The ____________ theory suggests that the solar system formed from a rotating disk of dust and gas.

A ___________ is a natural satellite that orbits a planet.

The life cycle of a star begins with a cloud of gas and dust known as a ______.

A ____________ is a small rocky body that orbits the sun, mainly found between Mars and Jupiter.

___________ is the force that keeps planets in orbit around the sun.

The __________ is the region of space where comets originate, beyond Neptune.

____________ are small bodies of rock and metal that enter Earth's atmosphere and burn up.

The ________ model places the Sun at the center of the universe.

______________ is a star system containing billions of stars, including our solar system.

The transformation of a star into a supernova results in a _________ or a black hole.

Which of the following is NOT a theory about the formation of the solar system?

What determines the life expectancy of a star?

Which object is considered a dwarf planet?

What is the main difference between a star and a planet?

Which of the following objects is primarily composed of ice and dust?

The main difference between a comet and an asteroid is that: comets are made of dust and ice, and asteroids are made of minerals/rock or metals.

The life of a star begins as a nebula and ends a protostar. 

Pair the example to the correct newton's law of motion. 

How has our model of the universe changed over time? (at least 1-2 sentences)

How do satellites differ from moons? (At least 1-2 sentences)

What are the key differences between terrestrial and gas giant planets? (at least two sentences)

Why do different stars have different life expectancies? (at least 1-2 sentences)

What evidence supports the nebular hypothesis of solar system formation? (at least 1-2 sentences)