Which ancient civilization built the Great Pyramids of Giza?
Ancient Egypt
What is the largest ocean on Earth?
Pacific Ocean
What is known as the "powerhouse of the cell"?
Mitochondria
What is the pH value of pure, distilled water at room temperature?
7 (Neutral)
What term describes the artificial application of water to land to assist in crop production?
Irrigation
Who was the first President of the United States?
George Washington
Which continent is the South Pole located on?
Antarctica
How many chambers are in a human heart?
Four
Which gas makes up approximately 78% of Earth's atmosphere?
Table Salt
What basic agricultural technique involves alternating the types of crops grown in a field each season to preserve soil health?
Crop rotation
Which English monarch signed the Magna Carta in 1215?
King John
Which country has the longest coastline in the world?
Canada
Which blood vessels carry oxygenated blood away from the heart to the rest of the body?
Arteries
Which type of chemical bond involves the sharing of electron pairs between atoms?
Covalent bond
What do the letters "N-P-K" stand for on a commercial fertilizer label?
Nitrogen, Phosphorus, Potassium
The ancient city of Constantinople is known by what name today?
Istanbul
What is the largest landlocked country in the world by area?
Kazakhstan
What is the process by which cells divide to produce two identical daughter cells?
Mitosis
What is the lightest element on the periodic table?
Hydrogen
Which soil particle size is smaller than sand but larger than clay?
Silt
Which West African empire reached its height under the rule of Mansa Musa in the 14th century?
The Mali Empire
Which sovereign nation is entirely surrounded by South Africa?
Lesotho
What hormone, produced by the pancreas, regulates glucose levels in the bloodstream?
Insulin
What is the SI unit used to measure the amount of a substance, defined as containing exactly 6.022 x 10^23 elementary entities?
Mole (mol)
What bacterial genus forms symbiotic relationships with legume roots to fix atmospheric nitrogen into the soil?
Rhizobium