Physical Science Learning Center Activities
Some sample activities for science centers that allow children to gain an understanding of physical science include liquids, bubbles, float and sink, movement, and magnets.
Two important concepts that children can learn relating to liquids are that (1) liquids have different properties that can be described and (2) liquids take the shape of the container they are in. To help children explore liquids, teachers might provide pictures or written task cards and materials so that children can do the following:
- Drop (dish soap, oil, honey, water, corn syrup, and vinegar) onto paper towels or coffee filters to examine the absorbency of different liquids.
- Drop a liquid onto different materials (cloth, newspaper, waxed paper, aluminum foil, construction paper) to see the absorbency of different surfaces.
- Look at the drops with a magnifying glass.
- Make the largest drop possible (children can use straws, basters, and eyedroppers).
- Make the smallest possible drop that can still be seen, using toothpicks.
- Add water to the different liquids to see what happens. Will the water mix with the other liquid?
- Drop color into the different kinds of liquids.
- Put water and oil in a bottle to examine density (vegetable oil floats because it is less dense than water; corn syrup sinks because it is more dense than water). Will the other liquids float or sink? What will happen if colored salt water is added to plain water?
- Classify several different kinds of liquids in jars by fluidity (i.e., how easy the substance flows).
- Discuss the characteristics of a liquid.
- Sort objects by whether they are a liquid or solid.
A bubble is a film of liquid surrounding a gas or air pocket. Two concepts that children can learn about bubbles are that (1) bubbles have air inside them and (2) air takes up space. Some bubble activities that children could complete in the science center to help them understand these concepts include the following:
- Divide objects into things that will make bubbles and things that will not make bubbles. Provide a variety of objects that might be used to make bubbles such as strawberry baskets, slotted spoons, sieves, funnels, wire bent into a closed circle, and wire bent into an open circle. Also provide laminated sorting sheets labeled with pictures and words for children to use in sorting the objects into those that will make bubbles and those that will not.
- Hold up the bubbles to the light to determine what colors can be seen.
- Make a pile of bubbles by using a straw to blow into the bubble mixture. Task cards might ask children to see what shapes are in the bubbles and to look at just one of the bubbles to see how many flat sides there are.
- Experiment to find out if different types of objects produce different shapes of bubbles (provide a variety of objects with holes in them such as sieves, square bubble blowers, tea strainers, funnels, and strawberry baskets).
- Create a bubble maker (provide wire, straws, string).
- Experiment with different bubble solutions (using different types of detergent, adding sugar to the bubble solution, adding glycerin to the bubble solution, adding white corn syrup to the bubble solution) to determine which makes the longest lasting bubble.
You will want to encourage children to record their experiments and write or draw what they did, dictate their findings to an adult, or share their finding at circle time.
© ______ 2010, Merrill, an imprint of Pearson Education Inc. Used by permission. All rights reserved. The reproduction, duplication, or distribution of this material by any means including but not limited to email and blogs is strictly prohibited without the explicit permission of the publisher.
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