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Chemistry
Electromagnetism
Astronomy
Geology
Grab Bag
100
What is the result when chemical bonds break and new bonds form?
What is a chemical reaction?
100
An electric current will always follow…
What is the path of least resistance?
100
The absolute brightness of a star depends on its…
What is size and temperature?
100
These are formed around the boundaries of Earth’s plates
What are faults?
100
This is located between Mars and Jupiter
What is the asteroid belt?
200
A chemical reaction that absorbs energy in the form of heat is described as…
What is endothermic?
200
The buildup of charges on an object
What is static electricity?
200
A common theory to describe the formation of the universe
What is the Big Bang?
200
The formation of the Hawaiian Islands is one example of…
What are hotspots?
200
Characteristics used to classify stars
What is size, temperature & brightness?
300
The attraction between oppositely charged ions
What is an ionic bond?
300
An electric current produces a(n)…
What is magnetic field?
300
The life time of a star depends on this factor
What is mass?
300
The process by which natural forces move weathered rock and soil from one place to another
What is erosion?
300
A covalent bond where atoms are shared unequally
What is polar?
400
Electrons involved in bonding
What are valence electrons?
400
Materials that allow the charges of an electric current to move freely through them
What are conductors?
400
The shape of the orbits of most comets
What is elliptical?
400
Soil formation begins with the weathering of
What is bedrock?
400
The color of the coolest stars
What is red?
500
Atoms with the same number of protons and different numbers of neutrons
What are isotopes?
500
The region around a magnet where the magnetic force in exerted
What is a magnetic field?
500
More than half of all stars are members of groups of two or more stars called…
What is a star system?
500
Soil that is rich in humus has high…
What is fertile?
500
What pH measures
What is the percent of hydrogen ions?