Quark
Formula of density?
Density = Mass/Volume
What is the basic unit of life?
Cell
What is the science of weather?
Meterology
Chemical energy
I speak without a mouth and hear without ears. I have no body, but I come alive with wind. What am I?
An echo
What is the unit of electric current?
Ampere (A)
What am I?
Cell membrane
A small rocky body that orbits the Sun, primarily found in the asteroid belt between Mars and Jupiter, though some also exist in other parts of the solar system.
Asteroid
Less than 7
What can travel around the world while staying in a corner?
A stamp.
Name the process by which heat is transferred through a vacuum (without a medium).
Radiation
What is DNA stands for?
Deoxyribonucleic Acid
What is the largest planet in our solar system?
Jupiter
What is the chemical symbol for sodium?
Na
What comes once in a minute, twice in a moment, but never in a thousand years?
The letter "M".
In 2015, gravitational waves were first directly observed after this man predicted them a century earlier.
Albert Einstein
Natural selection
A cloud of gas and dust in space, often where stars are born or where stars have exploded.
Nebula
What is the lightest element on the periodic table?
Hydrogen (H)
I am not alive, but I can grow. I don't have lungs, but I need air. What am I?
A fire.
Newton's ______ Law of Motion states that an object at rest will remain at rest, and an object in motion will remain in motion with a constant velocity unless acted upon by a net external force.
Newton's First Law of Motion
A change in the DNA sequence of an organism's genome that can result in alterations to the organism's structure, function, or behavior.
Mutation
What is the approximate age of the Earth?
approximately 4.54 billion years old.
What is the process by which a solid changes directly into a gas called?
sublimation
What has cities, but no houses; forests, but no trees; and rivers, but no water?
A map.