3rd Grade Science: Investigating the Solar System

Earth’s Moon is the only natural satellite and Earth’s nearest neighbor in space.

The four planets closest to the Sun (Mercury, Venus, Earth, and Mars) are called:

__ is the path that one object in space takes around another object in space

The Sun is a star composed of gases; provides Earth with most of its light and heat energy

__ can be a picture, idea, or object that represents an object, a system, or process. _(s) have limitations.

The asteroid belt separates the inner planets from the outer planets.

The closest planet to the sun is Mars.

__ is one complete circle made by a planet or satellite around another object