Which of the following is NOT an example of a PHYSICAL CHANGE? (A) Shaping a gold bar (B) Melting of a popsicle (C) Exploding fireworks (D) sanding a piece of wood
(C) Exploding fireworks
100
What do atoms gain, lose, or share when they bond?
Electrons
100
What is the difference between a series circuit & a parallel circuit?
A series circuit has only 1 path of electrical flow while a parallel circuit has multiple paths.
100
What type of galaxy is the Milky Way?
Spiral Galaxy
100
In what state is the tallest mountain in the United States?
Alaska
200
Which of the following is NOT the result of a CHEMICAL CHANGE?
(A) Soured milk (B) Rusted metal (C) Ground flour (D) Digested food
(C) Ground flour
200
What are the charged particles called that result from a neutral atom gaining or losing electrons?
Ion
200
Is rubber a conductor or an insulator?
Insulator
200
The sun produces it's energy through a process called _____.
Fusion
200
What is the largest state in the United States?
Alaska
300
What is the smallest particle into which a substance can be divided and still be considered the same substance?
Atom
300
What is the bond called that is formed when atoms transfer electrons?
Ionic Bond
300
Name a device used to prevent overloaded circuits in homes.
Fuse box or circuit breaker
300
Provide a piece of evidence that supports The Big Bang Theory.
Red Shift
Cosmic Background Radiation
300
What is the name of the tallest mountain in the United States?
Denali (or Mount McKinley)
400
If an isotope of Uranium, Uranium-235, has 92 protons, how many protons does Uranium-238 have?
92
400
What type of chemical reaction occurs when two elements combine to form a larger compound?
Combination
400
What is the difference between a static discharge and an electrical current?
A static discharge only lasts for a fraction of a second.
400
What two characteristics of a star are used in an H-R Diagram?
Luminosity(Brightness) and Temperature
400
This world champion boxer once bit off a piece of Evander Holyfield's ear during a match.
Mike Tyson
500
What are the vertical columns and the horizontal rows in a periodic table called?
Horizontal - Periods
Vertical - Groups
500
Balance the following equation GaF3 + Cs --> CsF + Ga
GaF3 + 3Cs --> 3CsF + Ga
500
The statement that current is equal to voltage difference divided by the resistance is known as _____.
Ohm's Law
500
What will happen to the relative amounts of hydrogen in the Sun over the next few billion years?