2025 Final Review

Front

Which end of the water molecule has a slightly positive charge?

Back

The hydrogen end.

Front

What is the direction of movement for an object moving left?

Back

Left.

Front

A car moving at a speed of 63 mph for 3.5 hours will reach a distance of what?

Back

220.5 miles.

Front

Convert 450 kg to centigrams (cg).

Back

45,000,000 cg.

Front

What is the difference between speed and velocity?

Back

You have to include the direction with velocity.

Front

What is the definition of speed?

Back

Speed is the distance traveled per unit of time.

Front

What is the definition of velocity?

Back

Velocity is the speed of an object in a given direction.

Front

How do you calculate distance?

Back

Distance = Speed × Time.

Front

What unit is used to measure speed in the imperial system?

Back

Miles per hour (mph).

Front

What is the formula to convert kilograms to centigrams?

Back

1 kg = 100,000 cg.