Gr. 6 - Space Exploration

What has driven humanity’s long-standing fascination with space?

• Desire for power

• Curiosity to understand the universe and our place in it

• Competition between nations

• Financial profit

What is the main purpose of an optical telescope?

• To collect visible light and observe celestial objects

• To detect radio waves

• To photograph Earth’s surface

• To measure atmospheric pressure

What do radio telescopes study?

• Radio waves from objects like pulsars and quasars

• Only planets within our solar system

• Visible starlight

• The movement of satellites

Why are space telescopes placed outside Earth’s atmosphere?

• To avoid light pollution from cities

• To protect them from weather damage

• To stay closer to the stars

• To gather data free from atmospheric distortion

What makes the James Webb Space Telescope special compared to Hubble?

• It takes faster photographs

• It can observe older and more distant objects

• It operates only during daylight

• It uses optical lenses only

What event marked the start of the satellite era?

• The launch of Sputnik by the Soviet Union in 1957

• The launch of Hubble

• The Apollo 11 mission

• The invention of GPS

Which of the following is not a function of satellites?

• Communication

• Weather forecasting

• Mining precious metals

• Navigation

What do navigation satellites like those in GPS provide?

• Weather updates

• Internet connections

• Precise location data

• Television signals

What is the main purpose of weather satellites?

• To record television broadcasts

• To monitor atmospheric conditions and predict weather

• To locate natural gas deposits

• To detect UFO activity

What have satellites like Chandra and Kepler helped scientists understand?

• Submarine cables

• Earth’s oceans

• Fossil records

• Stars, galaxies, and exoplanets