Janice VanCleave's Machines: Mind-boggling Experiments You Can Turn Into Science Fair Projects. Cet article n’est pas disponible.Janice VanCleave's Machines: Mind-boggling Experiments You Can Turn Into Science Fair Projects

Each book in this series features 20 science projects that children can complete using everyday materials found around the house. This particular text encourages children to discover how levers, pulleys, wedges, windmills, gears and other machines can be used to move and lift objects.

How is your forearm like a lever?

• What makes it easy to pull a flag up a flagpole?
• How can a windmill help to do work?

Janice VanCleave′s Machines includes 20 simple and fun experiments that allow you to discover the answers to these and many other questions, plus dozens of additional suggestions on how to develop your own science fair project.

Learn how an elevator works using a box, string, a paper cup, and some coins; build a bubble machine with cardboard boxes, Styrofoam, and wire; and much more. All experiments use inexpensive materials and involve a minimum of preparation and clean up.

Children ages 8–12

Also available in the Spectacular Science Projects Series:

• Janice VanCleave′s Animals
• Janice VanCleave′s Earthquakes
• Janice VanCleave′s Electricity
• Janice VanCleave′s Gravity
• Janice VanCleave′s Magnets
• Janice VanCleave′s Molecules
• Janice VanCleave′s Microscopes and Magnifying Lenses
• Janice VanCleave′s Volcanoes
• Janice VanCleave′s Weather