Sun, Earth, Moon

Match it! Select the correct answer from the pull down...Good luck!

This layer of the Earth is made up of solid Nickel and Iron.

Which of the following has the most gravity?

This is the outermost layer of the sun

Life exists on which of the following planets.

This layer is made up of liquid rocks and magma.

Which of these following has the least gravity?

This layer helps protect the Earth.

Which of these does not have a core?