What Is a Light-Year? Student Worksheet

Average distance from the 3 trials (22, 25 and 21.5) 2dp

Calculate the speed (average distance over time) of your travel by dividing the time (10 sec) into the distance traveled (D).

Average distance from 22, 25 and 21.5

Mathematical Equivalence

ON

Calculate the distance traveled in 1 min if you were to keep your speed the same (2.283m/sec) by multiplying your speed by the number of seconds in a minute (60 sec/min).

Mathematical Equivalence

ON

Calculate the distance traveled in 1 hr if you were to keep your speed the same by multiplying the distance traveled per minute (136.98) by the number of minutes in an hour (60 min/hour).

Mathematical Equivalence

ON

Calculate the distance traveled in 1 day if you were to keep your speed the same by multiplying the distance traveled per hour 8218.8 by the number of hours in a day (24 hr/day).

Mathematical Equivalence

OFF

Calculate the distance traveled in 1 yr if you were to keep your speed the same (197228.8m/day) by multiplying the distance traveled per day by the number of days in a year (365 days/yr).

Mathematical Equivalence

ON

Calculate how many kilometers you could travel in 1 yr if you were to keep your speed the same by dividing your distance traveled per year (719247120) by the number of meters in a kilometer (1,000 m/km).

Mathematical Equivalence

ON

What is the distance light travels in 1 sec in meters?

• 300,000,000 m

• 150,000,000 m

• 450,000,000 m

• 600,000,000 m

Calculate the distance light travels in 1 min in meters. (300,000,000 m/sec)

• 180,000,000,000m

• 18,000,000,000m

• 1800,000,000,000m

• 18,000,000,00m

The distance light travels in 1 hr in meters is (a)  

• 1,000,000,000 m
• 1,500,000,000 m
• 2,000,000,000 m
• 1,080,000,000,000m