Meteors

Another name for a "shooting star", the actual bit of solid stuff coming from space is called ___

• a meteoroid

• a meteor

• a meteorite

• an asteroid

If a meteor hits the ground, we call it ___

• a meteoroid
• a fallen star
• a meteorite
• an asteroid

For a typical meteor that you'll see, what is the size of the meteoroid?

• smaller than a grain of sand

• about the size of a house

• about the size of a city

• about the size of a state

When a meteoroid enters our atmosphere, it can be moving at speeds up to __

• 150,000 mph

• 1500 mph

• 200mph

• 20 mph

Meteors get hot due to friction with air, but a far bigger contributor to their heat is ___

• thermal expansion of material
• expansion of air
• compression of air
• ablation

When you add up all the meteors, Earth is getting pelted with about __

•  a ton of material a day
•  a hundred tons of material a day
• a ton of material a year
•  a hundred tons of material a year

Meteor showers, many dozens or even hundreds of meteors per hour, come from ___

• asteroids
• comets
• asteroid collisions
• planet collisions

Generally, when is the best time to watch a meteor shower?

• just before sunrise
• just after sunset
• after local midnight
• during astronomical twilight

The majority of meteorites we find are mostly rock, and are classified as ___

• stony
• stony iron
• composite
• rocky iron

On February 15th, 2013, which city was hit with a shock wave from an exploding meteor?

• Chelyabinsk, Russia
• Naples, Italy
• Shenzhen, China
• Luhansk, Ukraine