Chemistry
What is the chemical symbol for Sodium?
( NA )
How are plant and animal cells different? Name at least one.
( Plant cells have cell wall )
( Plant cells make their own energy )
( Plant cells have Chloroplasts )
What is the difference between weight and mass?
Mass ( The amount of matter in an object )
Weight ( The force of gravity working on an object )
Who Invented the atomic bomb?
( J. Robert Oppenheimer )
What is the chemical symbol for gold?
( AU )
Why do some items float and others sink in water?
Float ( Lighter mass than water )
Sink ( Heavier mass than water )
Who made "the Theory of Evolution?"
( Charles Darwin )
What is the chemical symbol for lithium?
( LI )
What is "Newtons First Law?"
( An object at rest stays at rest, and an object in motion stays in motion with the same speed and in the same direction unless acted upon by a net external force. )
Who discovered gravity?
( Isaac Newton )
What is friction?
( a force that opposes the relative motion or attempted motion of two surfaces in contact, always acting parallel to the interface to resist sliding )
Who Invented the periodic table?
( Dmitri Mendeleev )
What is the difference between speed and acceleration?
Speed ( The top cruising speed )
Acceleration ( The time it takes to get to the top cruising speed. )
Who discovered radiation?
( Marie Curie )