There are chemicals inside the glow sticks. One of the chemicals is inside a glass tube. You bend the stick. The tube breaks. The chemicals mix together. A chemical reaction happens. It gives off light.
Photo Credit: McGraw Hill
In the Know
A Closer Look at Igloos
Inuit build igloos where there is a lot of snow. … read more
In the Know
Celebrating Hispanic Culture and Art
This painting covers a whole wall in Chicago. It is … read more
In the Know
Different Ways We Learn
We also learn by listening. We listen with our whole … read more