test 02/04

What process creates the Sun’s energy at its center?

• Burning of oxygen with fire
• Gravity pulling light together
• Nuclear fusion of hydrogen atoms
• Heat from spinning around space
• Electricity from charged magnets

Which TWO wars both ended when one side finally had full control?

• Punic Wars and Reconquista
• Hundred Years’ War and 335 Years’ War
• Mongol Invasions and Wars of the Roses
• Reconquista and Hundred Years’ War
• Punic Wars and Mongol Invasions

Why might rotary engines be chosen for small sports cars instead of trucks?

• They are better at carrying heavy loads
• They create less sound and more smoke
• They are lighter and give smoother rides
• They use less fuel on mountain roads
• They are always electric by design

What does the term “internal combustion engine” mean?

• A motor powered only by magnets
• A system where fuel burns outside
• A design that uses spinning fans for power
• A machine where fuel burns inside to move parts
• A quiet engine that uses frozen gas

Which calendar system could best be compared to a bicycle with gears?

• Gregorian calendar
• Julian calendar
• Mayan cyclical calendar
• Aztec leap-year calendar
• Saros eclipse calendar

What would MOST LIKELY happen if hydrocarbons disappeared suddenly?

• Most engines would stop working
• Cities would lose all internet
• People would stop drinking water
• Farms would stop growing food
• Boats would float faster

What could be a NEW way to tell stories using natural forces, like the firelight carvings?

• Singing songs with no rhythm or beat
• Drawing on leaves using only pencils
• Using strong wind to shape and shift sand art
• Showing movies during sunrise only
• Telling stories without any sounds or light

What layer of the Sun is responsible for sending out solar wind?

• Radiative zone
• Photosphere
• Convective zone
• Chromosphere
• Corona

What kind of motion does a Wankel rotary engine use instead of pistons?

• Side-to-side hammering
• Up-and-down bouncing
• Back-and-forth rolling
• Triangular spinning inside a circle
• Zigzag pressure from the engine belt

What part of the Punic Wars story might be exaggerated, according to historians?

• The use of elephants by soldiers
• The total destruction of Roman ships
• The burning of Rome’s government buildings
• The salting of Carthaginian land after defeat
• The escape of Carthaginian leaders on camels