20 Question Quiz
Questions: 16 · 10 minutes
1. Matching fossils and rock formations are found on coastlines now separated by the Atlantic Ocean. Which idea does this evidence most directly support?
Ocean tides once carried identical rock layers between continents.
Sea level has always remained constant.
All continents formed independently in their present locations.
The continents were once joined and later moved apart.
2. Who wrote the dystopian novel “Nineteen Eighty-Four”?
Aldous Huxley
George Orwell
Ray Bradbury
H. G. Wells
3. A non-native predator enters an ecosystem, and the population of a native prey species soon falls sharply. What is the most direct ecological explanation?
The prey species immediately evolved into a new species.
The predator increased the prey's available food supply.
The ecosystem stopped transferring energy between organisms.
Added predation pressure disrupted the existing food web.
4. The discovery of the Rosetta Stone was especially important because it helped scholars decipher which writing system?
Egyptian hieroglyphs
The Phoenician alphabet
Mesopotamian cuneiform
Norse runes
5. A solution with a pH of 3 has how many times the hydrogen-ion concentration of a solution with a pH of 5?
2 times
10 times
100 times
1,000 times
6. About one week after a new moon, which lunar phase is normally visible?
Full moon
First quarter
Third quarter
New moon again
7. A recipe uses 3 cups of flour for 12 servings. At the same ratio, how much flour is needed for 20 servings?
7.5 cups
4 cups
6 cups
5 cups
8. In the sentence “Although the trail was steep, the hikers continued,” what relationship does “although” signal?
A cause-and-effect relationship
An example that clarifies the word “trail”
A chronological sequence of events
A contrast between difficulty and continued action
9. You attend a concert instead of working a paid evening shift. In economics, what is the clearest opportunity cost of that choice?
The total cost of organizing the event
The money the performer earns from the concert
The wages you gave up by not working the shift
The enjoyment you receive while attending
10. The Magna Carta was first issued in 1215 in which kingdom?
France
Scotland
England
Spain
11. Which artist painted “The Starry Night”?
Vincent van Gogh
Pablo Picasso
Edvard Munch
Claude Monet
12. Why does Earth experience seasons during the year?
Earth moves substantially closer to and farther from the Sun during each orbit.
Earth's tilted axis changes the angle and duration of sunlight each hemisphere receives.
The Sun produces different amounts of heat in different months.
Earth's rotation speeds up and slows down over the course of a year.
13. When a website address begins with “https,” what does the “s” primarily indicate?
The connection uses encryption to protect data while it is transmitted.
The website cannot collect any information from visitors.
The website's files are stored only on the user's device.
The website is certified to contain accurate information.
14. What is a central purpose of separating governmental power among legislative, executive, and judicial branches?
To ensure that every law is approved directly by voters
To give courts responsibility for collecting taxes
To limit the concentration of authority through checks and balances
To prevent the executive branch from participating in foreign affairs
15. Immediately after a short sprint, why do breathing and heart rates usually increase?
To deliver more oxygen and remove carbon dioxide more rapidly
To lower the body's core temperature by stopping cellular respiration
To reduce blood flow to the working muscles
To convert oxygen directly into stored body fat
16. A traveler follows the Andes mountain range from Colombia toward Patagonia. Along which side of South America are they mainly traveling?
The eastern side, beside the Atlantic Ocean
The western side, near the Pacific Ocean
The northern side, along the Caribbean coast
The central lowlands, beside the Amazon River