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| An instrument that measures wind speed | |
| A clastic sedimentary rock consisting of angular fragments in varying sizes | |
| How heat is transferred in liquids and gases | |
| A long, canoe-shaped hill made of till and shaped by an advancing glacier | |
| The smallest unit of geologic time. Geologic eras are divided into periods and periods are divided into these | |
| A process in which water freezes in a crack in rock and the expansion wedges the rock apart | |
| An increase in the temperature of a planet's atmosphere caused when infrared-absorbing gases (such as carbon dioxide) are introduced into the atmosphere. | |
| The time required for half of the atoms in a radioactive substance to decay to a stable end product | |
| A large mass of igneous rock formed within the surrounding rock | |
| Period of abundant dinosaurs, 200 to 146 million years ago | |
| It's 149,598,000 of these from the Earth to the Sun | |
| The rigid crust that we walk on | |
| A long ridge of till deposited beneath, along the sides, and/or at the end of a glacier | |
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| The process in which a star , such as the Sun, combines hydrogen to make helium to create energy | |
| The chemical reaction of oxygen with other substances, commonly called rusting | |
| The outer, lighter part of a shadow | |
| The metamorphic form of sandstone | |
| A zone of separation of tectonic plates at a divergent plate boundary | |
| A single ice crystal falling from a cloud | |
| The latitude 23.5 degrees north of the equator. On June 21, the summer solstice, the sun's direct rays are here | |
| The asthenosphere is sometimes referred to as this | |
| The first day of spring | |
| The entire area drained by a stream and its tributaries | |
| Fifth layer of the atmosphere, outer space. | |
| National Park in California known for its beautiful glacial valley and stunning waterfalls | |
| Area above the water table that is unsaturated | |
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Periodic Table
Digits of Pi
Minute Math (Addition)
