How much is one-half of something? How can I draw a star? How long is five seconds? Come and find out! How? By choosing one of the 50 simple activities in Janic
Presents 101 experiments relating to physics using materials readily available around the house.
How long is the world's longest earthworm? How tall was a brachiosaurus? What's the average diameter of human hair? What's the circumference of the earth at the
Presents 101 simple math problems and experiments intended to introduce basic mathematical principles
The author's hands-on science books for kids ages 8 through 12 have set a new standard in science activity books. Children, parents, and teachers have come to l
