A barometer is used to measure what?
A. Wind speed
B. Rainfall
C. Air pressure
D. Humidity
C. Air pressure
Which national park is home to some of the most giant trees in the world?
A. Everglades
B. Sequoia National Park
C. Acadia
D. Grand Teton
B. Sequoia National Park
What bird is often called a "night hunter" because of its excellent vision and hearing?
A. Hawk
B. Owl
C. Robin
D. Crow
B. Owl
The Mississippi River empties into which body of water?
A. Atlantic Ocean
B. Gulf of Mexico
C. Pacific Ocean
D. Caribbean Sea
B. Gulf of Mexico
Which of these animals is the largest land animal in the world?
A. Rhinoceros
B. Hippopotamus
C. African Elephant
D. Giraffe
C. African Elephant
What type of cloud is most commonly associated with fair weather?
A. Cumulus
B. Cirrus
C. Stratus
D. Nimbus
A. Cumulus
Old Faithful, one of the world's most famous geysers, is located in which national park?
A. Yosemite
B. Yellowstone
C. Zion
D. Glacier
B. Yellowstone
Which bird cannot fly but can run up to 40 miles per hour?
A. Penguin
B. Kiwi
C. Ostrich
D. Emu
C. Ostrich
At approximately 1,900 miles long, what is the longest river in the United States?
A. Colorado River
B. Missouri River
C. Mississippi River
D. Columbia River
B. Missouri River
Which wild animal is known for carrying its baby in a pouch?
A. Koala
B. Kangaroo
C. Panda
D. Sloth
B. Kangaroo
The Fujita Scale is used to measure the strength of what weather event?
A. Hurricanes
B. Blizzards
C. Tornadoes
D. Floods
C. Tornadoes
What is the name of the longest mountain range in North America?
A. Rockies
B. Appalachians
C. Sierra Nevada
D. Cascades
A. Rockies
A group of crows is commonly known by what name?
A. Colony
B. Flock
C. Murder
D. Squad
C. Murder
What term describes the area where a river meets the sea and freshwater mixes with saltwater?
A. Delta
B. Estuary
C. Lagoon
D. Basin
B. Estuary
What is a group of wolves called?
A. Herd
B. Troop
C. Pack
D. Colony
C. Pack
What is the name for a long period with little or no rainfall?
A. Monsoon
B. Drought
C. Cyclone
D. Frost
B. Drought
In which state would you find the famous volcanic mountain Mount St. Helens?
A. Oregon
B. Idaho
C. Washington
D. Montana
C. Washington
Which North American bird is famous for storing thousands of acorns each year?
A. Blue Jay
B. Cardinal
C. Goldfinch
D. Wren
A. Blue Jay
Lake Baikal in Siberia is famous for being the world's what?
A. Largest saltwater lake
B. Deepest freshwater lake
C. Warmest lake
D. Highest lake
B. Deepest freshwater lake
Which big cat is known for having black "tear marks" running from its eyes to its mouth?
A. Lion
B. Leopard
C. Jaguar
D. Cheetah
D. Cheetah
Which layer of Earth's atmosphere contains most weather events?
A. Thermosphere
B. Mesosphere
C. Troposphere
D. Exosphere
C. Troposphere
Which explorer is credited with bringing national attention to Yosemite Valley in the 1800s?
A. John Muir
B. Daniel Boone
C. Kit Carson
D. Meriwether Lewis
A. John Muir
What bird has the largest wingspan of any living bird?
A. Andean Condor
B. Bald Eagle
C. Wandering Albatross
D. Pelican
C. Wandering Albatross
What is the name of the deepest known location in Earth's oceans?
A. Puerto Rico Trench
B. Mariana Trench
C. Tonga Trench
D. Java Trench
B. Mariana Trench
Which animal has the longest migration of any land mammal in North America?
A. Elk
B. Moose
C. Caribou
D. Bison
C. Caribou