{"product_id":"volcanic-rock-collection-9781958398340","title":"Volcanic Rock Collection","description":"\u003cb\u003eScienceWiz(R) Volcanic Rocks Collection includes 10 large samples\u003c\/b\u003e, each about 1 inch in diameter. These ten rocks are displayed inside a tray encased inside a windowed, cardboard sleeve. The tray slides open like a matchbox. Included \u003cb\u003einside is a guide\u003c\/b\u003e to the collection. Each volcanic (igneous) rock description links (QR code) to further information \u003cb\u003eonline, that includes videos, activities, animations and games.\u003c\/b\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eThis collection includes an \u003cb\u003earrowhead made with obsidian\u003c\/b\u003e, a volcanic glass. It contains \u003cb\u003epumice\u003c\/b\u003e, a stone that floats in water. The surface of the \u003cb\u003eoceanic crust is paved with basalt\u003c\/b\u003e, which is also in this collection. Learn how volcanic activity along the 40,390 miles (65,000 kilometers) long mid-oceanic ridge extrudes this basalt. Hold it in your hand as you discover that basalt is also most common rock found on the rocky planets, including Mars and our Moon. Touch and identify granite, the \u003cb\u003eigneous rock that forms our continents.\u003c\/b\u003e Explore why Earth is called a granite planet and why granite is far more rare on other planets in our solar system.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cb\u003eThe igneous rocks in this collection include: basalt, pumice, obsidian, scoria, granite, an obsidian arrow head, dalmatian, gabbro, rhyloite and an igneous rock with the mineral magnetite\u003c\/b\u003e\u003c\/p\u003e\u003cbr\u003e","brand":"Sciencewiz","offers":[{"title":"Default Title","offer_id":50487183507730,"sku":"9781958398340","price":9.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0831\/4771\/8930\/files\/img_ee8e8615-52de-4074-a6ed-73cb656105a3.jpg?v=1730433823","url":"https:\/\/surprise-castle.myshopify.com\/products\/volcanic-rock-collection-9781958398340","provider":"Surprise Castle","version":"1.0","type":"link"}