[DOC] [TLE] Elements in the Earth's Crust - Windows to the Universe [PAR] Newly-Found Rock May Prove Antarctica and North America Were Connected ... 
Together, the elements oxygen and silicon make up most of the Earth's crust... [DOC] [TLE] Chapter 1: The Earth in Context | Essentials of Geology, Fourth ... [PAR] Sedimentary rocks form when minerals precipitate out of a water solution. e. ... 
Iron, oxygen, silicon, and potassium make up most of the mass of the whole Earth
. ... to other elements to form many minerals, it accounts for about half (by weight)
... [DOC] [TLE] Composition of the crust - Chemical elements, Minerals, Rocks [PAR] The most common chemical elements in the crust are oxygen (46.6%), silicon ... 
Pure silicon oxide is known as mineral quartz which makes up 12% of the crust. 
... minerals in the crust, more than half (51%) of the crust is made up of this 
mineral group. ... It is just like aluminum hard to dissolve and carry away with 
water. [DOC] [TLE] Middle...Chapter 3, Lesson 1: What is Density? - Middle School ... [PAR] of more atoms, each with a greater mass, makes a copper cube weigh more than 
an alumi- .... Most plastics are less dense than metal but can have similar density 
to wood. Plastics ..... The volume that the rod takes up pushes or displaces the 
water. .... For each element, the atomic number is above the atom and the atomic. [DOC] [TLE] Be Atomic Number - Metallium - ElementSales.com [PAR] It oxidizes very easily and it is quite reactive with water, liberating hydrogen gas. 
..... The metal is the fourth most abundant element by weight that makes up the 
crust of the earth. ..... Titanium is as strong as steel, but about half the weight. ... 
Lunar rock samples from the Apollo program have a relatively high yttrium 
content. [DOC] [TLE] What Four Elements Make Up Almost 90% of the Earth? - Synonym [PAR] Iron, oxygen, silicon and magnesium make up 90 percent of the Earth's 
composition. ... in both the mantle and the crust, making it the third most abundant 
element. ... composition of the atmosphere, the hydrosphere (the Earth's water 
systems)... [DOC] [TLE] Atoms and Elements | Parts and Properties of an Atom | Compounds ... [PAR] For example, water has two atoms of hydrogen and one atom of oxygen. ... In 
most cases an atom has the same number of protons and electrons. ... Elements 
that have atomic numbers of up to 92 can be found in nature; those over 92 ..... is 
living or is made by living things; ounce =a unit for measuring weight = 28.35 
grams... [DOC] [TLE] 10(d) Composition of Rocks - Physical Geography [PAR] A list of the eight most common elements making up the minerals found in the ... 
Element. Chemical Symbol. Percent Weight in Earth's Crust. Oxygen. O ... that are 
compounds of one or more metallic elements combined with oxygen, water,... [DOC] [TLE] Element Abundance in Earth's Crust - HyperPhysics [PAR] Element, Approximate % by weight ... silicon in the crust, it should not be 
surprising that the most abundant minerals in the earth's crust are the silicates. ... 
These general element abundances are reflected in the composition of igneous 
rocks. [DOC] [TLE] Igneous Rock Composition - HyperPhysics [PAR] Most are composed of the eight most abundant elements in the Earth's crust. ... 
oxygen and silicon in the crust, igneous rocks are mostly made up of silicate 
minerals. ... Eight elements make up about 98% by weight of most magmas from 
which... [DOC] [TLE] Minerals, Rocks & Rock Forming Processes [PAR] The elements from Oxygen to Magnesium make up 98.5% of the crust and are ... 
The most common felsic rocks are granite and rhyolite, which (as we shall see ... 
of the Earth's crust is made of these two elements (more than 70% by weight), it is 
... for considerable scientific debate in the first half of this century, but today it is...

Question: This element makes up most of the weight of water & about half the weight of rocks
Answer: Oxygen