
Lending Library Online Resources
Electricity and Circuits
This experiment shows that in setting up a circuit, we are able to convert electrical energy into kinetic energy. A circuit is a pathway of wires that allow electricity to flow. The flow of electricity is called the current. Current only flows when a circuit is...
Hydrogels in the Kitchen? Hydrogels in the Body?
Believe it or not, we use a lot of chemistry to make the food we love to eat. For example, polysaccharides are naturally occurring polymers found in algae, bacteria, citrus fruits, and other plants and animals. Polysaccharides are used in foods to help change or...
What To Do With Dirty Water?
Water is important for all life forms on planet Earth. Water is in our bodies, and is used in every part of our lives. But water can also contain contaminants that make it non-potable, not healthy for us to drink. Contaminants can be: Physical: particles of soil or...