The name given to the four inner planets: Mercury, Venus, Earth, and Mars

A gas that is brought into the body by the respiratory system.

Energy of motion

Moon phase that occurs when the Moon is between Earth and the Sun, at which point the Moon cannot be seen because its lighted half is facing the Sun and its dark side faces Earth.

The amount of space something takes up

Animal hunted or caught for food

One-half of the Moon appears to be illuminated by direct sunlight. The fraction of the Moon's disk that is illuminated is increasing.

7th planet from Sun; is large & gaseous, has a distinct bluish-green color, & rotates on an axis nearly parallel to the plane of its orbit

Energy stored in the nucleus of an atom

8th from the sun, no atmosphere, furthest out, high methane content, has the great dark spot

Energy caused by the movement of electrons.

Heat energy