A "shooting star" is really a tiny bit of interplanetary debris heated to ___

• fluorescence
• phosphorescence
• incandescence
• chemiluminescence

Tags

NGSS.MS-PS1-4

Before it becomes a "shooting star", the actual bit of solid stuff coming from space is called ___

• a meteoroid
• a meteor
• a meteorite
• an asteroid

The phenomenon of a meteoroid getting hot and blazing across the sky is called ___

• a comet
• a meteor
• a meteorite
• an asteroid

Tags

NGSS.MS-PS3-1

If a meteor hits the ground, we call it ___

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

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

• 70 kilometers per hour
• 700 kilometers per hour
• 70 kilometers per second
• 700 kilometers per second

Tags

NGSS.MS-PS2-1

NGSS.MS-PS3-1

The energy of motion is called ___

• elastic energy
• kinetic energy
• kathartic energy
• kickback energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

If you double an objects speed, it will have ___

• half the kinetic energy
• twice the kinetic energy
• four times the kinetic energy
• 16 times the kinetic energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

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

Tags

NGSS.MS-PS3-5

The material on the surface of a meteor vaporizes and blows away during a process called ___

• sublimation
• condensation
• ablation
• abstraction

Tags

NGSS.MS-PS1-4

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