Demonstrates the difference between force and mass.
2 in stock
Can be used to demonstrate friction in combination with an incline plane.
Inexpensive, yet priceless for teaching potential!
Assemble your own DC motor and learn by doing!
Lets your students actually observe increases and decreases in a liquid's conductivity!
This new model comes with a sturdy cast metal base, testing spring, metal scale, four 20-gram weight...