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Minerals & Canadian Mining Hall of Fame Level 2

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Space is really big, and mostly empty but our solar system contains stony or me- Rocks from Space tallic objects called . Meteoroids often come into Earth’s atmosphere.

The friction between the and the molecules in the atmosphere causes the meteoroid to heat up and glow. We call these meteors or shooting stars. If the meteoroid is big enough, it may crash onto Earth’s surface.

 is the name given to a meteoroid that has crashed onto Earth.

Meteorites are grouped into two major categories: and , de- pending on whether or not they have .

Find and sketch one meteorite from each of the two major categories.

Chondrite Achondrite  Find the Carbo-IID meteorite next to the video projection.

Watch the video and briefly describe how form. occasionally collide and break apart forming meteroids. Some get pulled towards Earth, pass through the atmosphere and burn up as meteors, then hit the Earth as a meteorite. What is the difference between these two groups? Chondrite meteorites have not been altered and have chondrules (round grains).

Minerals for Daily Life Most people don’t realize the Ontario Geology Over the last 1.3 billion

importance of Canada’s mining years Ontario has been industry in our daily lives. With- shaped by a series of out the mining of Canada’s geological activities. The mineral resources we wouldn’t first 300 million were sub- have cell phones, electronics, ject to the building of the digital cameras or thousands of Grenville Mountains. other modern conveniences and necessities.  This mountain range

rivaled that of Everest!  The average Canadian consumes or uses over 20,000 Millions of years later On- kilograms of minerals each tario was covered by a se- year. ries of shallow, tropical seas. One of the last major Use the video to list three ways geological events to affect our province was the glaci- in which we use each of the following minerals in our daily ation period of the last 10  Find the Canadian Mining lives. Many possible answers thousand years. Hall of Fame. Minerals we mine are classified into four Potash  Find the minerals What remains today of that main categories: metallic, Fertilizer from Southeastern ancient mountain range? non-metallic, industrial and Television tubes Ontario. Canadian Shield fossil fuels. Soap How does plate tectonics help explain tropical seas in Lead Ontario 400 million years ago? Magnesium Batteries The North American plate was nearer the equator. Fire works Ammunition List 3 minerals that were re-exposed as a result of the Flash photography Roofing last period of glaciation. Many possible answers In diet for strong heart Fluorite, Calcite, Apatite, Quartz, Barite, Magnetite

China & Currelly Level 1 & Dinosaurs Level 2

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Each figure is depicted in such a way as Planets on Parade Fossils Record Earth’s History to highlight the astronomical features of the planets they represent.

1  Venus is the second brightest celes- tial body next to our because its dense cloud cover reflects the suns light.

Identify which figure represents which 3 2 planet and explain the associated cosmic features.

4 1. —red planet, colour associated 5 with warfare and blood 2. Venus–thick atmosphere makes planet  Find the Barosaurus known as Gordo, very bright, shown as beautiful woman named after the ROM paleontologist who 3. Mercury—closest to sun, orbits every acquired the fossil remains. 88 days, shown as messenger (speedy) 4. Jupiter–largest planet, shown as ruler The existence of dinosaurs and other ancient holding peaches (visible ) life forms are recorded in their fossil remains.  Find this Daoist temple 5. Saturn-furthest planet, orbits every Life can become fossilized via 5 processes. mural from China. The five 29.5 years, shown as wise old man Although there are many types of fossils, the planets visible to the naked  Earth is represented as the floating most recognizable type is a fossilized bone. eye are shown personified world on the banner. Check off when you find examples of these in a celestial procession. fossilization processes.

Rocks are solid, naturally occurring ob- Earth’s Materials Replacement : when the original material jects that are made up of two or more min- is replaced with a crystallized mineral copy erals. They can be divided into one of three major classes according to how they & Permineralization : empty spaces in the organism are filled with minerals are formed.

Igneous : the crystallization of molten lava Compression : only the chemical elements of an organism remain, ex: fossil fern or partially molten magma

Sedimentary : materials accumulated on Preservation : ex: insect trapped in amber

the Earth’s surface then compress Mold or Cast Formation : trace fossils, like

Metamorphic : existing rock is exposed to track ways or filled in burrows

extreme heat and/or pressure  Permineralization greatly increases the beneath the earth’s surface weight of fossilized remains!

What class of rock is used to make the What processes fossilized Gordo’s bones? stairs and pillars by the totem poles? Permineralization

Stairs: sedimentary limestone What percentage of Gordo is real fossil? Pillars: metamorphic marble No exact number ~40-50%

Why would a museum display a cast and not Each class of rock can be further divided the real fossil? into various subclasses. There are two  Find the specimens of Too delicate, don’t have, being studied types of igneous rock. They can be deter- and amethyst in mined by the size of their crystals. Dinosaurs lived during the Mesozoic Era Currelly. which is divided into three time periods. The igneous rocks that form on the surface of the Earth cool so quickly Name a dinosaur from each period. that the crystals are too small to identify. Those that form under ground cool slowly enough that the crystals are easily recognizable. Triassic: Herrarasaurus , Coelophysis

The basalt specimen is of which form? Plutonic Volcanic Jurassic: Barosaurus , Allosaurus Cretaceous: Triceratops , Parasaurolophus  Amethyst, our provincial mineral, is abundant in northern Ontario!