WONDER #1992: Why Are All Planets Spheres?

Question 1 of 3

All of the planets in the solar system are shaped like what?

1. cubes
2. pyramids
3. triangles
4. spheres

Question 2 of 3

Which force is responsible for the spherical shape of the planets?

1. gravity
2. magnetic
3. spin
4. momentum

Question 3 of 3

Planets bulge out around the equator because they do what?

1. explode
2. spin
3. stop
4. jump

Check your answers online at https://wonderopolis.org/index.php/wonder/Why-Are-All-Planets-Spheres.