Space Exploration Technologies
Physics ⇒ Earth and Space Physics
Space Exploration Technologies starts at 8 and continues till grade 12.
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See sample questions for grade 11
Describe one reason why vacuum conditions in space are both an advantage and a challenge for spacecraft design.
Describe the function of reaction control thrusters on a spacecraft.
Describe the main difference between a geostationary satellite and a polar orbiting satellite.
Explain the importance of redundancy in spacecraft systems.
Explain the purpose of a heat shield on a spacecraft during re-entry into Earth's atmosphere.
Explain the role of telemetry in space missions.
Explain why communication with spacecraft becomes more challenging as the distance from Earth increases.
Explain why multi-stage rockets are used for launching spacecraft into orbit.
Which law of physics primarily explains the motion of rockets in space?
(1) Newton's First Law
(2) Newton's Second Law
(3) Newton's Third Law
(4) Law of Universal Gravitation
Which of the following best describes the function of a gyroscope in a spacecraft?
(1) To generate electricity
(2) To provide propulsion
(3) To maintain orientation
(4) To store data
Which of the following is a key component of a satellite's power system?
(1) Solar panels
(2) Parachutes
(3) Propellers
(4) Balloons
Which of the following is a major challenge for human space exploration beyond Earth's orbit?
(1) Lack of gravity
(2) Cosmic radiation
(3) Abundant oxygen
(4) High atmospheric pressure
A satellite in low Earth orbit completes one revolution around Earth in approximately ________ minutes.
The escape velocity from Earth is approximately ________ km/s.
The Hubble Space Telescope is located above Earth's atmosphere to avoid ________ that can distort images.
The main reason for using vacuum insulation in spacecraft is to prevent ________ transfer.
True or False: Ion propulsion systems are more fuel-efficient than traditional chemical rockets.
True or False: Satellites in geostationary orbit appear to move across the sky when observed from the ground.
True or False: The International Space Station (ISS) orbits the Earth in the thermosphere.
True or False: The main advantage of reusable rockets is the reduction of launch costs.
