Our Solar System - What Do We Know?

Which is the largest object in our solar system?

• Sun

• Earth

• Jupiter

• Pluto

How many days does it take the Earth to revolve around the Sun?

• 30 days

• 100 days

• 365 days

• 40 days

Why does the sun seem to change position in the sky?

• Earth's rotation

• The Sun's rotation

• Earth's orbit

• The Sun's orbit

Where do most astronauts conduct their experiments?

• In a space station

• In a space capsule

• In outer space

• In a rocket ship

Which list shows the correct order of planets from the sun?

• Mars, Venus, Earth, Saturn

• Mercury, Venus, Earth, Mars

• Earth, Mars, Venus, Jupiter

• Uranus, Jupiter, Neptune, Saturn

Identify features of Earth. Which three answers are correct?

• Earth is made of 75% water

• Earth is a gaseous planet

• Earth is the third

• Earth has life form

Which planet in our solar system is closest to the Sun?

• Earth

• Mercury

• Jupiter

• Saturn

Do planet year lengths get longer or shorter the further away from the sun that they are?

• Longer

• Shorter

Which of the following are common items used in daily life that were originally created as space technology? Choose all that apply.

• ‘Space blankets’ found in first aid kits

• Scratch resistant sunglasses lenses

• Memory foam used to make beds and pillows more comfortable

• Air purifiers used to clean indoor air

• Wireless headsets/headphones

What four planets are gas planets?

• Mercury, Venus, Earth, Mars

• Neptune, Uranus, Earth, Jupiter

• Mercury, Venus, Jupiter, Saturn

• Jupiter, Saturn, Uranus, Neptune