What type of heat transfer do you see here?

What would most likely happen if there were a decrease in the bluebird population?

Air molecules ______________ in cold weather?

Sam and Lilly made two balloon cars. Sam's balloon has a mass of 15 grams, and Lilly's car has a mass of 50 grams. If both cars are launched with the same force on a flat surface, which car will travel faster and farther?

What is the formula for speed?

Elizabeth drove from Charlotte to Birmingham, Alabama in 8 hours. The distance of the trip was 400 miles. What was her speed?

My balloon car traveled 6 feet in 3 seconds. How fast did my car travel?

Shika ran 25 miles in 5 hours. What was her speed?