Solar System Unit 1 Test (Utah)

The ___________ is the central star of our solar system and provides light and heat to the planets.

The four inner planets, also known as _____________ planets, are mercury, Venus, Earth, and Mars.

The _______ is the natural satellite of Earth and goes through different phases each month.

A solar _______ occurs when the Moon passes directly between the Earth and the Sun.

A _______ eclipse happens when the Earth is directly between the Sun and the Moon, casting a shadow on the Moon.

The tilt of the Earth on its axis is responsible for the _______ changes we experience throughout the year.

The force of _______ is responsible for keeping the planets in orbit around the Sun.

Inertia works with gravity to keep objects in _______ around larger bodies, such as the Sun.

The _______ unit is the average distance from the Earth to the Sun, approximately 93 million miles. The scientists created this unit of measure.

The eight planets in our solar system can be divided into two categories: terrestrial and _______ planets.