanic eruption?
There are this many minutes in an hour.
What is 60?
This element is the most abundant in the universe.
What is hydrogen?
This animal’s dorsal fin often collapses when living in captivity but remains upright in the wild.
What is an orca (killer whale)?
The study of earthquakes is known by this scientific term.
What is seismology?
The deepest swimming pool in the world reaches about this depth.
What is 60 meters?
The unit used to measure spicy heat in chili peppers is called this.
What is the Scoville unit?
This ocean animal controls buoyancy partly by releasing gas.
What is a manatee?
This layer of Earth is made of solid rock beneath our feet.
What is the crust?
This boundary about 100 km above Earth is used as the edge of space.
What is the Kármán line?