Earth Science SOL Unit 2.3 - Space Technology

Match the following space technology with their applications.

• SCaN

• Used as a navigation system for India, offering an alternative to global navigation systems

• Galileo Spacecraft

• • The program office for all of NASA’s space communications operations

• NaVIC

• • Used on a NASA mission to study Jupiter and its moons

• GLONASS

• A US owned space-based radio navigation system for worldwide three-dimensional position and navigation information

• GPS

• A global navigation satellite system providing positioning, navigation, and timing services

Answer explanation

Refer the notes.

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What is the impact of space technology on future exploration?

• It hinders exploration.

• It has no impact.

• It paves the way for space tourism and exploration.

• It only affects agriculture.

Answer explanation

Space technology significantly enhances future exploration by enabling advanced spacecraft, improving safety, and facilitating space tourism, which opens new avenues for research and commercial opportunities beyond Earth.

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Satellite television is used to​ (a)   television​ (b)   across a​ (c)   distance.

• transmit

• signals

• vast

• short

• block

Answer explanation

Satellite television is used to transmit signals across a vast distance, allowing viewers to access channels from far away. The correct choices 'transmit', 'signals', and 'vast' accurately complete the statement.

What is the role of Resource Management in satellite technology?

• To monitor space weather

• To support sustainable management of natural resources

• To provide entertainment services

• To enhance military communication

Answer explanation

Resource Management in satellite technology plays a crucial role in supporting sustainable management of natural resources by providing data for monitoring and optimizing resource use on Earth.

What is the primary use of Military and National Security Satellites?

• Weather prediction

• Surveillance and intelligence gathering

• Space exploration

• Agricultural monitoring

Answer explanation

Military and National Security Satellites are primarily used for surveillance and intelligence gathering, enabling nations to monitor activities, assess threats, and gather critical information for defense purposes.

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What does space exploration enable the study of?

Select TWO answers.

• Ocean Currents

• The Universe

• Planets

• Historical Artifacts

Answer explanation

Space exploration allows us to study 'The Universe' and 'Planets' by providing data and insights about celestial bodies and cosmic phenomena, enhancing our understanding of their formation, composition, and behavior.

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How does agriculture benefit from satellite technology? Select TWO answers.

• Providing agricultural funding

• Assessing crop yields

• Producing genetically modified crops

• Identifying threats to crops

Answer explanation

Satellite technology aids agriculture by assessing crop yields, allowing farmers to measure productivity accurately. It also helps in identifying threats to crops, such as pests or diseases, enabling timely interventions.

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How can space technology improve global health outcomes? Select TWO answers.

• Telemedicine

• Disease tracking

• Enhancing military operations

• Providing hospital entertainment

Answer explanation

Space technology enhances global health through telemedicine, enabling remote consultations, and disease tracking, which utilizes satellite data to monitor outbreaks and manage public health responses effectively.

An instrument that travels into the solar system, gathers information, and sends it back to Earth is called a __.

• Space Shuttle

• Rocket

• Spaceship

• Space Probe

Answer explanation

A space probe is an unmanned spacecraft designed to travel beyond Earth, gather data about celestial bodies, and transmit that information back to Earth. This distinguishes it from other options like space shuttles and rockets.

Radios are not required for astronauts to talk to each other when they are in the same room inside the space station because the space station is filled with​ (a)   thats carries​ (b)   waves.

• air

• sound

• water

• electromagnetic

Answer explanation

Radios are not needed because astronauts can communicate through sound, which travels through the air inside the space station. Air carries sound waves, allowing for direct verbal communication.

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