This is the point at which an element may turn into a gas.
What is the Boiling Point?
This force keeps things from flying or floating.
What is Gravity?
This is the center of a cell and consists of protons and neutrons.
What is the Nucleus?
This body is made of hydrogen and radiates heat and light.
What is the Sun/Stars?
This makes up 60% of the human body.
What is Water?
This substance is the only one to expand when frozen.
What is Water?
This is the first law of Thermodynamics.
What is the Law of Conservation of Energy?
This type of cell has a cell wall.
What is a Plant Cell?
The universe is estimated to be this old according to the Big Bang Theory.
What is 13.5 billion years?
These letters and letter combinations make up the four blood types (multiple answers needed).
What is A, B, AB, and O?
When added to water, this can make the water level decrease by up to 2%.
What is Salt?
This theory was derived from Einstein's theory of relativity and states that all things are made of vibrating strands.
What is String Theory?
This is the official name for DNA.
What is Deoxy-Ribonucleic-Acid?
The line "Houston, we have a problem" was said during this spaceflight.
What is Apollo 13?
This vital organ has over 500 functions.
What is the Liver?
This material and graphite are both entirely made of carbon and nothing else.
What is Diamond?
This formula is stated in Newton's second law.
What is F=ma (force equals mass times acceleration)?
This is the largest living structure on Earth.
What is the Great Barrier Reef?
According to this culture the Universe has never begun or ended.
What is Asian Cultures?
This organ uses 20% of the total blood and oxygen supply.
What is the Brain?
At this temperature, air reverts to a liquid state (in Celsius).
What is -190 Degrees Celsius?
Due to differences in gravity a 200 pound object would only weigh this much on Mars.
What is 76 pounds?
In 1996 this animal was the first to be cloned from an adult cell.
What is a sheep?
One teaspoon of this fast celestial body, would weigh as much as the human population.
What is a Neutron Star?
This body part is the only one that cannot repair itself.
What are the Teeth?