The stripes on the US flag represent this.
What are the 13 colonies?
This west coast state has the largest population.
What is California?
This country is shaped like a boot.
What is Italy?
This is the human body's largest organ.
What is the skin?
The meaning of the root word anti-
What is against?
The only president to serve more than two terms.
Who is FDR?
This Great Lake sits directly north of Ohio.
What is Lake Erie?
This country is credited with inventing gunpowder, the compass, and paper.
What is China?
The are the five classes of vertebrate animals.
What are mammals, fish, birds, reptiles, and amphibians?
The meaning of the root word a(n)-
What is without?
In 1867, the US bought Alaska from this country.
What is Russia?
Having provided "8" US presidents, this state is known as the Mother of Presidents.
What is Virginia?
This continent has the most countries.
What is Africa?
This is the process by which plants turn sunlight into energy.
What is photosynthesis?
The meaning of the root word mal-
What is bad?
The relationship between the US and this European country us called the "Special Relationship."
What is the UK?
This is the capital of Kentucky.
What is Frankfort?
This country is the most populated, with ~1.45 billion residents.
What is India?
This is one thing that makes plant and animal cells different.
What is the cell wall, central vacuole, or chloroplasts?
The meaning of the root word tard-
What is slow?
Abraham Lincoln and these three other US presidents were assassinated.
Who are presidents Kennedy, Garfield, and McKinley?
These two US states have nontraditionally shaped flags.
What is Ohio and Rhode Island?
This country was once known as Siam.
What is Thailand?
This is the largest bone in the human body.
What is the femur?
The meaning of the root word eco-
What is house (or habitat)?