Solar System & Beyond Test

Which model was developed first and determined that Earth is the center of our solar system?

• geocentric model

• heliocentric model

• big bang theory

Which model was developed after technology improved and shows the Sun as the center of the solar system?

• geocentric model
• heliocentric model
• big bang theory

The current model of the solar system demonstrates the shape of the orbits as _____________.

• perfect circles
• ellipses (ovals)
• irregular or unusual

Why do the planets orbit the Sun?

• The Sun is the only celestial body that has a gravitational pull.
• The Sun's chemical composition makes it attract the planets.
• The Sun is the only celestial body that emits light.
• The Sun has the most mass in our Solar System, so it has the greatest gravitational pull.

Which two factors influence the gravitational force between two objects? CHOOSE 2!

• mass

• matter

• weight

• distance

Why would a person weigh less on the Moon than on Earth?

• The Moon has less mass.
• The Moon has more mass.
• The Moon and Earth have the same amount of mass.
• Gravity has no influence on weight.

Which of the following is made of dust, ice, and gas?

• comet

• meteor

• asteroid

• planet

Which celestial body is commonly found in the Asteroid Belt between Jupiter and Mars?

• Comets
• Asteroids
• Meteoroids

Which TWO celestial bodies are commonly found in the Kuiper Belt (past Neptune) and the Oort Cloud (edge of the Solar System)? CHOOSE TWO ANSWERS

• comet

• asteroid

• meteoroid

Which statement best describes an asteroid?

• It is made of ice and dust
• It is also known as a shooting star
• It is sometimes known as a "dirty snowball"
• It is a large chunk of rock and metal, some are larger than a moon