Sun, Earth and Moon

Which of the following lists the Earth, Sun, and Moon in order of size, from largest to smallest?

• Earth, Sun, Moon

• Sun, Earth, Moon

• Earth, Moon, Sun

• Sun, Moon, Earth

Students are using balls to show size relationships between the Earth, Moon, and the Sun. They used a basketball to represent the Sun and a tennis ball to represent the Earth. What would best represent the Moon in their model?

• Ping-pong ball

• Baseball ball

• Basketball ball

• Football ball

The Earth is _________ because in 1577 Francis Drake successfully traveled around the world without falling off.

Why do the Sun and Moon seem like the same size?

• Because they are actually the same size.

• It's because although the sun’s diameter is about 400 times larger than that of the moon – the sun is also about 400 times farther away.

• Because we look at them from the center of Earth.

• Because we look at them from different angles.

Aristotle believed that the Earth was a sphere based on his observations of ships with tall masts moving across the horizon. What was his finding?

• When the ships sailed over the horizon the bottom part of the ship, the hull, disappeared from view.

• Everyone saw different constellations depending on where they were.

• The ships suddenly disappear over the horizon as reach the edge of the world and fall down.

• The sailors have merely travelled around the continents.

If the Earth were flat, then everyone would see the same constellations (group of stars) wherever they were. However, travellers and sailors observed that in fact they saw different constellations depending on where they were. It shows that the Earth is a sphere.

• True

• False

Which of the following is real?

• 
• 
• 
• 

The two objects are representing what in the solar system?

• Sun is the basketball.  Earth is the pea.

• Earth is the basketball.  Moon is the pea.

• Sun is the basketball.  Jupiter is the pea.

This shows ...

• Size difference between the planets and sun accurately

• Distance between the planets and sun accurately

• All choices

The Sun is how many times bigger than the Earth?

• 200

• 300

• 150

• 100