Forces, energy and sound you can see
Sound needs something to travel through
A shake handed from one bit of stuff to the next, what happens where there is no next bit, and how fast it goes.
About 50 minutes10 activities Paper packet
Forces, energy and sound you can see
A shake handed from one bit of stuff to the next, what happens where there is no next bit, and how fast it goes.
About 50 minutes10 activities Paper packet