T4 Science - The Solar System

How many planets are in our solar system (not including dwarf planets)?

• 6

• 7

• 8

• 9

What unit of measurement is traditionally used to measure the distance of planets and objects from the Sun?

• astronomical units

• kilometres

• miles

• light years

How many astronomical units (AU) is Earth from the Sun?

• 0.5

• 1

• 10

• 100

What is a comet made of?

• rock

• ice

• metal

• ice and dust

The Sun is considered a what-sized star?

• small

• medium

• large

• giant

True or false: The Sun is at the centre of our solar system.

• True

• False

How long does the energy from the Sun take to travel to Earth?

• 5 minutes

• 8 minutes

• 30 minutes

• 1 hour

The Sun is mostly made of what type of gases?

• hydrogen and oxygen

• oxygen and nitrogen

• hydrogen and helium

• nitrogen and helium

Which of the following is NOT a rule for a planet to be classified as a planet?

• A planet orbits around a star.

• A planet has sufficient mass (size) to make it spherical (round shape).

• A planet must not be located in the path of other space objects (e.g., an asteroid or comet).

• A planet needs to clear its orbit and is the largest object in its path.

What is the order of the planets in the solar system (starting from nearest to the Sun)?

• 1) Mercury; 2) Venus; 3) Mars; 4) Earth; 5) Jupiter; 6) Saturn; 7) Uranus; 8) Neptune

• 1) Mars; 2) Venus; 3) Earth; 4) Mercury; 5) Jupiter; 6) Saturn; 7) Neptune; 8) Uranus

• 1) Mercury; 2) Venus; 3) Earth; 4) Mars; 5) Saturn; 6) Jupiter; 7) Uranus; 8) Neptune

• 1) Mercury; 2) Venus; 3) Earth; 4) Mars; 5) Jupiter; 6) Saturn; 7) Uranus; 8) Neptune