Vocab
Pure metal sinks to the bottom and _____________ rises to the top.
A) waste
B) slag
C) Copper
Slag
What is the most useful mineral found in the Rocky Mountains? ________________
Copper
Ore must reach the ________________ point before it will melt into liquid.
Smelting
What is the oldest national park in the United States? _______________
Yellowstone National Park
Old Faithful is a famous __________________
Geyser
Why is the Great Salt Lake saltier than the sea?
A) Only saltwater fish live there.
B) Ocean Water Flows there.
C) River Minerals are Trapped There
D) Salt from Mines is Dumped There
C) River Minerals Are Trapped There
Trees cannot grow above the ___________________ because it's too cold.
Timberline
Krummholz trees are twisted because it helps the trees survive
A) Hot weather and Floods
B) Cold weather and winds
C) Lack of Rain
B) Cold Weather and Winds
Rivers west of the ___________________ flow into the Pacific Ocean.
A) Continental Divide
B) Mississippi River
C) Mesa Verde National Park
A) Continental Divide
At the top of the Rocky Mountains, there is
A) Less Sunlight
B) Higher Humidity
C) More Precipitation
D) Less Precipitation
C) More Precipitation