Día y noche: la tierra y el sol

What is the true shape of the Earth as observed from space?

• Spherical

• Triangular

• Flat

• Cubical

Why does the Earth appear flat to us?

• Due to atmospheric conditions

• Because of optical illusions

• Due to its large size

• Because it is actually flat

What is the central point around which Earth and other planets revolve?

• Mars

• Jupiter

• The Sun

• The Moon

Despite being far away, what does the Sun provide to Earth?

• Neither heat nor light

• Only light

• Only heat

• Both heat and light

What type of energy from the Sun gives us daylight?

• Caloric energy

• Magnetic energy

• Nuclear energy

• Light energy