Unknown Space Objects

What do we call rocky or metallic objects that orbit the Sun?

• Asteroids

• Comets

• Moons

• Planets

When a ______ gets close to the Sun, its frozen material begins to melt and forms a trail of dust, rock and gas behind it.

• comet

• meteoroid

• meteor

• star

What is the best mixture of gases, ice, dust, rock that orbits the sun?

• Comet

• Asteroid

• Meteor

• Moon

A meteoroid is...

• A small rocky or metallic object that orbits the Sun

• A meteoroid that enters the Earth's atmosphere(Shooting Stars)

• A meteor that strikes Earth's surface

What is the difference between an asteroid and a comet?

• An asteroid contain mostly rock and metal. A comet is mostly rock, ice and dust

• An asteroid is made of rock,ice and dust. A comet is made of rock and metal.

• An asteroid orbits the sun and comets orbits the moon

What are the small, icy bodies that originate from the Kuiper Belt and Oort Cloud and become visible when they approach the Sun?

• Asteroids

• Comets

• Meteoroids

• Planets

Which of the following is a characteristic feature of a comet when it is near the Sun?

• A solid core

• A visible tail

• A rocky surface

• A magnetic field

What is the primary difference between a meteoroid and a meteor?

• A meteoroid is larger than a meteor

• A meteoroid is in space, a meteor enters Earth's atmosphere

• A meteor is made of ice, a meteoroid is made of rock

• A meteor orbits the Sun, a meteoroid orbits the Earth

Which space object is known for having a highly elliptical orbit and can take hundreds of years to complete one orbit around the Sun?

• Asteroid

• Comet

• Meteor

• Planet

Tags

NGSS.MS-ESS1-2

What is the term for the bright streak of light produced when a meteoroid enters the Earth's atmosphere?

• Asteroid

• Comet

• Meteor

• Meteorite