Summer officially begins in the Northern Hemisphere on what astronomical event?
The Summer Solstice.
What causes ocean tides?
The gravitational pull of the Moon
Which fruit is made up of about 92% water?
Watermelon
Independence Day celebrates America's independence from which country?
Great Britain.
Which flower famously turns its face toward the sun?
Sunflower
Which month typically contains the Summer Solstice?
June.
Which ocean borders the eastern coast of the United States?
The Atlantic Ocean.
What classic picnic salad is traditionally made with potatoes, mayonnaise, and hard-boiled eggs?
Potato salad
What famous 1966 song by The Lovin' Spoonful is often associated with summer?
"Summer in the City"
What is the name for a group of butterflies?
A kaleidoscope.
What weather scale measures the strength of hurricanes from Category 1 to Category 5?
Saffir–Simpson Hurricane Wind Scale (SSHWS)
Which U.S. state is nicknamed "The Sunshine State"?
Florida
Which spice gives barbecue sauce much of its smoky flavor?
Paprika
Which American composer wrote "The Stars and Stripes Forever," often heard at summer parades?
John Philip Sousa.
What U.S. National Park, established in 1872, is widely considered the world's first national park and is a favorite summer destination?
Yellowstone National Park.
What is the scientific term for the amount of water vapor in the air?
Humidity.
What is the strongest type of ocean current that can quickly pull swimmers away from shore?
A rip current.
Which frozen dessert is made primarily from fruit puree rather than cream?
Sorbet
Which famous bicycle race takes place every July in France?
The Tour de France.
What vitamin does the body naturally produce after exposure to sunlight?
Vitamin D
Which U.S. state experiences the greatest number of tornadoes in an average year?
Texas
What famous lighthouse stands at the entrance to San Francisco Bay?
Point Bonita Lighthouse 
What fruit is traditionally celebrated at festivals in states like Georgia and South Carolina during the summer?
Peach
Which Shakespeare play features a magical forest and has the word "Summer" in its title?
A Midsummer Night's Dream.
What is the largest coral reef system in the world?
The Great Barrier Reef