Everything is made up of tiny atoms.
Crystals are solids whose atoms form a very regular pattern.
A diamond is a very hard, shiny jewel.
An emerald is a hard, shiny, deep green jewel.
جواهر، سنگ گرانبها
Gems sparkle and shine.
چشمه آب گرم، (زمین شناسی) آبفشان
A geyser is a natural hot spring that occasionally sprays water and steam above the ground.
Geology is the study of the Earth’s structure, including rocks and minerals.
یخچال، یخچال طبیعی
A glacier is a large, slowly-moving river of ice.
Gold is a precious metal. Coins and jewelry are made from gold. The Sacajawea US dollar coin above looks like gold.
سنگ خارا، گرانیت
Granite is a common type of igneous rock. Granite is formed in a slow cooling process.
سنگ آذرین، سنگ آتش فشانی
When molten rock cools, igneous rock is formed.
باقی مانده های برخورد یک شهاب سنگ یا سیارک با زمین
Impact craters are the remains of collisions between an asteroid or meteorite and the Earth.
Iron is a common metal that is used for many things, like train tracks, pots, and pipes.
Lava is molten rock. It comes out of erupting volcanoes.
Limestone is a type of sedimentary rock that is made of the skeletons of tiny microorganisms.