Discovering Science at Home ... page 2

• Play with water.
  Plain old H2O offers unlimited opportunities for discovery and introduces the concepts of density, volume, and cause and effect. In glass jars filled with water, let kids test different objects to see what dissolves, floats, or sinks. Try "painting" with water to encourage a discussion about evaporation. Or show your child why oil and water don't mix: Combine equal parts water (dyed blue with food coloring) and vegetable oil (dyed yellow) in a half-liter plastic bottle. When shaken, the colors will momentarily blend to create green before slowly dispersing to their separate sides.

• Share the cooking.
  When we cook, transformations happen right before our eyes. Adding yeast to water, mixing in cornstarch to thicken something, or simply stirring in food coloring are catalysts likely to stimulate surprise, commentary, and questions. Structure cooking sessions like real science experiments so your child can predict, test, observe, compare, and reach conclusions. Using a wall chart to record each step of the process will help your child see connections, form a hypothesis, and draw a conclusion — plus give you a window to his thought processes.

• Involve the senses.
  Gather items that have interesting smells and textures — citrus fruits, cocoa, coffee beans, leaves, feathers, scented soap — and ask your child to identify each by just using her hands and nose. Explore sounds using a stethoscope or a glass to the wall. Take turns recording different sounds and guessing what they are. Encourage your child's discovery by asking questions — for example, What sounds need to be amplified for us to hear them? How many different sounds can you identify in our home? How many in just one room?

Sharing science with kids encourages them to take their inquiries seriously and to seek out answers. With a bit of structure and a few tools, you can open the door to an exciting laboratory where your little scientist can explore and find the answers to questions that truly interest her. And just watch where these investigations lead — you'll see your child organize ideas in new and varied ways as her problem-solving skills become more sophisticated.

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