1 .		The Earth’s mantle is a thin layer of material that lies above the Earth’s crust.   True  False
2 .		Pangaea is the name geologists use to convey the idea that all of Earth’s continents are now moving toward each other and will eventually "stick" together.   True  False
3 .		The Precambrian Era lasted from 65 million years ago to the present.   True  False
4 .		Ignatius rocks are formed from the heating and cooling of materials in the earth. False   True  False
5 .		Sedimentary rocks are formed when rock particles are forced together.   True  False
6 .		"What is in soil?" was presented as an example of a demonstration for middle-level learners.   True  False
7 .		"How to find the relative humidity." was included as an example of an attention getter for young children.   True  False
8 .		"Indoor rainmaking." was included as a demonstration for young learners.   True  False
9 .		"How does a thermometer change on hot or cold days?" was included as a demonstration for middle-level learners.   True  False
10 .		"How to find the dew point." was included as a sample attention getter for young children.   True  False
11 .		Upward and downward air movements (convection) produce a thunderstorm.    True  False
12 .		A snowstorm is a storm in which snow falls at least 4 inches in two hours.   True  False
13 .		Sedimentary rocks are formed as the result of pressure, heat and chemical action.   True  False