LTS Physics

What are the oldest types of successful human flight technology known as?

• Heavier Than Air (HTA) vehicles

• Lighter Than Air (LTA) vehicles

• Jet engines

• Rocket ships

Aarav and Oliver are discussing different types of vehicles. Aarav asks, "Which of the following is NOT an example of a Lighter Than Air vehicle?"

• Hot air balloons

• Blimps

• Zeppelins

• Helicopters

What is the main function of the envelope in a hot air balloon?

• To hold passengers

• To provide heat

• To contain the heated air

• To steer the balloon

What is the purpose of the parachute valve in a hot air balloon?

• To increase the air temperature

• To let some hot air out

• To add more fuel

• To inflate the balloon

What causes a hot air balloon to float?

• The weight of the basket

• The density of the air inside the envelope

• The strength of the panels

• The size of the burners

Who were the creators of the first crewed hot air balloon flight?

• Wright Brothers

• Joseph and Jacques Montgolfier

• Leonardo da Vinci and Galileo Galilei

• Orville and Wilbur Wright

What was the name of the first hot air balloon to fly around the world non-stop in 1999?

• Montgolfier 1

• Solar Impulse

• Breitling Orbiter 3

• Rozière Balloon

What type of balloon is the Breitling Orbiter 3?

• Hot air balloon

• Rozière balloon

• Helium balloon

• Hydrogen balloon

What gas was first used in airships?

• Helium

• Oxygen

• Hydrogen

• Nitrogen

What is the main component of our Sun?

• Helium

• Oxygen

• Hydrogen

• Carbon