Students learn about why different objects sink or float. Students learn about why different objects sink or float. Children will be encouraged to do an experiment at their home to test which objects ...

Build literacy skills while making predictions with this sink-or-float activity. It's fun to learn about new concepts in a hands-on way. This family does just that with a sink-or-float activity you ...

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment.View full profile Rachael has a degree in Zoology ...