Solar System - 2nd grade

How many planets does the Solar System have?

• The Solar System has 9 planets.

• The Solar System has 8 planets.

• The Solar System has 7 planets.

• The Solar System has a lot of planets.

Tick the rocky planets.

• Mercury, Venus, Eath and Mars

• The inner planets

• Jupiter, Saturn, Uranus and Neptune

• Earth and Mars

• The outer planets

What is a star?

• A star is the center of the Universe.

• A star is an enormous ball of gas. It gives out light and heat.

• A star is a yellow ball. It gives light and heat.

• The Moon is a star.

The Earth spins. It moves around its own axis. That is called ....

• spinach

• rotation

• revolution

• round

The Earth moves around the Sun. That is called...

• spin

• rotation

• revolution

• round

Rotation produces (a)  

Revolution produces (a)  

How long does it take for the Earth to move around the Sun?

• It takes 1 year = 365 days to move around the Sun.

• It takes 1 day = 24 hours to move around the Sun.

• It takes 1 month = 30 days to move around the Sun.

• It takes 1 hour to move around the Sun.

How long does it take for the Earth to spin (to move around its own axis)?

• It takes 1 year = 365 days

• It takes 1 day = 24 hours

• It takes 1 month = 30 days

• It takes 1 hour

A planet is a celestial body that orbits around a (a)