Science Labs

It's been a long time since I have been in 7th grade Science, let alone interpret for it.  A lot of finger spelling going on here.  But the labs are very interesting and getting to apply what is being taught helps with the understanding of it all.  We are working on speed ,time and distance.  Fun, fun fun!
X(f)-X(i)= d    d/t = v

 Finding the average of time

Things needed (car, timer, meter stick)