We had fresh water and salt water and put marbles in each cup to see if they floated. In the salt water, the marbles sank. In the fresh water, the marbles floated. We love science. Bears are afraid of people.
Some bears have bluish fur.
There are 8 species of bears. Polar bears have see through fur. The spectacled bear is shy. Panda bears can live for 20 years. Female bears can be heavier than male bears.