SOLAR SYSTEM

If a meteoroid hits Earth's surface, it is called a ________.

• meteor
• meteorite
• comet
• asteroid

The closest four planets are called the ________ planets.

• inner

• outer

Jupiter, Saturn, Uranus, and Neptune are know as ________ planets.

• rocky

• gaseous

The center of the sun is called the ______

• convective zone
• radiative zone
• the core
• chromosphere

Huge loops of plasma that are polarized is called?

• Flares

• Corona

• Prominences

an object that orbit the sun and has enough gravity to be spherical, but it has not cleared the area of its orbit

• dwarf planets

• comets

• asteroid belt

Which letter in this diagram shows our modern solar system with planets orbiting around the sun?

• a

• b

• c

• d

• e

Which letter in this diagram shows the nebula that was left over after an ancient star exploded?

• a

• b

• c

• d

• e

What is the word for a cloud of dust and gas in space?

• solar system

• nebula

• galaxy

• black hole

What word can we use to describe planets that are in the process of forming through accretion?

• planetesimals

• dwarf planets

• asteroids

• meteors