How fast is Light speed

SPEED OF LIGHT

Quiz
•
Chemistry
•
3rd Grade
•
Hard
Chris Padilla
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
about 2,000,000 km/h
exactly 299,792,458 m/sec
teleportation
exactly 298,450,378 h/sec
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
The distance light can travel in one year is ______________
15,000 kilometers
1 light-year
15 Astronomical Units
6,000 miles
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Scientists use the light-year to describe the relationships between objects in space. What does a light-year measure?
the distance that light can travel in one year
the brightness of light that travels through space
the number of years it takes light to travel to Earth
the time it takes light to travel 1 million km
4.
MULTIPLE CHOICE QUESTION
10 sec • 5 pts
Proxima Centauri is ______ light years away.
6.8
2.5
4.3
5.4
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
The moon is a ______ a light year
closer than
farther than
exactly
not aplicable
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
If a satellite is 600,000,000 meters from the earth how long would it take a signal traveling at the speed of light to reach earth?
1 sec
0.5 sec
2 sec
more than 3 sec
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Radiation from the Sun is traveling to earth at the speed of light if the sun is 150,000,000,000 meters away how long would it take to reach the earth?
500 sec
100 sec
50 sec
less than 5 sec
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