Sara and Beca learn about constructing a half-life graph with the help of both Ada the science app and an early version of Ada. After finding an old phone in her home, Sara shows Beca how the old ...

Segment 7D: Half-Life We explain half-life qualitatively, mathematically, and graphically ...

For National 4 Physics describe and examine the motion of a moving object, calculating acceleration, distance and average speed.