Planet Size Quiz

Which planet do you think is the largest? The smallest?

• Jupiter and Mercury

• Saturn and Mars

• Earth and Venus

• Neptune and Pluto

Why do you think Pluto was reclassified as a dwarf planet in 2006?

• It did not clear its orbit of other debris.

• It is too far from the Sun.

• It is too small.

• It has no atmosphere.

Which planet do you think has the second-most moons after Jupiter?

• Saturn

• Mars

• Earth

• Venus

How do you think life on Earth would be different if the Sun were larger or smaller?

• Life would be significantly different.

• Life would be somewhat different.

• Life would be the same.

• Life would be unrecognizable.

Refer to Figure 3: Layers of the Sun. Label the different layers of the Sun.

• Core, Radiative Zone, Convective Zone, Photosphere, Chromosphere, Corona

• Core, Radiative Zone, Convective Zone, Photosphere, Mesosphere, Corona

• Core, Radiative Zone, Convective Zone, Lithosphere, Chromosphere, Corona

• Core, Radiative Zone, Convective Zone, Photosphere, Chromosphere, Troposphere