Pizza!

A piece of pizza can represent the earth's layers.

Cheese is the oceanic crust, the sauce is the asthenosphere, the toppings are the continental lithosphere, and the crust is the earth's crust.

Water

Big overpopulated cities are that way because of their location. Water plays a large part historically because of trade between US and the British via ship. If I had a  hundred dollars to represent the amount of water on the earth most of it would be in the oceans. About 9 cents would be rivers and lakes. about 6 dollars would be in glaciers.

Answer:

Story of Phyllite

I am going to tell the story about phyllite. Phyllite started as an igneous rock. It was most likely turned into a sedimentary rock such as mud by weathering and deposition. It was compressed into shale. The shale went to metamorphism with heat and pressure turning it into the metamorphic rock slate. Slate was metamorphed into phyllite with various amounts of biotite minerals.

Simulations, Analogues, and Models

All three types of rocks can be made using food items as models and analogues.

Igneous rocks can be modeled using peanut brittle. The shiny butter part shows that the rock went through heat. A hard candy such as a candy can can be used to show metamorphic rock because all the stuff is melted together to look like one. Sedimentary rock can be modeled using rice krispies because the krispies are still chunky and held together by compacted rock (marshmellow) and you can still tell what the krispies are.

Elements

Elements are a pure form of atoms that originated from hydrogen and helium bonding in the universe. The bonds led to new elements such as carbon and oxygen. There are also man made elements with the symbols UUU. Elements are a pure substance that contains atoms of the same amount of protons. Elements bond with their valence electrons. Ionic bonding is when to oppositely charged atoms bonds. I am unsure what metallic bonding consists of. Hydrogen bonding is a bond consisting of hydrogen and oxygen molecules.

Making fossils

To make fossils my partner and I used three different molds (10oz). Each mold had the same amount of water (4oz). The remaining 8 oz were plaster and sand. Mix one contained 75% sand and 25% plaster. This mixture was very easy to break apart and the impression from the shell wasn't very visible. The 2nd mold was 75% plaster and 25% sand. This mixture had the best fossil but was very hard to break apart. The best mixture to use in the classroom would be the 50% plaster and 50% sand.

Fossils

Fossils are made when an object is compressed in rock. It's form is kept from years of pressure. Fossils are only formed by certain types of rocks. Some creatures have very little evidence because of lack of fossils in that particular area. This form of fossil is called mold and cast.

Class Definition: Remainder of a living thing older than 5000 years. Evidence of life.
Fossils can be formed by mineral rich liquid, carbon impression, and mold and cast.