Unit 7: Astronomy

Where are Asteroids found in the Solar System?

• Between Earth and Mars
• In the Oort Cloud beyond Neptune
• In the Asteroid Belt between Mars and Jupiter
• Close to the Sun

What are comets made of?

• Metals like iron and nickel
• Gas
• Hydrogen Gas
• Ice and rock

Where do most comets come from?

• In the Oort Cloud beyond Neptune
• In the Asteroid Belt between Mars and Jupiter
• Near the Sun
• Earth's atmosphere

In the diagram, A and C refer to which part of a comet?

• Nucleus
• Tail
• Coma

D is pointing to which part of a comet?

• Coma
• Tail
• Nucleus

Most meteoroids floating around in the Solar System are how big?

• A grain of sand or small pebble
• Size of a car
• Size of a football field
• State of Arizona

Tags

NGSS.MS-ESS1-3

When a meteoroid begins to enter Earth's atmosphere it begins to burn up.  What force causes this?

• Gravity
• Friction
• EM Radiation

A comet's orbit is faster...

• when it is in the Oort Cloud
• when it is near the Sun
• when it is far from the sun

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

In the diagram, a comet's tail always points where?

• Towards the Sun
• Away from the Sun
• Towards Earth
• Away from Earth

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

The cloud of gas and dust around the solid icy ball of a comet is the...

• Nucleus
• Coma
• Tail