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Eighth Grade Science Test Quiz
Are you smarter than an eighth grader? These are words from my actually study guide for my test soon.
10 questions total
time left: 1:40
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1. *Chemistry* The first letter of an element symbol must always be-
followed by a second uppercase letter
followed by a lowercase letter
lowercased
capitalized
2. In the Periodic Table of Elements, what is the name of the group in column eight?
alkali metals
chalcogens
noble gases
alkali earth metals
3. *Plate Tectonics* How many plates (sections of the earth's crust) are there theorized in plate tectonics?
17
24
7
20
4. What do these plates "float" on?
lithosphere
asthenosphere
uppermantle
inner core
5. *Continental Drift* Who proposed the theory of continental drift?
Abraham Ortelius
Frank Bursley
Harry Hess
Alfred Wegener
6. Where were the boundaries of in the theory of Continental drift believed to be?
between mid-ocean ridges
beside mountain ranges
at the edge of the continents
none of these answers
7. *Geology* What types of landforms actually form at a colliding boundary?
New Oceanic Crust
Island arcs
Rifts
Mountain Ranges
8. A strike-slip boundary is also called a ________ boundary.
_convergent_
_divergent_
_transform_
_thrust_
9. *Astronomy*What is a binary star? ---
pair of stars that appear close to each other in the sky.
star system of two stars orbiting around their center mass.
group of stars formed in the same molecular cloud.
hypothetical matter undectable by its emitted radiation.
10. What is a supernova?
violent charge of energy made by a chemical/nuclear reaction
deliverance from the charge of an offense
stellar explosion of an aged star that is very luminious
space which the gravitational force is enough to pull light
creator
Thejonathaner
Mar 18, 2009
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