Magnets and Compasses
An informative tutorial that explains what magnets are and how there are used to make a compass.
Stuck on Junk
The crane can only pick up magnetic things, help the driver select what junk is magnetic.
Investigate how the shape of objects as well as its density will determine if the object floats or sinks.
Changing Shapes of Materials
Children learn about forces that change the shape of objects and identify which forces are at work in a given instance.