The solar system

What keeps the planets in orbit around our Sun?

• Friction

• Air resistance

• Gravity

• Magnetic force

How long does it take for light to travel from The Sun to The Earth?

• One year

• 8 minutes 19 seconds

• 28 days

• 24 hours

What do stars release lots of?

• Water vapour

• Energy

• Dust

• Bacteria

What unit of measurement do scientists use to measure the distance to stars?

• Light years

• Kilometres

• Speed of light

• Metres

What galaxy do we live in?

• Andromeda

• Milky way

• Canis major dwarf galaxy

• The solar system

Where is the furthest that humans have travelled to?

• The Sun

• Mars

• The edge of the solar system

• the Moon

A year on mercury is________ ________a year on Neptune.

• shorter than

• longer than

• the same as

Which planet is the 4th in order from the Sun?

• Saturn

• Mars

• Venus

• Earth

Which word best describes the Sun?

• A galaxy

• A moon

• A star

• A planet.

Starting with the Earth at position 2 in the cycle, where will the Earth be in 6 months time?

• Position 4

• Position 2

• Position 3

• Position 1