Christie - The science center probably has the most interesting and varied activities of all the centers. Pretty much anything kids can experiment with or observe can go in this center. Here are some suggestions:
Anything optical - optical illusions, fiber optics, pinhole glasses and cameras, defraction glasses, 3-D glasses, magnifying glasses, kaleidescopes, etc.
Things to put in test tubes - insta-snow powder, colored sand, waterproof sand, water gel, coloring tablets and food coloring, crystals and beads, bubble solution, putty solution, slime goo and activator, gravity goo powder, baking soda, vinegar, etc.
Microscope slides, eyedroppers, tweezers, vials of safe chemicals, and things to look at up close.
A box with all kinds of small objects, which your students can put in bottles with sand, rice, beads, or blue-colored water and mineral oil.
Whipping cream and salt to make butter.
Plaster of Paris to make "fossils" of objects.
Thermometers, barometers, and sundials.
Magnets and anything magnetic.
Scented oils and flacons to smell and mix scents.
Ingredients for making lip balm - sunflower oil, beeswax, shea butter, scented oils (for smell), honey or flavor oils (for flavor), and lipstick (for color). You would need to supervise this activity, since it requires melting the wax and stirring in the ingredients.
Potting soil, seeds, plants, gardening gloves, rakes, spades, and small watering cans.
Different animal habitats to observe - ant farm, ladybug habitat, beetle habitat, grasshopper or cricket habitat, hermit crab habitat, earthworm greenhouse, butterfly garden, frog pond, salamander or lizard aquarium, fish aquarium, sea monkey aquarium, small mammal cage, or bird cage.
Almost anything goes when it comes to science, because you can try out so many different things using the same materials, and children never tire of it. Their curiosity and creativity are endless. Even better, you can broaden the activities forever by adding all kinds of new materials.
You can find materials, ready-made kits, recipes, and ideas online. Also, I have a few more ideas in my post "Learning Centers, Part 3: A Learning Carnival in Your Classroom."
Thanks for reading and for requesting more information. I'm always happy to help!
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