The Milky Way galaxy is approximately 100,000 light-years across while the solar system is 1.9 light-years across. What is the scale ratio of the size
of the solar system to the galaxy?

a.1:50,000
b.1:100,000
c50,000:2

Aperson travels 35 km in 0.4hrs, followed by 53 km in 0.6 hr. what is the average speed

Darrel conducted an experiment with the following procedure: fill two cups with ice water. place an uninflated balloon snuggly onto your left index finger. blow a little air into an identical balloon, and place it onto your right index finger. place both fingers into the cups of ice water. darrel noticed that his right finger felt warmer in the ice water than did his left finger. which of the following does the experiment show? a. air is a good radiator of heat. b. air is a good insulator of heat. c. air is a good conductor of heat. d. air is a good convector of heat.

What’s the student’s scientific question