Showing Results for chapter structure

Study structure of the lens found in the human eye and determine whether it is concave or convex. Prepare a ray diagram, formulate hypothesis.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

Show your middle schooler how a quick whirl of spinach in the blender will reveal the cobwebby "stuff"--or DNA--of life!

Want to give your teen some insight into the scientific method and get the house cleaned? This activity promises both!

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.

Study the physical and chemical changes that make hair curl or straighten. Study ingredients, function of chemicals like thioglycolic acid.