book 3 mini quiz

What helps power most vehicles we see on the road today?

• Engines using wind from moving air
• Systems that collect energy from sunlight
• Motors that rely only on water pressure
• Engines that burn fuel inside themselves
• Machines powered by spinning magnets

What caused the cities of Pompeii and Herculaneum to be buried long ago?

• A huge wave from the ocean
• A massive snowstorm from the mountains
• A large eruption from a volcano
• A heavy windstorm from the desert
• A strong earthquake under the land

What main process gives the Sun its light and heat?

• Explosions caused by electric storms
• Atoms joining to release energy
• Gas burning through oxygen
• Heavy rocks crashing inside it
• Heat rising from the surface

Who would MOST likely come up with an engine that spins a triangle instead of pistons?

• A designer looking for a fun shape
• A car fan who collects models
• A scientist named for the engine
• A student learning how wheels work
• A builder testing toy motors

What might MOST likely happen to Earth if the Sun grows into a red giant?

• The oceans might disappear from heat
• The sky might stay dark all year
• The Moon might spin faster than before
• The clouds might freeze over the cities
• The stars might fall closer to Earth

Which image BEST matches how pistons move inside a car engine?

• A spinning top going in circles
• A hammer going up and down
• A wheel rolling over gravel
• A string pulled from both sides
• A balloon blowing gently in wind

If a rotary engine is like a merry-go-round, what is a piston engine MOST like?

• A light blinking in a tunnel
• A box slowly turning itself
• A paddle moving up and down
• A tunnel with no exit sign
• A swing going side to side

Which two engine types BOTH burn fuel, but do it in different ways?

• Diesel engine and fuel cell
• Gas turbine and Otto engine
• Continuous combustion and gas turbine
• Electric motor and piston engine
• Hydrogen engine and solar panel

What are hydrocarbons mainly used for in a traditional engine?

• To clean air before it enters
• To light up dashboard controls
• To power movement when burned
• To make the engine sound softer
• To stop heat from escaping

Why are continuous combustion engines NOT often used in everyday cars?

• They need less power than cars use
• They cannot burn gasoline safely
• They use more fuel and are complex
• They only work with rocket boosters
• They are silent and hard to notice