Gravity & Scale

On the model, the distance between two stars is 3 inches. One inch represents 2 light years. What is the actual distance between the stars?

• 2 light years

• 4 light years

• 6 light years

• 3 light years

This model accurately shows the distance between the planets.

• True

• False

This model accurately shows the sizes of the planets and sun.

• True

• False

This model accurately shows the sizes of the planets.

• True

• False

The sizes and distances of the planets are both to scale in this model.

• True

• False

Which shows the correct order from small to large?

• planet, star, moon, galaxy

• star, moon, galaxy, planet

• moon, star, planet, galaxy

• moon, planet, star, galaxy

What is the distance from the Sun to Earth?

• 1 light year

• 150,000,000 km (1AU)

• 13,000 km

• 100 light years

What is an AU?

• The distance from the sun to Jupiter

• The distance from the sun to Earth

• The distance from the sun to Pluto

• 13,000 km

Which is bigger?

• Distance from Sun to Earth

• Diameter of Sun

• Diameter of Earth

• Diameter of Jupiter

Objects with more mass have...

• stronger gravity

• weaker gravity

• the same gravitational pull as smaller objects