Hydrogel particles were made into absorbent composite beads and the results showed ‘significant potential’, team says.

Wax is made of carbon and hydrogen atoms bonded together in long chains. The chains are tangled, intertwined, and packed together to make the wax. Water molecules are packed more closely together than ...

1. Ask the adult you are working with to light the candle. 2. Watch the candle flame start out small and get bigger. Notice how some of the wax near the wick melts. 3. As the flame burns, the wax from ...