Does using oxygen to separate molten

copper sulphide into copper and sulphur dioxide count as a physical change

Explain what kind of heat transfer occurs when you burn yourself on a hot car seat in the summer.

In a pneumatic system, pressure is achieved with a force acting on both liquids and gases.

How do you think air resistance affects measured values of g? If you used a ping pong ball, for example, how would this affect the fall-time?

A car initially at rest accelerates in a straight line at 18 m/2^2. what will be its speed after 12 seconds?

Sallys physical education teacher timed her run and recorded the time and distance in the table below. What is her average speed? Time (s) : 1, 2, 3, 4, 5 Distance (m) : 2, 5, 7, 10, 12 A) 3 m/s B) 2.5 m/s C) 2 m/s D) 4 m/s

Which formula is used to calculate the mass of an object if the force and acceleration are known? a: m = Fa b: m = F/a c: m = a/F d: m = F - a

The circulatory system keeps the body and its tissues continuously oxygenated. It does this by having A) veins to carry both oxygenated blood to the tissues and deoxygenated blood to the lungs.

What is the "atomic mass" of an atom?

What type of energy comes from the food that we eat?

Which of the following are vector quantities? check all that apply. a. time b. displacement c. force d. mass