Planets
Moon Phases
Space Vocabulary
Planets
Space Vocabulary
100

This planet is known as the "Red Planet."

What is Mars?

100

The phase of the moon when it is fully illuminated.

What is a Full Moon?

100

A large, spherical body that orbits a star.

What is a planet?

100

This planet has two moons named Phobos and Deimos.

What is Mars?

100

A natural satellite that orbits a planet.

What is a moon?

200

The planet that is closest to the Sun.

What is Mercury?

200

The phase when the moon appears to be half-illuminated, with the right side lit up.

What is the First Quarter?

200

This is the term for a group of stars that form a pattern.

What is a constellation?

200

The planet that is known for its beautiful rings.

: What is Saturn?

200

A bright streak of light caused by a meteoroid burning up in Earth's atmosphere

What is a shooting star?

300

The largest planet in our solar system.

What is Jupiter?

300

The phase where the moon is barely visible and the crescent is on the right side.

What is a Waxing Crescent?

300

The invisible force that attracts objects toward each other, responsible for keeping planets in orbit.

What is gravity?

300

This planet has a giant storm called the "Great Red Spot."

What is Jupiter?

300

The region beyond Neptune filled with icy bodies, including Pluto.

What is the Kuiper Belt?

400

The only planet in our solar system that rotates on its side.

What is Uranus?

400

The phase that follows the new moon when the illuminated part of the moon starts to increase.

What is the Waxing Crescent?

400

The term for the path that a planet or moon follows around a star or planet.

What is an orbit?

400

The planet known as Earth's "twin" due to its similar size and structure.

What is Venus?

400

A chunk of rock or metal that enters Earth's atmosphere and burns up.

What is a meteor?

500

This planet has the longest day of any planet in our solar system.

What is Venus?

500

The time it takes for the moon to complete one full cycle of phases.

What is 29.5 days?

500

The collection of gas, dust, and stars that makes up our solar system.

What is the Milky Way?

500

This dwarf planet was once considered the ninth planet in our solar system.

What is Pluto?

500

A large ball of gas that produces light and heat, like our Sun.

What is a star?